diff --git a/dev/test_mb_2023_4_mux_2023.py b/dev/test_mb_2023_4_mux_2023.py
index 69b292e43b3fc8be7c1d96a9d83dc52c6b5be31e..59bc6377a5bcf59a70dcdb99595c657af5320239 100644
--- a/dev/test_mb_2023_4_mux_2023.py
+++ b/dev/test_mb_2023_4_mux_2023.py
@@ -84,9 +84,10 @@ if within_ohmpi:
 
     print('Starting test with OhmPi.')
     k = OhmPi()
-    k.get_data()
-    # k.load_sequence(os.path.join(os.path.dirname(__file__), '../sequences/test_circuit_1423.txt'))
-    # k.reset_mux()
+    # k.get_data()
+    k.load_sequence(os.path.join(os.path.dirname(__file__), '../sequences/test_circuit_1423.txt'))
+    k.reset_mux()
+    k.run_multiple_sequences(sequence_delay=20, nb_meas=3)
     # k.run_sequence(injection_duration=0.2)
     # k.rs_check(tx_volt=4)
     # k.test_mux(mux_id=None, activation_time=0.2)
diff --git a/index-mqtt.html b/index-mqtt.html
deleted file mode 100755
index 69aa13d99bd8a22468805e6ef53fdb85b46ab972..0000000000000000000000000000000000000000
--- a/index-mqtt.html
+++ /dev/null
@@ -1,780 +0,0 @@
-<!DOCTYPE html>
-<!-- debugging instruction to see the messages passing on the RPi
-mosquitto_sub -h raspberrypi.local -t ohmpi_0001/ctrl
--->
-<html>
-<head>
-    <meta charset="utf8"/>
-    <title>OhmPi Acquisition Board</title>
-    <link rel="shortcut icon" type="image/jpg" href="logo_ohmpi.jpg"/>
-    
-    <!-- dependencies (need to be local as no internet in AP mode)-->
-    <script src="js/plotly-2.26.0.min.js"></script>
-    <script src="js/jquery-3.4.1.min.js"></script>
-    <link type="text/css" href="css/bootstrap.min.css" rel="stylesheet">
-	<!-- <script src="https://code.jquery.com/jquery-3.4.1.min.js"></script> -->
-	<!-- <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-eOJMYsd53ii+scO/bJGFsiCZc+5NDVN2yr8+0RDqr0Ql0h+rP48ckxlpbzKgwra6" crossorigin="anonymous"> -->
-    <!-- <script src="js/danfojs/bundle.min.js"></script> -->
-    <!-- <script src="js/mqtt.min.js"></script> -->
-    <script src="js/paho/paho-mqtt.js"></script>
-</head>
-<body>
-    <div class='container'>
-        <h1>OhmPi Acquisition Board</h1>
-        <!-- nb stacks, on-time -->
-        <button id="update_settingsBtn" type="button" class="btn btn-secondary" data-toggle="modal" data-target="#exampleModal">Settings</button>
-        <button id='runBtn' type="button" class="btn btn-primary">&#9654</button>
-        <button id='stopBtn' type="button" class="btn btn-warning">&#9724</button>
-        <!-- upload button for csv which display the table ABMN -->
-        <button id="removeDataBtn" type="button" class="btn btn-danger">Clear data</button>
-        <button id="getDataBtn" type="button" class="btn btn-info">Get data</button>
-        <div class="form-check">
-            <input id="dataRetrievalCheck" class="form-check-input" type="checkbox" value="">
-            <label class="form-check-label" for="dataRetrievalCheck">
-                Automaticaly get data every 1 secondStart
-            </label>
-        </div>
-        <div id='output'>Status: idle</div>
-        
-        <!-- Pseudo section -->
-        <select id='surveySelect' class='custom-select'>
-        </select>
-        <input id="cmin" type="number" value="0"/>
-        <input id="cmax" type="number" value="150"/>
-        <button id="capplyBtn" type="button" class="btn btn-info">Apply</button>
-        <div id="gd"></div>
-        
-        <!-- trace figure -->
-        <div class="mb3 row">
-            <label for="quadSelect">Quadrupole:</label>
-            <div class="col-sm-10">
-                <select id='quadSelect' class='custom-select'></select>    
-            </div>
-        </div>
-        <button id="addTraceBtn" type="button" class="btn btn-info">Add trace</button>
-        <button id="removeTracesBtn" type="button" class="btn btn-info">Remove all traces</button>    
-        <div id="ts"></div>
-        
-        <!-- RS check -->
-        <button id="rsBtn" type="button" class="btn btn-info">Check contact resistance</button>
-        <button id="rsClearBtn" type="button" class="btn btn-info">Clear plot</button>
-        <div id="rs"></div>
-        
-        <!-- Inversion plot -->
-        <select id="surveySelectInv" class='custom-select'>
-        </select>
-        <button id="invertBtn" type="button" class="btn btn-info">Run inversion</button>
-        <input id="cminInv" type="number" value="0"/>
-        <input id="cmaxInv" type="number" value="150"/>
-        <button id="capplyBtnInv" type="button" class="btn btn-info">Apply</button>
-        <div id="inv"></div>
-        
-        <!-- Additional buttons -->
