diff --git a/configs/config_mb_2023_4_mux_2023.py b/configs/config_mb_2023_4_mux_2023.py
index dbfe0b8f20ce1e846e41e0cd67170ecae8a5d776..fa30ccaadc748d016cd2307bff9678217e04259d 100644
--- a/configs/config_mb_2023_4_mux_2023.py
+++ b/configs/config_mb_2023_4_mux_2023.py
@@ -70,7 +70,7 @@ HARDWARE_CONFIG = {
 # SET THE LOGGING LEVELS, MQTT BROKERS AND MQTT OPTIONS ACCORDING TO YOUR NEEDS
 # Execution logging configuration
 EXEC_LOGGING_CONFIG = {
-    'logging_level': logging.DEBUG,  # TODO: set logging level back to INFO
+    'logging_level': logging.INFO,  # TODO: set logging level back to INFO
     'log_file_logging_level': logging.DEBUG,
     'logging_to_console': True,
     'file_name': f'exec{logging_suffix}.log',
diff --git a/dev/test_mb_2023_3_mux_2024.py b/dev/test_mb_2023_3_mux_2024.py
index 7851dff3cfc86546e4ce88a18db79ea2e27f74bd..b155833ce6314dcf398f9cf7c41e230cfac3dbce 100644
--- a/dev/test_mb_2023_3_mux_2024.py
+++ b/dev/test_mb_2023_3_mux_2024.py
@@ -68,7 +68,7 @@ if within_ohmpi:
     d = k.run_measurement([A, B, M, N], injection_duration=1., nb_stack=2, duty_cycle=0.5)
     print(d)
     #k._hw._plot_readings()
-    print(f'OhmPiHardware: Resistance: {k._hw.last_rho :.2f} ohm, dev. {k._hw.last_dev:.2f} %, sp: {k._hw.sp:.2f} mV, rx bias: {k._hw.rx._bias:.2f} mV')
+    #print(f'OhmPiHardware: Resistance: {k._hw.last_rho :.2f} ohm, dev. {k._hw.last_dev:.2f} %, sp: {k._hw.sp:.2f} mV, rx bias: {k._hw.rx._bias:.2f} mV')
     print(f'OhmPi: Resistance: {d["R [ohm]"] :.2f} ohm, dev. {d["R_std [%]"]:.2f} %, rx bias: {k._hw.rx._bias:.2f} mV')
     k._hw._plot_readings(save_fig=False)
     # plot_exec_log('ohmpi/logs/exec.log')
diff --git a/dev/test_mb_2023_4_mux_2023.py b/dev/test_mb_2023_4_mux_2023.py
index 057c3bba07d4d45f84e97a62dc0d20cf49f3c13a..b9698bd27b3e96c7354155c5feaa59e19574e97f 100644
--- a/dev/test_mb_2023_4_mux_2023.py
+++ b/dev/test_mb_2023_4_mux_2023.py
@@ -1,5 +1,6 @@
 import matplotlib
 matplotlib.use('TkAgg')
+import matplotlib.pyplot as plt
 from ohmpi.utils import change_config
 change_config('../configs/config_mb_2023_4_mux_2023.py', verbose=False)
 import importlib
@@ -7,6 +8,7 @@ import os
 import time
 import logging
 from ohmpi.config import HARDWARE_CONFIG
+import pandas as pd
 
 stand_alone = False
 part_of_hardware_system = False
@@ -82,7 +84,7 @@ if within_ohmpi:
 
     print('Starting test with OhmPi.')
