ADC board based on ADS1115, equipped with pads for resistors, to set up a custom voltage divider.
Schematic |
|
Board with components soldered |
Bare single PCB |
Panelized PCB |
|
|
|
The board provides pads for resistors (SMD and THT) to make voltage dividers. There are many possibilities:
Configuration |
R1 (R11) |
R2 (R22) |
R3 (R33) |
R4 (R44) |
pinout |
Non scaled, dual input, single ended |
NONE |
NONE |
0 Ohm |
NONE |
A0(J5-2)+, A1(J5-4)+, GND(J5-8) |
Non scaled, single input, differential ended |
NONE |
NONE |
0 Ohm |
NONE |
A0(J5-2)+, A1(J5-4)- |
Scaled, single input, differential ended |
NONE |
Top resistor 1 |
Top resistor 2 |
Bottom resistor |
A0(J5-1)+, A1(J5-4)- |
Current measurement, single input, differential ended |
NONE |
NONE |
0 Ohm |
Current resistor |
A0(J5-2)+, A1(J5-4)- |
WiFi 4-20 mA DC remote current display. Differential input current measurement
ADC board top left |
Power wires connected |
Backplated fixed to enclosure |
|
|
|