-        <button id="downloadBtn" type="button" class="btn btn-primary">Download data</button>
-        <a id="download"></a>
-        
-        <button id="restartBtn" type="button" class="btn btn-danger">Restart</button>
-        <button id="shutdownBtn" type="button" class="btn btn-danger">Shutdown</button>
-
-        <!-- Modal for configuration -->
-        <div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
-            <div class="modal-dialog" role="document">
-            <div class="modal-content">
-                <div class="modal-header">
-                <h5 class="modal-title" id="exampleModalLabel">OhmPi configuration</h5>
-                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
-                    <span aria-hidden="true">&times;</span>
-                </button>
-                </div>
-                <div class="modal-body">
-                    <form>
-                        <div class="form-group row">
-                          <label for="nbElectrodes" class="col-sm-2 col-form-label">Nb electrodes</label>
-                          <div class="col-sm-10">
-                            <input type="number" class="form-control-number" id="nbElectrodes" value="64">
-                          </div>
-                        </div>
-                        <div class="form-group row">
-                            <label for="injectionDuration" class="col-sm-2 col-form-label">Injection duration [s]</label>
-                            <div class="col-sm-10">
-                              <input type="number" class="form-control-number" id="injectionDuration" value="0.2">
-                            </div>
-                          </div>
-                          <div class="form-group row">
-                            <label for="nbMeasurements" class="col-sm-2 col-form-label">Nb Measurements</label>
-                            <div class="col-sm-10">
-                              <input type="number" class="form-control-number" id="nbMeasurements" value="1">
-                            </div>
-                          </div>
-                          <div class="form-group row">
-                            <label for="sequenceDelay" class="col-sm-2 col-form-label">Sequence delay [s]</label>
-                            <div class="col-sm-10">
-                              <input type="number" class="form-control-number" id="sequenceDelay" value="100">
-                            </div>
-                          </div>
-                          <div class="form-group row">
-                            <label for="nbStack" class="col-sm-2 col-form-label">Nb stack</label>
-                            <div class="col-sm-10">
-                              <input type="number" class="form-control-number" id="nbStack" value="1">
-                            </div>
-                          </div>
-                          <div class="form-group row">
-                            <label for="sequence" class="col-sm-2 col-form-label">Sequence</label>
-                            <div class="col-sm-10">
-                              <input type="file" class="form-control" id="sequence">
-                            </div>
-                          </div>
-                          <div class="form-group row">
-                            <label for="elecSpacing" class="col-sm-2 col-form-label">Electrode spacing [m]</label>
-                            <div class="col-sm-10">
-                              <input type="number" class="form-control" id="elecSpacing", value="1">
-                            </div>
-                          </div>
-                      </form>
-                </div>
-                <div class="modal-footer">
-                <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
-                <button id="saveConfigBtn" type="button" data-dismiss="modal" class="btn btn-primary">Save</button>
-                </div>
-            </div>
-            </div>
-        </div>
-        <footer>v0.3.0</footer>
-    </div>
-
-    <script type="text/javascript">
-        //let serverUrl = 'http://10.3.141.1:8080'
-        //let serverUrl = 'http://0.0.0.0:8080'
-        //let serverUrl = 'http://localhost:8080'
-        let serverUrl = 'http://' + window.location.host
-        console.log('serverUrl =', serverUrl)
-        let output = document.getElementById('output')
-        let data = {} // hold data of all surveys
-        let interv = null // hold interval for automatic data retrieval
-        let quads = [] // available quadrupoles for time-serie figure
