Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
38
Lesson 15: PCF8591 Module
Overview
The PCF8591 module an 8-bit A/D Converter & D/A Converter PCF8591 with
four analog inputs, one analog output and a serial I2C-bus interface.
The PCF8591 module features I2C pinheader on one side, and I2C connector
on the opposite side. Hence, it's more flexible to connect the board to your
development system. The board also supports I2C cascading, allowing the use
of multi module connected to the I2C bus at the same time by connecting the
pinheader and connector.
Specification
Please view “PCF8591-datasheet.pdf”
Path: \ Datasheet\ PCF8591-datasheet.pdf
Pin definition
P4 -> Select P4, the thermistor to be use.
P5 -> Select P5, the photosistence to be use.
P6 -> Select P6, the potentiometer to be use.
Hardware required
Material diagram
Material name
Number
PCF8591
1
Raspberry Pi Board
1
T-Cobbler Plus
1
40P GPIO Cable
1
Breadboard
1
Jumper wires
Several