Product Name : PCF8591 AD/DA Converter Module; Working Voltage : 2.56V Low standby current.through the I2C bus serial input / output. PCB Size : 36 x 23mm/1.4 x 0.92(L*W);Hole Diameter : 3mm/0.1 PCF8591 by 3 hardware address pins addressing. Sampling rate PCF8591 I2C bus rate decided. Package Content : 1 x PCF8591 AD/DA Converter Module Maximum supply voltage 6 Volts Minimum supply voltage 2.5 Volts (DC) Mounting type PCB Mount Number of pins 5 Interface type I2C Number of channels 5 Three module interface description The left and right side of the module respectively outside the expansion of 2pin connector respectively as follows: Left AOUT chip DA output interface AINO chip analog input interface 0 AIN1 chip analog input interface 1 AIN2 chip analog input interface 2 AIN3 chip analog input interface 3 SCL IIC clock interface on the right then singlechip IO port SDA IIC digital interface connected MCU IO port GND module to ground VCC power interface external 3.3v5v Four modules shortcircuit cap instructions Module a total of three red shortcircuit cap respectively as follows: P4 connected to P4 shortcircuit cap select the thermistor access circuit P5 connected to P5 shortcircuit cap select the photosensitive resistor access circuit P6 connected to P6 shortcircuit cap select 05V adjustable voltage access circuit
