GPIO ADC Expander, ADIO Module IIC Utility
$2.20
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Description
IIC I2C interface to expander GPIOs, add ADC read and DAC output.
- On board IO expanders IC PCF8574T, provide extra 8 IO ports.
- IO P0 P1 P2 P3 P4 are connected to joystick, corresponding to left, down, press, right and up.
- Joystick common pin can connect to VCC or GND, to ease your programming. Selectable by backside jumper, default to ground.
- IO P5 is connect to a buzzer. This can be disconnected by on board jumper.
- IO P6 P7 are not connected to anythings.
- IO P0 P1 P2 P3 P4 are connected to joystick, corresponding to left, down, press, right and up.
- On board ADC expander IC PCF8591, provide extra 4 analog read.
- AIN0 AIN1 are not connected to anythings.
- AIN2 connects to any analog sensor read port, default mount an analog sensor. Can be disconnected via jumper.
- AIN3 connects to on board trim pot potentiometer, for testing purpose only. Can be disconnected via jumper.
- On board power LDO, and logic shiftier for IIC. LDO supply up to 500mA/16V.
- Two groups of 3.3V, GND, SCL, SDA pins, cascadable design, can connect as many IIC devices as you want.
Additional information
| Weight | 0.01 kg |
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