Electronics

Projects using electronic components and circuits

Raspberry Pi Pico, LoRa & Home Assistant remote soil monitoring

How to monitor soil moisture levels on our allotment and view the data in Home Assistant using a pair of Raspberry Pi Picos & LoRa radio modules to send and receive the data

Introducing a blog for Retro Computing Enthusiasts, Retro Bits and Bytes

We have launched a new blog dedicated to all things retro computing and classic computers from the 1970s, 80s and 90s

Rigol DHO804 Oscilloscope Quiet Fan Mod

We fitted a quiet Noctua fan using a 3D printed mount to the back of our Rigol DHO804 oscilloscope to make it quieter when in use

Zwift ESP32 Bluetooth Wireless Keyboard Controller

Making a custom controller for the cycling training software Zwift, with a ESP32 Feather Bluetooth wireless keyboard controller using a Adafruit ESP32 Feather V2.

Monitoring Air Quality with the AirGradient Open Air Outdoor Monitor and Home Assistant

Using an open source air quality monitoring system from AirGradient, we have added outdoor air pollution data logging to Home Assistant and our long term data logger online.

Amazon Echo Spot Teardown - Smart speaker with LCD

Welcome to a in-depth teardown of the 2024 Amazon Echo Spot Smart Speaker with LCD display. In this blog post, we'll be taking a closer look at the inner workings of this popular smart home device, uncovering the components that power its advanced features, and exploring its construction

PartFinder 2.0 Core component inventory manager

This is a new release of the PartFinder component inventory manager I released four years ago in March 2020 which now runs on Windows, Mac and Linux.

ESP32 RGB Microscope LED Ring Light

Designing a new RGB LED ring light for our microscope with an ESP32 WiFi controller using a manual control and web interface

Fujinon Pro 2010 Night Vision Scope Infrared LED Mod

We added an infrared LED into our Fujinon Pro 2010 night vision monocular to help with night vision illumination

Three Elgato Key Light remote control using an ESP32 Wi-Fi module

Building a remote controller for three Elgato Key Lights using a low-cost ESP32 Wi-Fi module with push switches and indicator LEDs

BOBOVR M3 Pro battery pack inductor noise fix on Meta Quest 3

Modifying a BOBOVR M3 Pro VR headstrap battery for the Meta Quest 3 to reduce audible noise from the battery pack.

Buying Used Test Equipment from Ham Radio Rallies

Visiting FRARS Hamfest in Wimborne and buying used test equipment from Ham radio rallies

Amazon Echo Pop Smart Speaker teardown

New teardown and looking inside the latest Amazon Echo Pop smart home speaker and Amazon Alexa smart home device

Amazon Echo Dot 5th Gen Smart Speaker Teardown

Taking a look inside the latest Amazon Echo Dot 5 smart home speaker and Amazon Alexa device, now with a new larger speaker and temperature sensor

ModBus to MQTT WiFi Bridge for a Solis 1.5kW Inverter

Using an ESP32 WiFi module to create a ModBus to MQTT WiFi Bridge for a Solis 1.5kW Solar PV Inverter to log data with Home Assistant

Please support the blog by shopping at abelectronics

Please support the blog and our projects by buying your Raspberry Pi development boards from our online store at AB Electronics UK.

View Modding Beat Saber on the Quest 3 with ModsBeforeFriday

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