PCF8591 ADC to DAC Converter Module.
Description:
- PCF8591 operating voltage range of 2.5V-6V .
- Low standby current .
- Com: via I2C bus serial input / output .
- PCF8591 has 3 hardware addressing pins I2C.
- 4 analog inputs programmable as single-ended or differential input.
- Automatic incremental channel selection.
- Analog voltage range from VSS to VDD .
- 8-bit successive approximation A / D converters.
- DAC gain realized by an analog output.
Module Interface Description:
- AINO chip analog input interface 0
- AIN1 chip analog input interface 1
- AIN2 chip analog input interface 2
- AIN3 chip analog input interface 3
- SDA IIC digital interface connected to the microcontroller IO port
- GND module to an external ground
- VCC Power Interface External 3.3v-5v
Modules jumper instructions:
- P4 jumper connected = thermistor access circuit .
- P5 jumper connected = photoresistor access circuit .
- P6 jumper connected = select 0-5V adjustable voltage access circuit.