diff --git a/doc/source/Ohmpi_V2_00/V2_00_step_04.rst b/doc/source/Ohmpi_V2_00/V2_00_step_04.rst
index ad2c13a1f22cc82006f11c44360d7633ffe8d108..1ad5004636a9e76fb24d4fdd2658a389d9e260bb 100644
--- a/doc/source/Ohmpi_V2_00/V2_00_step_04.rst
+++ b/doc/source/Ohmpi_V2_00/V2_00_step_04.rst
@@ -33,7 +33,6 @@
| |Example of IDC connector mounting. The wires should run as |
| |perpendicular as possible to the IDC connector. |
+--------+------------------------------------------------------------+
-
.. table::
:align: center
@@ -81,7 +80,6 @@
| |terminal of MUX board « A ». |
+--------+------------------------------------------------------------+
-
.. table::
:align: center
@@ -94,7 +92,6 @@
+--------+------------------------------------------------------------+
-
.. table::
:align: center
@@ -105,6 +102,352 @@
| |connectors. A small noise is often heard when the IDC |
| |connector is clipped in place. |
+--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_11.jpg |
+ | 10+------------------------------------------------------------+
+ | |Mount the ribbon cables with 6-wires with the corresponding |
+ | |IDC connectors |
+ | | |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_12.jpg |
+ | 11+------------------------------------------------------------+
+ | |Cut a red wire and a black wire of 10 cm length. Strip and |
+ | |tin the wires at the ends. Mount the red wire on the 12V |
+ | |input and the black wire on the GND input on the right screw|
+ | |terminal. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_13.jpg |
+ | 12+------------------------------------------------------------+
+ | |Mount and fix the second MUX board "B" on the first with |
+ | |the help of 9 spacers. |
+ | | |
+ | | |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_14.jpg |
+ | 13+------------------------------------------------------------+
+ | |Cut, strip and tin a red wire and a black wire of 10 cm |
+ | |length. Mount the wires on the left screw terminal. |
+ | |Red wire 12V input, black wire GND input. |
+ | |Connect the red and black wires from board A to the right |
+ | |screw terminal of board B. Red wire 12V input. Black wire |
+ | |GND input. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_15.jpg |
+ | 14+------------------------------------------------------------+
+ | |Crimp a 16 wires IDC connector on the ribbon cable at about |
+ | |15 cm from the previous connector. Please, pay attention to |
+ | |the direction of the cable before the crimp procedure. |
+ | |Mount the ribbon cable on the IDC connector on the board. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_16.jpg |
+ | 15+------------------------------------------------------------+
+ | |Repeat the operation for the other 3 ribbon cables. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_17.jpg |
+ | 16+------------------------------------------------------------+
+ | |Repeat the operation for the 6 wires ribbon cable. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_18.jpg |
+ | 17+------------------------------------------------------------+
+ | |Cut a 50 cm long wire "here purple" (Color not relevant but |
+ | |to be defined). Strip and tin the wire at its ends. Position|
+ | |the wire on the input B of the screw terminal of the |
+ | |multiplexing board B. |
+ +--------+------------------------------------------------------------+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_19.jpg |
+ | 18+------------------------------------------------------------+
+ | |Repeat all these operations for the third MUX board |
+ | |called "M". |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_20.jpg |
+ | 19+------------------------------------------------------------+
+ | |Repeat the operations for the fourth MUX Boards. Attention, |
+ | |it is necessary to position 5 different spacers (here nylon |
+ | |screw hex spacers) in between the “M†board and the “N†MUX |
+ | |Board (as shown on the photograph). Refer to the following |
+ | |photographs for more details on the assembly of the spacers.|
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_21.jpg |
+ | 20+------------------------------------------------------------+
+ | |When mounting the 4th MUX board ("N"), screws can be placed |
+ | |on the nylon spacers to fix the boards together. Note that |
+ | |the other spacers could be used for this purpose. |
+ | |Connect ribbon cables (16 wires) from board 3 to board 4 as |
+ | |previously described. Connect the red wire (12V) of MUX |
+ | |board "M" to the 12V terminal of the right screw terminal |
+ | |of MUX Board "N". Connect the black wire (GND) of MUX board |
+ | |“M†to the GND screw terminal on MUX board “Nâ€. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_22.jpg |
+ | 21+------------------------------------------------------------+
+ | |Cut a red wire and a black wire of one meter length. Place |
+ | |the red wire on terminal “12V†and the black wire on |