-        let squads = [] // selected quadrupoles for time-serie figure
-        let commands = {} // store commands and their id
-        let callbacks = {} // store callback (might not be needed)
-        let invertedData = [{
-            rho: [[10, 10.625, 12.5, 15.625, 20],
-                    [5.625, 6.25, 8.125, 11.25, 15.625],
-                    [2.5, 3.125, 5., 8.125, 12.5],
-                    [0.625, 1.25, 3.125, 6.25, 10.625],
-                    [0, 0.625, 2.5, 5.625, 10]],
-            x: [-9, -6, -5 , -3, -1],
-            y: [0, 1, 4, 5, 7],
-        }] // store inverted data
-
-        // function with MQTT
-        let topic = 'ohmpi_0001' // we could change this through a drop-down to connect to a different ohmpi
-        let topic_ctrl = topic + '/ctrl'
-        let topic_exec = topic + '/exec'
-        let topic_data = topic + '/data'
-        let hostname = location.hostname
-        let port = 9001
-        let clientId = 'ohmpi_0001_html'
-        let message = null
-        let msg = ''
-        let userName = 'jkl'  // can be ask to the user
-        let password = 'jkl'
-
-        // create client
-        client = new Paho.MQTT.Client(hostname, port, clientId)
-        client.onConnectionLost = onConnectionLost
-        client.onMessageArrived = onMessageArrived
-        client.connect({onSuccess: onConnect})
-//        client.connect({userName: username, password: password, onSuccess:onConnect})
-
-        function onConnect() {
-            console.log("onConnect")
-            client.subscribe(topic_data)
-            client.subscribe(topic_exec)
-
-            // send welcome message
-            message = new Paho.MQTT.Message("Hello from index.html")
-            message.destinationName = topic_ctrl
-            client.send(message)
-        }
-
-        function onConnectionLost(responseObject) {
-            if (responseObject.errorCode !== 0)
-                console.log("onConnectionLost:" + responseObject.errorMessage)
-        }
-        
-        function onMessageArrived(message) {
-            console.log("onMessageArrived:" + message.payloadString)
-            try {
-                let payload = message.payloadString
-                if (message.topic == topic_data) {
-                    // process data
-                    msg = payload // for accessing the variable from the console
-                    console.log('DATA', payload)
-                    let ddic = JSON.parse(payload.split('INFO:')[1])
-
-                    // check cmd_id is any
-                    processMessage(ddic)
-
-                    // usually these don't have a cmd_id so we are not sure when
-
-                } else if (message.topic == topic_exec) {
-                    // display it in the log
-                    console.log('EXEC LOG:', payload)
-                }
-
-                // let response = JSON.parse(message.payloadString)
-                // console.log('response=', response)
-                // // check ID of message against our dictionnary of callback
-                // let cmd_id = response['cmd_id']
-                // if (callbacks.hasOwnProperty(cmd_id)) {
-                //     console.log('++ execute callback')
-                //     callbacks[cmd_id](response['content']) // execute callback
-                // }
-            } catch (e) {
-                console.log(e)
-            }
-            // client.disconnect()
-        }
-        
-        // useful functions
-        function generateUniqSerial() {  
-            return 'xxxx-xxxx-xxx-xxxx'.replace(/[x]/g, (c) => {  
-                const r = Math.floor(Math.random() * 16);  
-                return r.toString(16);  
-            });  
-        }
-
-        // sending commands to the OhmPi
-        function sendCommand(query, callback=null) {
-            // dic in the form: {'cmd': X, ...} as JSON
-            if (callback == null) {
-                function callback(x) {
-                    console.log('default callback:', x)
-                }
-            }
-            
-            /*
-            let xhr = new XMLHttpRequest();
-            xhr.onreadystatechange = function() {
-                if (this.readyState == 4) {
-                    if (xhr.status == 200) {
-                        callback(JSON.parse(xhr.response))
-                    }
-                }
-            }
-            xhr.open('POST', serverUrl)
-            xhr.setRequestHeader('Content-Type', 'application/json')
-            xhr.send(query)
-            */
-            
