Electronics
ATX Power Control Board
When I built the MING Pi, I needed a way to signal to the ATX power supply that it needed to turn on. I did that by cutting an ATX connector in half and soldering the Power On wire to
Posted in: Electronics
Tags: ATX PSU, pcb, Raspberry Pi
Simple Fan Speed Controller
A simple fan controller based on an ATTiny board and DS18B20 temperature sensor generating a PWM signal driving a power transisitor to control the fan.
Posted in: Electronics
Pi vs Arduino
Last week I gave a talk showing three different ways to flash an LED. One of the questions at the end was why would we use a Pi vs an Arduino?
Posted in: Electronics
Tags: Arduino, Rasberry Pi
Jumbo RGB LED
At the end of last year, I was working on a project for Element14 Presents that combined woodworking, power electronics and high powered LEDs. I upscaled an RGB LED 100 times from 5mm to 500mm. There were a few parts
Posted in: Electronics
Materials: MDF
Arduino Portenta
For a recent project, I’ve been using a new Arduino Portenta Pro board. It has proved to be a powerful board but also challenging to use.
Posted in: Electronics
Gates Update
Over the last week, the gates have been painted and the holes for the bases have been dug and filled with postcrete. To ensure the holes were all filled to the same level I remove the gravel between the holes
Posted in: DIY, Electronics
Fizz Buzz
Back in Dec 2017, I proposed the idea of a Fizz Buzz game as an entry to a Ben Heck Show competition. I decided now was time to finish the project.
Posted in: Electronics
Tags: LEDs, Pico Pi
Element14 Presents
There were some toxic comments going around the internet during the lockdown so I set about making a machine that could help.
Posted in: Electronics
Tags: Element14, machine learning, TinyML
Metal sculpture in brass, mounted on an 1800s French Coin
