September 2020

Detailed description of this issue HERE

Projects & Circuits

Ultrabrite LED Pushbike Light – buy the PCB here!
Use a tiny (22 × 12mm) high-efficiency LED driver that delivers a constant 1A or 2.2A to make a make a (very!) bright bicycle light, torch or other light source.

The Micromite Explore-28 – buy the PCB here!
Plug-in module with the powerful 28-pin Micromite plus a USB socket for comms and programming – all you need to start with the Micromite in one handy package.

Three Stepper Motor Drivers
Want to build your own 3D printer or CNC machine? You’ll need stepper motor drivers. Here are three of the most common driver modules and how to use them.

Series, Features and Columns

The Fox Report by Barry Fox
A to D: content rescue

Techno Talk by Mark Nelson
The perils of an enquiring mind…

Net Work by Alan Winstanley
Lights, camera, action! A return to the complex world of IP security cameras.

Cheap and easy compact speaker enclosures
A novel technique for building enclosures using clay-fibre flowerpots

Circuit Surgery
Differential amplifiers

Make it with Micromite
Part 20: Ultrasonic obstacle avoidances

Max’s Cool Beans by Max The Magnificent
Flashing LEDs and drooling engineers – Part 7

PIC n’ Mix
Part 2: Software tools for the PIC18F – buy the PCB HERE

Audio Out
Low-noise Theremin Power Supply – Part 2 – buy the PCB here and the transformer here!

Downloads

Download the files associated with this issue HERE.