-            // generate a unique command id to be associated with the commands
-            let uuid = generateUniqSerial()
-            commands[uuid] = query
-            callbacks[uuid] = callback // store the callback to be processed later when message arrives
-            let payload = '{"cmd_id": "' + uuid + '",' + query.slice(1)
-            console.log('sendCommand()', payload)
-            message = new Paho.MQTT.Message(payload)
-            message.destinationName = topic_ctrl
-            client.send(message)            
-        }
-
-        // run button
-        function runBtnFunc() {
-            sendCommand('{"cmd": "run_multiple_sequences"}', function(x) {
-                console.log(x['status'])
-                if (x['status'] == 'running') {
-                    output.innerHTML = 'Status: measuring...'
-                }
-            })
-        }
-        let runBtn = document.getElementById('runBtn')
-        runBtn.addEventListener('click', runBtnFunc)
-
-        // interrupt button
-        function stopBtnFunc() {
-            sendCommand('{"cmd": "interrupt"}', function(x) {
-                output.innerHTML = 'Status: ' + x['status']
-                clearInterval(interv)
-                getData()
-            })
-        }
-        let stopBtn = document.getElementById('stopBtn')
-        stopBtn.addEventListener('click', stopBtnFunc)
-
-        // set configuration
-        function saveConfigBtnFunc() {
-            // collect values from modal
-            let formVals = {}
-            for (let field of ['nbElectrodes', 'injectionDuration',
-             'nbMeasurements', 'sequenceDelay', 'nbStack']) {
-                formVals[field] = document.getElementById(field).value
-            }
-            console.log(formVals)
-            
-            // deal with the potential file containing the sequence
-            // https://stackoverflow.com/questions/19038919/is-it-possible-to-upload-a-text-file-to-input-in-html-js
-            if (!window.FileReader) {
-                alert('Your browser is not supported');
-                return false;
-            }
-            let input = document.getElementById('sequence')
-            if (input.files.length) {
-                const reader = new FileReader()
-                reader.readAsText(input.files[0])
-                reader.addEventListener('load', () => {
-                    // parse the file and make it a list of list of int
-                    var a = reader.result.split(/\r?\n|\r|\n/g)
-                    var seq = new Array()
-                    var eof = false
-                    for (var i = 0; i < a.length; i++) {
-                        b = a[i].split(' ')
-                        var arr = new Array(4)
-                        for (var j = 0; j < b.length; j++) {
-                            val = parseInt(b[j])
-                            if (isNaN(val) == true) {
-                                eof = true
-                                break
-                            }
-                            arr[j] = val
-                        }
-                        if (eof == true) {
-                            break
-                        }
-                        seq.push(arr)
-                    }
-                    formVals['sequence'] = seq
-                    configCallback()
-                }, false)
-            } else {
-                console.log('no sequence uploaded')
-                formVals['sequence'] = ''
-                configCallback()
-            } 
-            
-            // define callback to send settings to Pi
-            function configCallback() {
-                sendCommand(JSON.stringify({
-                    'cmd': 'update_settings',
-                    'kwargs': {
-                        'settings': formVals
-                    }
-                }), function(x) {
-                    console.log('update_settings', x)
-                })
-            }
-            
-        }
-        let saveConfigBtn = document.getElementById('saveConfigBtn')
-        saveConfigBtn.addEventListener('click', saveConfigBtnFunc)
-
-        // make pseudo plot
-        var trace = {
-            x: [],
-            y: [],
-            mode: 'markers',
-            marker: {
-                size: 40,
-                color: [],
-                colorbar: {
-                    title: 'App. res. [Ohm.m]',
-                    cmin: 0,
-                    cmax: 100,
-                }
-            }
-        }
-        let layout = {
-            title: 'Pseudo-section',
