Knowledge Base

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

RTC Pi

Realtime Clock RTC Pi and Beaglebone Black

The RTC Pi can be used with the Beaglebone Black linux computer board Connecting the RTC Pi to the BeagleBone Black Turn off and unplug your BeagleBone Black You also need to add a 2K resistor between the SDA to 3.3V and SCL to 3.3V. The Beaglebone Black needs a lower pullup resistance...

RTC Pi and Arduino

The RTC Pi can be used with Arduino boards using the easy to use RTCLib library written by JeeLab. The library can be downloaded from https://github.com/abelectronicsuk/ABElectronics_Arduino_Libraries To use the library with the Arduino IDE Download the project files in ZIP or...

RTC Pi on a Raspberry Pi Raspbian Stretch

This page details how to setup the RTC Pi on the Raspbian Jessie or Stretch image from https://www.raspberrypi.org/downloads/raspbian/ Step 1: With your Raspberry Pi switched off install the RTC Pi on the Raspberry Pi GPIO port and insert a CR2032 coin battery into the battery...

RTC Pi on a Raspberry Pi with Raspbian wheezy

This page details how to setup the RTC Pi on the Raspbian “wheezy” image from http://www.raspberrypi.org/downloads Step 1: With your Raspberry Pi switched off install the RTC Pi on the Raspberry Pi GPIO port and insert a CR2032 coin battery into the battery holder.  Using the...

RTC Pi storing double values in RTC memory

This demo shows how to write to and read from the internal battery backed memory on the DS1307 RTC chip as used on the RTC Pi and Expander Pi Step 1: With your Raspberry Pi switched off install the RTC Pi on the Raspberry Pi GPIO port and insert a CR2032 coin battery into the battery...

RTC Pi storing integers in RTC memory

This demo shows how to write to and read from the internal battery backed memory on the DS1307 RTC chip as used on the RTC Pi and Expander Pi using Python. Step 1: With your Raspberry Pi switched off install the RTC Pi on the Raspberry Pi GPIO port and insert a CR2032 coin battery into the...