     k = OhmPi()
-    k.load_sequence(os.path.join(os.path.dirname(__file__), '../sequences/01_GRAD_8_s4_a4.txt'))
+    # k.load_sequence(os.path.join(os.path.dirname(__file__), '../sequences/test_circuit_1423.txt'))
     k.reset_mux()
     # k.test_mux(mux_id=None, activation_time=0.2)
     # k._hw.switch_mux([A, B, M, N], state='on')
@@ -97,12 +99,20 @@ if within_ohmpi:
     # k._hw.switch_mux([A, B, M, N], state='off')
     # print(f'OhmPiHardware Resistance: {k._hw.last_rho :.2f} ohm, dev. {k._hw.last_dev:.2f} %, rx bias: {k._hw.rx._bias:.2f} mV')
     # k._hw._plot_readings()
+    A, B, M, N = (16, 13, 15, 14)
     A, B, M, N = (1, 4, 2, 3)
-    d = k.run_measurement([A, B, M, N], injection_duration=2., nb_stack=2, duty_cycle=0.5)
+    d = k.run_measurement([A, B, M, N], injection_duration=0.5, nb_stack=2, duty_cycle=0.5)
     print(d)
-    # k._hw._plot_readings()
-    print(f'OhmPiHardware: Resistance: {k._hw.last_resistance() :.2f} ohm, dev. {k._hw.last_dev():.2f} %, sp: {k._hw.sp:.2f} mV, rx bias: {k._hw.rx._bias:.2f} mV')
-    print(f'OhmPi: Resistance: {d["R [ohm]"] :.2f} ohm, dev. {d["R_std [%]"]:.2f} %, rx bias: {k._hw.rx._bias:.2f} mV')
-    k._hw._plot_readings(save_fig=False)
+    k._hw._plot_readings()
+    # print(f'OhmPiHardware: Resistance: {k._hw.last_resistance() :.2f} ohm, dev. {k._hw.last_dev():.2f} %, sp: {k._hw.sp:.2f} mV, rx bias: {k._hw.rx._bias:.2f} mV')
+    # print(f'OhmPi: Resistance: {d["R [ohm]"] :.2f} ohm, dev. {d["R_std [%]"]:.2f} %, rx bias: {k._hw.rx._bias:.2f} mV')
+    # k._hw._plot_readings(save_fig=False)
+    # k.run_sequence(nb_stack=2, injection_duration=0.2, duty_cycle=0.5)
+    # ddir = os.path.join(os.path.dirname(__file__), '../data/')
+    # print(sorted(os.listdir(ddir)))
+    # df = pd.read_csv(os.path.join(ddir, sorted(os.listdir(ddir))[-3]))
+    # fig, ax = plt.subplots()
+    # df['R [Ohm]'].plot(ax=ax)
+    # fig.show(block=True)
     # plot_exec_log('ohmpi/logs/exec.log')
 change_config('../configs/config_default.py', verbose=False)
diff --git a/ohmpi/hardware_components/mb_2023_0_X.py b/ohmpi/hardware_components/mb_2023_0_X.py
index dd1933602033173960eb0781119be869bf782d46..db3b5eb86f6394734955f2480b1ce8ff75393b7c 100644
--- a/ohmpi/hardware_components/mb_2023_0_X.py
+++ b/ohmpi/hardware_components/mb_2023_0_X.py
@@ -268,6 +268,6 @@ class Rx(RxAbstract):
         """ Gets the voltage VMN in Volts
         """
         self.exec_logger.event(f'{self.model}\trx_voltage\tbegin\t{datetime.datetime.utcnow()}')
-        u = -AnalogIn(self._ads_voltage, ads.P0, ads.P1).voltage * self._coef_p2 * 1000. - self._bias  # TODO: check if it should be negated
+        u = AnalogIn(self._ads_voltage, ads.P0, ads.P1).voltage * self._coef_p2 * 1000. - self._bias  # TODO: check if it should be negated
         self.exec_logger.event(f'{self.model}\trx_voltage\tend\t{datetime.datetime.utcnow()}')
         return u
diff --git a/sequences/test_circuit_1423.txt b/sequences/test_circuit_1423.txt
index 54a617f15afa0fcdffd203dfaaeba72779a79fee..691d10eff3a18e8e8d92ec28d9a5aec2753f7d18 100644
--- a/sequences/test_circuit_1423.txt
+++ b/sequences/test_circuit_1423.txt
@@ -1,256 +1,13 @@
 1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
-1 4 2 3
+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