-            yaxis: {
-                title: 'Pseudo-depth',
-                autorange: 'reversed'
-            },
-            xaxis: {
-                title: 'X'
-            }
-
-        }
-        Plotly.newPlot('gd', [trace], layout)
-
-        // make time-serie plot
-        let tdata = []
-        let layout2 = {
-            title: 'Time-serie',
-            yaxis: {
-                title: 'App. res. [Ohm.m]'
-            },
-            xaxis: {
-                title: 'Sampling time'
-            }
-        }
-        Plotly.newPlot('ts', tdata, layout2)
-
-        // add trace to time-serie plot
-        function addTraceBtnFunc() {
-            let val = document.getElementById('quadSelect').value
-            squads.push(val.split(', '))
-            tdata.push({
-                x: [],
-                y: [],
-                name: val,
-                type: 'scatter'
-            })
-            Plotly.newPlot('ts', tdata, layout2)
-            getData()
-        }
-        let addTraceBtn = document.getElementById('addTraceBtn')
-        addTraceBtn.addEventListener('click', addTraceBtnFunc)
-
-        // remove all traces from time-serie plot
-        function removeTracesBtnFunc() {
-            squads = []
-            tdata = []            
-            Plotly.newPlot('ts', tdata, layout2)
-        }
-        let removeTracesBtn = document.getElementById('removeTracesBtn')
-        removeTracesBtn.addEventListener('click', removeTracesBtnFunc)
-
-        // callback function to draw the plot
-        function surveySelectFunc(el) {
-            let surveyName = el['target'].value
-            let df = data[surveyName]
-            if (df != undefined) {
-                let a = df['a']
-                let b = df['b']
-                let m = df['m']
-                let n = df['n']
-                // let's assume electrodes are 1 m distance
-                // compute pseudo-depth (assume no topo)
-                // compute app res (assumping flat, line survey)
-                let xpos = []
-                let ypos = []
-                let app = []
-                for (let i = 0; i < a.length; i++) {
-                    let emin = Math.min(...[a[i], b[i], m[i], n[i]])
-                    let emax = Math.max(...[a[i], b[i], m[i], n[i]])
-                    let dist = Math.abs(emax - emin)
-                    xpos.push(emin + dist/2)
-                    ypos.push(Math.sqrt(2)/2 * dist)
-                    // let ab = (a[i] + b[i])/2
-                    // let mn = (m[i] + n[i])/2
-                    // xpos.push(Math.min(ab, mn) + dist/2)
-                    // ypos.push(Math.sqrt(2)/2*dist)
-                    let am = Math.abs(a[i] - m[i])
-                    let bm = Math.abs(b[i] - m[i])
-                    let an = Math.abs(a[i] - n[i])
-                    let bn = Math.abs(a[i] - n[i])
-                    let K = (2*Math.PI)/((1/am)-(1/an)-(1/an)+(1/bn))
-                    app.push(df['rho'][i]*K)
-                }
-                console.log('xpos', xpos)
-                console.log('ypos', ypos)
-                console.log(app)
-                // update the trace and redraw the figure
-                trace['x'] = xpos
-                trace['y'] = ypos
-                trace['marker']['color'] = app
-                trace['marker']['cmax'] = document.getElementById('cmax').value
-                trace['marker']['cmin'] = document.getElementById('cmin').value
-                Plotly.redraw('gd')
-            }
-        }
-        let surveySelect = document.getElementById('surveySelect')
-
-        // bar chart for contact resistance
-        let rsdata = []
-        let rslayout = {
-            title: 'Contact resistances',
-            yaxis: {
-                title: 'Resistance [kOhm]'
-            },
-            xaxis: {
-                title: 'Consecutive electrodes'
-            }
-        }
-        Plotly.newPlot('rs', rsdata, rslayout)
-        
-        // run RS check
-        function rsBtnFunc() {
-            sendCommand('{"cmd": "rs_check"}', function (res) {
-                // update the bar plot
-                rsdata.push({
-                x: res['data']['AB'],
-                y: res['data']['res'],
-                name: 'RS',
-                type: 'bar'
-                })
-                Plotly.redraw('rs')
-            })
-        }
-        let rsBtn = document.getElementById('rsBtn')
-        rsBtn.addEventListener('click', rsBtnFunc)
-        
-        // clear RS graph
-        function rsClearBtnFunc() {
