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Knowledge Base

The AB Electronics UK Knowledge Base provides support solutions, tutorials and troubleshooting guides.

Knowledge Base

Legacy Products

1 Wire Pi

This item has been replaced with the 1 Wire Pi Plus. https://www.abelectronics.co.uk/p/60/1-Wire-Pi-Plus 1-Wire® to I2C host interface with ESD protection diode. Stackable with other Raspberry Pi accessory boards. Buffered 5V I2C port. External 5V power input for 1-Wire®...

1 Wire Pi Plus 1.0

This product has been replaced with the 1 Wire Pi Plus Version 2.0. Features 1-Wire® to I2C host interface with ESD protection diode. Stackable with other Raspberry Pi accessory boards. Buffered 5V I2C port. External 5V power input for 1-Wire® interface. I2C address...

ADC DAC Pi

This item has been replaced with the ADC DAC Pi Zero https://www.abelectronics.co.uk/p/74/ADC-DAC-Pi-Zero-Raspberry-Pi-ADC-and-DAC-expansion-board The ADC-DAC Pi V1.0 is a 2 channel 12 bit analogue to digital converter and 2 channel 12 bit digital to analogue converter designed to work with...

ADC Pi

This item has been replaced with the ADC Pi 3.0 Go to the ADC Pi The ADC Pi is an 8 channel 17 bit analogue to digital converter designed to work with the Raspberry Pi platform.  The ADC Pi is based on two Microchip MCP3424 A/D converters each containing 4 analogue inputs with up to 18...

Buffer Pi - Legacy Product

The Buffer Pi is a Bidirectional Voltage-Level Translator GPIO protection board which allows you to use 5V devices on your Raspberry Pi as well as protecting the Raspberry Pi GPIO pins from voltage spikes and static discharge. The board is based around the TXS0108E and TXS0102 bidirectional...

Com Pi - Legacy Product

Hardware mounting kit and GPIO extension header included. RS232 Master Port. Control the Raspberry Pi over RS232 or connect to external serial accessories. 1-Wire® to I2C host interface with ESD protection diode. Stackable with other Raspberry Pi accessory boards. Buffered 5V I2C...

Delta-Sigma Pi

This item has been replaced with the ADC Differential Pi Go to the ADC Differential Pi. The Delta-Sigma Pi is an 8 channel analogue to digital converter designed for use on the Raspberry Pi computer platform. The board is based around the MCP3424 low noise and high accuracy 18 bit delta-sigma...

Expander Pi

Expander Pi allows you to connect your Raspberry Pi to switches, lights, sensors, and many other devices giving your Raspberry Pi a way to communicate with the outside world. The Expander Pi plugs onto the GPIO port on your Raspberry Pi and can be securely fitted to the Raspberry Pi using the...

IO Pi

This item has been replaced with the IO Pi Plus. https://www.abelectronics.co.uk/p/54/IO-Pi-Plus The IO Pi is a 32 channel digital expansion board designed for use on the Raspberry Pi computer platform. The board is based around the MCP23017 16-bit I/O expander from Microchip Technology...

IO Pi Plus 1 Legacy

The IO Pi Plus version 1.0 has been updated to a new 2.1 version which you can purchase from https://www.abelectronics.co.uk/p/54/IO-Pi-Plus The IO Pi Plus is a 32 channel digital expansion board designed for use on the Raspberry Pi. The board is based around the MCP23017 16-bit...

Logic Level Converter

The AB Electronics logic level converter is a small PCB which safely allows you to interface devices which steps down 5V signals to 3.3V signals and step up 3.3V signals to 5V. The logic level converter has 4 inputs and outputs and can be used with I2C, SPI, UART,...

RTC Alarm Pi - Legacy Product

We have been made aware of an issue with the latest Linux kernel used with Raspberry Pi operation systems and the PCF8563 Real-Time Clock IC from NXP which we use on the Alarm Pi. The latest kernel version appears to have broken the support for this chip and so it isn’t recognised when...

RTC Pi

The Raspberry Pi is a great low cost computer with thousands of different uses but one thing it does not come with is a real-time clock.  This means that every time you switch off your Raspberry Pi it forgets what the time is and you have to manually set it again next time you switch your...

Serial Pi

This item has been replaced with the Serial Pi Plus and Serial Pi Zero Go to the Serial Pi Plus. Go to the Serial Pi Zero. RS232 Master Port. Control the Raspberry Pi over RS232 or connect to external serial accessories. Stackable with other Raspberry Pi accessory...