+ | |terminal “GND†of the left screw terminal. Tie the wires |
+ | |together. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_23.jpg |
+ | 22+------------------------------------------------------------+
+ | |Tie the A, B, M and N wires together |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_24.jpg |
+ | 23+------------------------------------------------------------+
+ | |Cut a PVC plate with the following minimum dimensions : |
+ | |200 mm * 150 mm * 5 mm |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_25.jpg |
+ | 24+------------------------------------------------------------+
+ | |Drill the plate to mount it on the remaining metal spacers. |
+ | |Do not tighten the assembly. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_26.jpg |
+ | 25+------------------------------------------------------------+
+ | |Position the Raspberry Pi (RPI) board on the plate so that |
+ | |you can access the USB ports. Mark the holes of the RPI |
+ | |board on the plate for mounting. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_27.jpg |
+ | 26+------------------------------------------------------------+
+ | |Add spacers on the PVC plate. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_28.jpg |
+ | 27+------------------------------------------------------------+
+ | |Attach the PVC plate to the metal spacers with washers |
+ | |and nuts. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_29.jpg |
+ | 28+------------------------------------------------------------+
+ | |Position and fix the RPI card on the spacers |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_30.jpg |
+ | 29+------------------------------------------------------------+
+ | |Add spacers on the RPI board. The red (12V) and black (GND) |
+ | |wires coming out of the "M" MUX board must pass under |
+ | |the RPI board. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_31.jpg |
+ | 30+------------------------------------------------------------+
+ | |Place the measurement board on the RPI GPIO outputs and on |
+ | |the pre-positioned spacers. Note that LEDs are present on |
+ | |this measurement board with an associated resistance simply |
+ | |for testing purposes (do not consider this temporary |
+ | |modification of the board). Same for the orange wire present|
+ | | on the board. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_32.jpg |
+ | 31+------------------------------------------------------------+
+ | |Connect the wires " A " (here yellow), " B " (here purple), |
+ | |" M " (here brown) and " N " (here blue) on the |
+ | |corresponding terminal blocks on the measurement board. |
+ | |Connect the 6 wires ribbon cable on the measurement board |
+ | |by passing under the PVC plate.Connect the red and black |
+ | |wires to the 12 V and GND terminal block. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_33.jpg |
+ | 32+------------------------------------------------------------+
+ | |Top view of the assembly. Add clips to secure the wires |
+ | |together. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_34.jpg |
+ | 33+------------------------------------------------------------+
+ | |Second view. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_35.jpg |
+ | 34+------------------------------------------------------------+
+ | |Zoom in on the connection of the M and N wires. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_36.jpg |
+ | 35+------------------------------------------------------------+
+ | |Zoom in on the connection of the A and B wires. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_37.jpg |
+ | 36+------------------------------------------------------------+
+ | |Zoom in on the connection of the « 12V » and « GND » wires. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_38.jpg |
+ | 37+------------------------------------------------------------+
+ | |Fixing the measurement board on the spacers present on the |
+ | |RPI board. |
+ +--------+------------------------------------------------------------+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_39.jpg |
+ | 38+------------------------------------------------------------+
+ | |Place the SD card containing the OS and the pre-installed |
+ | |programs. Connect a mouse and a keyboard to the USB inputs |
+ | |of the RPI board. Connect a monitor to the HDMI output of |
+ | |the RPI board. |
+ +--------+------------------------------------------------------------+
+
+
+.. table::
+ :align: center
+
+ +--------+------------------------------------------------------------+
+ | | .. image:: step_n_4/step_4_40.jpg |
+ | 39+------------------------------------------------------------+
+ | |Connect the red and black cables of board A to a 12V battery|
+ | |or other laboratory power supply delivering a 12V-DC |
+ | |voltage. |
+ | |Enjoy 😊 |
+ +--------+------------------------------------------------------------+
+
+
\ No newline at end of file