-            rsdata = []
-            Plotly.newPlot('rs', rsdata, rslayout)
-        }
-        let rsClearBtn = document.getElementById('rsClearBtn')
-        rsClearBtn.addEventListener('click', rsClearBtnFunc)
-        
-        // getData
-        function getData() {
-            sendCommand(JSON.stringify({
-                'cmd': 'get_data',
-                'survey_names': Object.keys(data).slice(0, -1)
-                // last survey is often partial so we download it again
-            }), console.log('processData(ddic)')
-            )
-        }
-
-        // processMessage
-        function processMessage(ddic) {
-            //if (('status' in ddic) | ('data' in ddic)) {
-            if (ddic.constructor == Object) {  // it's a dictionnary
-                // acquisition related
-                processData(ddic)
-            } else {
-                // inversion related
-                invertedData = ddic
-                showInvFunc()
-            }
-        }
-
-        // processData
-        function processData(ddic) {
-            // update status
-            output.innerHTML = 'Status: ' + ddic['status']
-
-            // update data dic with new data
-            data = { // destructuring assignement (magic! :o)
-                ...data,
-                ...ddic['data'] // value from second dic are preferred
-            }
-            
-            // dropdown with number of surveys and +++
-            let surveyNames = Object.keys(data).sort()
-
-            // remove listener as we will replace the choices
-            surveySelect.removeEventListener('change', surveySelectFunc)
-            surveySelect.innerHTML = ''  // clearing all child nodes
-
-            // add choices again
-            for (let surveyName of surveyNames) {
-                let option = document.createElement('option')
-                option.innerText = surveyName
-                option.value = surveyName
-                surveySelect.appendChild(option)
-            }
-
-            // listener again
-            surveySelect.addEventListener('change', surveySelectFunc)
-            
-            // plot last one by default
-            surveySelect.value = surveyNames[surveyNames.length - 1]
-            
-            // call the function directly
-            // (as progammatically chaging the value does not trigger the event)
-            surveySelectFunc({'target': surveySelect})
-
-            // update list of survey for inversion
-            surveySelectInv.removeEventListener('change', showInvFunc)
-            surveySelectInv.innerHTML = ''  // clearing all child nodes
-            for (let surveyName of surveyNames) {
-                let option = document.createElement('option')
-                option.innerText = surveyName
-                option.value = surveyName
-                surveySelectInv.appendChild(option)
-            }
-            surveySelectInv.addEventListener('change', showInvFunc)
-            surveySelectInv.value = surveyNames[surveyNames.length - 1]
-            
-
-            // update list of quadrupoles if any
-            if (quads.length == 0) {
-                console.log('updating list of quadrupoles')
-                let df = data[surveyNames[0]]
-                let quadSelect = document.getElementById('quadSelect')
-                quadSelect.innerHTML = ''
-                for (let i = 0; i < df['a'].length; i++) {
-                    quad = [df['a'][i], df['b'][i], df['m'][i], df['n'][i]]
-                    quads.push(quad)
-                    let option = document.createElement('option')
-                    option.value = quad.join(', ')
-                    option.innerText = quad.join(', ')
-                    quadSelect.appendChild(option)
-                }
-                console.log('quads=', quads)
-            }
-
-            // update time-serie figure
-            if (squads.length > 0) {
-
-                // transform all surveyNames to datetime
-                let xt = []
-                for (surveyName of surveyNames) {
-                    let a = surveyName.split('_').slice(-1)[0]
-                    xt.push(a.slice(0, 4) + '-' 
-                        + a.slice(4, 6) + '-' 
-                        + a.slice(6, 8) + ' '
-                        + a.slice(9, 11) + ':'
-                        + a.slice(11, 13) + ':'
-                        + a.slice(13, 15))
-                }
-                //console.log(xt)
-
-                // create one new trace per selected quadrupole
-                for (let k = 0; k < squads.length; k++) {
