Brand Waveshare Model PCF8591 AD Quantity 1 Piece Color Deep Blue Material CCL + PCB board Chipset PCF8591T English Manual / Spec No Other Features Support pin or pin header connected to board Support I2C bus cascade (Can use several I2C modules) Applies to low speed AD / DA converter Main resource: PCF8591 I2C pin header I2C pin Adjustable resistor Analog input for A/D conversion analog output for D/A conversion address pins jumper Material includes: Testing program (AVR STM8. C8051F) circuit principle diagram Application: Raspberry Pi AD board module and Arduino Development Packing List 1 x Raspberry Pi PCF8591 AD board module