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Home-made Induction Loop Receiver

less than 1 minute read

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This is a placeholder for a post on my home-made induction loop receiver. TLDR: I designed and made a small PCB that can pick up the magnetic field generated by an induction loop. This required amplification to be able to hear the signal.

MDX-20 — Foam Mill Turned PCB Mill

less than 1 minute read

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This is yet to be written - but should be done soon. TLDR: I turned an old, broken MDX-20 into a PCB Milling machine with features such as conductive height mapping and the ability to cut two-sided PCBs.

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Microcontrollers: Lesson One

Extracurricular, Kennedy Building - The Hackspace, 2024

This lesson aims to teach the electronic equivalent of “hello world” – blinky. We start with the basics - installing the IDE and connecting the ESP32 to the computer. We then explore the syntax and layout of a C++ program, and how to build a basic circuit to blink our LED.

Microcontrollers: Lesson Two

Extracurricular, Kennedy Building - The Hackspace, 2024

This lesson aims to move a servo with the push of a button. We mostly focus on controlling the servos through code. As an extension, we touch on the theory behind servo control - PWM. For fun, I often bring in my oscilloscope for this class. Doing so provides a visual for all the theory, but really it is so I can show off oscilloscope music. It’s a big hit, and my favourite part of the class.

Microcontrollers: Lesson Three

Extracurricular, Kennedy Building - The Hackspace, 2024

This lesson aims to explore the use of ultrasonic sensors. This lesson makes use of our work from lesson one. When we move our hand closer to the ultrasonic sensor, an LED will glow brighter. We also look at the physics behind the code, noting how we use the speed of sound and the time it takes for the pulse to return to calculate the distance of an object from the sensor.