-                    squad = squads[k]
-                    let x = []
-                    let y = []
-                    for (let i = 0; i < surveyNames.length; i++) {
-                        df = data[surveyNames[i]]
-                        for (let j = 0; j < df['a'].length; j++) {
-                            if (df['a'][j] == squad[0]
-                            && df['b'][j] == squad[1]
-                            && df['m'][j] == squad[2]
-                            && df['n'][j] == squad[3]) {
-                                y.push(df['rho'][j])
-                                x.push(xt[i])
-                                break
-                            }
-                        }
-                    }
-
-                    // update trace dictionnary
-                    tdata[k]['x'] = x
-                    tdata[k]['y'] = y
-                }
-                //console.log(tdata)
-                Plotly.redraw('ts')
-            }
-        }
-
-        let getDataBtn = document.getElementById('getDataBtn')
-        getDataBtn.addEventListener('click', getData)
-        
-        // apply new colorscale
-        let capplyBtn = document.getElementById('capplyBtn')
-        capplyBtn.addEventListener('click', function() {
-            surveySelectFunc({'target': surveySelect})
-        })
-        
-        // plot inverted data
-        function showInvFunc() {
-            let cmin = document.getElementById('cminInv').value
-            let cmax = document.getElementById('cmaxInv').value
-            
-            var invData = [{
-                z: invertedData[0]['rho'],
-                x: invertedData[0]['x'],
-                y: invertedData[0]['z'],
-                type: 'contour',
-                colorscale: 'Viridis',
-                autocontour: true, // set to false if cmin is given
-                contours: {
-                    start: cmin,
-                    end: cmax,
-                    size: 10
-                },
-            }]
-
-            var invLayout = {
-                title: 'Inverted section',
-                yaxis: {
-                    title: 'Z [m]',
-                },
-                xaxis: {
-                    title: 'X [m]'
-                }   
-            }
-            
-            Plotly.newPlot('inv', invData, invLayout)
-            var btn = document.getElementById('invertBtn')
-            btn.innerText = 'Run inversion'
-            btn.className = 'btn btn-info'
-
-        }
-        showInvFunc()
-
-        // invert data
-        function invertBtnFunc() {
-            let survey_name = document.getElementById('surveySelectInv').value
-            var btn = document.getElementById('invertBtn')
-            btn.innerText = 'Inverting...'
-            btn.className = 'btn btn-warning'
-            sendCommand(JSON.stringify({
-                    'cmd': 'run_inversion',
-                    'kwargs': {
-                        'survey_names': [survey_name + '.csv']
-                    }
-                }), function(x) {
-                    console.log('inversion results', x)
-            })
-        }
-        let invertBtn = document.getElementById('invertBtn')
-        invertBtn.addEventListener('click', invertBtnFunc)
-
-        // apply new colorscale for inversion
-        let capplyBtnInv = document.getElementById('capplyBtnInv')
-        capplyBtnInv.addEventListener('click', function() {
-            showInvFunc()
-        })
-
-        // checkbox interaction for data download
-        function dataRetrievalCheckFunc(x) {
-            if (x['target'].checked == true) {
-                interv = setInterval(getData, 1000) // every 5s
-            } else {
-                clearInterval(interv)
-            }             
-        }
-        let dataRetrievalCheck = document.getElementById('dataRetrievalCheck')
-        dataRetrievalCheck.addEventListener('change', dataRetrievalCheckFunc)
-
-        // remove data
-        function removeDataBtnFunc() {
-            sendCommand('{"cmd": "remove_data"}',function(x) {
-                data = {}
-                output.innerHTML = 'Status: ' + x['status'] + ' (all data cleared)'
-                console.log('all data removed')
-            })
-        }
-        let removeDataBtn = document.getElementById('removeDataBtn')
-        removeDataBtn.addEventListener('click', removeDataBtnFunc)
-
-        // shutdown Pi
-        function shutdownBtnFunc() {
-            sendCommand('{"cmd": "shutdown"}', function(x) {
-                console.log('shuting down...')
