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GPIO with PWM Chip with serial or I2C interface

Product Condition:   New
PCB kit
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GPIO with 4 x PWM outputs (P015 - Serial, P016 - I2C)

This is a Serial or I2C General purpose input or output IC. In addition it also has 4 Pulse width modulated outputs for power control. It can be used stand alone for building into projects or with a specially designed PCB. The IC has the following features:

  • Wide voltage range 2.5V to 5.5V
  • 8 GPIO channles
  • 4 PWM channels
  • Simple serial or I2C protocol
  • User configurable EEPROM

This IC is ideal for the Raspberry Pi as it can be used in isolation, thus protecting the delicate RPi GPIO. Also the RPi does not have any PWM.

Instructions: Full construction, data sheet and operation instructions are provided in the link.

This is the pin out for the serial and I2C version.

There is also an optional PCB for ease of use. This is supplied as a kit and so some soldering will be required

(shown fitted with ADC Chip)

Included is free Python software for the Raspberry Pi and Windows, details are in the link above.

Please Note: The software is provided free and to show how the device may be used. It is not part of the purchase and so it is recommended that you check the link to see if this meets your needs before purchase.

This will retrieve all of the inputs and display them. The software works both on Windows and Rpi


  • Please select I2C or Serial
  • Kit Option:

This is an example of the supplied kit. All the parts needed are supplied to make up either the I2C or serial version

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