Commit 99c0291f authored by remi.clement's avatar remi.clement
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update

Showing with 8 additions and 4 deletions
+8 -4
...@@ -218,13 +218,17 @@ b) Implementation ...@@ -218,13 +218,17 @@ b) Implementation
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The measurement board must be printed using the PCB file (Source file repository), with components soldered onto The measurement board must be printed using the PCB file (Source file repository), with components soldered onto
it by following the steps described below and illustrated in the following figure : it by following the steps described below and illustrated in the following figure :
* Step no. 1: test divider bridge
Pour chacune des voies de mesure, nous avons installé un pont diviseur il est necéssaire de tester la valeur des résistance
pour corriger les coefficients (coeff_p0, coeff_p1, coeff p2, coeff_p3) dans le code Ohmpi.py.
* Step no. 1: installation of the 1-Kohm resistors with an accuracy of ± 1%. .. math::
* Step no. 2: installation of the 1.5-Kohm resistors with an accuracy of ± 1%.
* Step no. 3: test divider bridge
UNDERconstruction n_{\mathrm{offset}} = \sum_{k=0}^{N-1} s_k n_k
* Step no. 2: installation of the 1-Kohm resistors with an accuracy of ± 1%.
* Step no. 3: installation of the 1.5-Kohm resistors with an accuracy of ± 1%.
* Step no. 4: installation of both the black female 1 x 10 header and the 7-blue screw terminal blocks * Step no. 4: installation of both the black female 1 x 10 header and the 7-blue screw terminal blocks
* Step no. 5: installation of the 50-Ohm reference resistor ± 0.1% * Step no. 5: installation of the 50-Ohm reference resistor ± 0.1%
* Step no. 6: addition of both the ADS115 directly onto the header (pins must be plugged according to the figure) and the LM358N operational amplifiers (pay attention to the direction). * Step no. 6: addition of both the ADS115 directly onto the header (pins must be plugged according to the figure) and the LM358N operational amplifiers (pay attention to the direction).
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