-            })
-        }
-        let shutdownBtn = document.getElementById('shutdownBtn')
-        shutdownBtn.addEventListener('click', shutdownBtnFunc)
-        
-        // restart Pi
-        function restartBtnFunc() {
-            sendCommand('{"cmd": "restart"}', function(x) {
-                console.log('rebooting...')
-            })
-        }
-        let restartBtn = document.getElementById('restartBtn')
-        restartBtn.addEventListener('click', restartBtnFunc)
-        
-        // download data
-        function downloadBtnFunc() {
-            sendCommand('{"cmd": "download"}', function(x) {
-                let dwl = document.getElementById('download')
-                dwl.setAttribute('href', serverUrl + '/data.zip')
-                dwl.setAttribute('download', 'data.zip')
-                dwl.click()
-            })
-        }
-        let downloadBtn = document.getElementById('downloadBtn')
-        downloadBtn.addEventListener('click', downloadBtnFunc)
-
-
-    </script>
-    
-    <!-- Boostrap scripts (at the end of the page for faster loading time)-->
-	<script src="js/bootstrap.bundle.min.js"></script>
-    <!-- <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta3/dist/js/bootstrap.bundle.min.js" integrity="sha384-JEW9xMcG8R+pH31jmWH6WWP0WintQrMb4s7ZOdauHnUtxwoG2vI5DkLtS3qm9Ekf" crossorigin="anonymous"></script> -->
-</body>
-</html>
diff --git a/ohmpi/ohmpi.py b/ohmpi/ohmpi.py
index 8ed824d24872b40a18335aa322db9836250bc3f7..8672af17d813b69c0a7c31889c6f8f33b8bad0b7 100644
--- a/ohmpi/ohmpi.py
+++ b/ohmpi/ohmpi.py
@@ -500,7 +500,7 @@ class OhmPi(object):
         bypass_check = kwargs['bypass_check'] if 'bypass_check' in kwargs.keys() else False
         d = {}
         if self.switch_mux_on(quad, bypass_check=bypass_check, cmd_id=cmd_id):
-            tx_volt,_ ,_ = self._hw._compute_tx_volt(tx_volt=tx_volt, strategy=strategy)
+            #tx_volt,_ ,_ = self._hw._compute_tx_volt(tx_volt=tx_volt, strategy=strategy)
             self._hw.vab_square_wave(tx_volt, cycle_duration=injection_duration*2/duty_cycle, cycles=nb_stack, duty_cycle=duty_cycle)
             if 'delay' in kwargs.keys():
                 delay = kwargs['delay']
diff --git a/sequences/test_circuit_1423.txt b/sequences/test_circuit_1423.txt
index 691d10eff3a18e8e8d92ec28d9a5aec2753f7d18..397bb332d915a5785e0f5b4f884ba5deaa584623 100644
--- a/sequences/test_circuit_1423.txt
+++ b/sequences/test_circuit_1423.txt
@@ -2,12 +2,4 @@
 2 5 3 4
 3 6 4 5
 4 7 5 6
-5 8 6 7
-6 9 7 8
-7 10 8 9
-8 11 9 10
-9 12 10 11
-10 13 11 12
-11 14 12 13
-12 15 13 14
-13 16 14 15
+