User Manual

70
In this experiment, the AIN0 (Analog Input 0) port is used to receive analog signals from the
potentiometer module, and AOUT (Analog Output) is used to output analog signals to the
dual-color LED module so as to change the luminance of the LED.
The schematic diagram:
Experimental Procedures
Step 1: Build the circuit
Raspberry Pi T-Cobbler PCF8591 Module
SDA SDA1 SDA
SCL SCL1 SCL
3V3 3V3 VCC
GND GND GND
Dual-Color Module T-Cobbler PCF8591 Module
R * AOUT
GND GND GND
G * *
Note:
Connect the two pins next to the potentiometer of the PCF8591 module with the yellow
jumper cap attached.