January 2021

Detailed description of this issue HERE

Projects & Circuits

Nutube Miniature Valve Stereo Preamplifier – buy the PCB here!
Korg and Noritake Itron of Japan recently released their Nutube 6P1 twin triode. It’s party piece is that it can operate from just a few volts.

Complete Arduino DCC Controller – buy the PCB here!
Build this fantastic Arduino-compatible controller shield that forms the basis of a DCC system. It can also be used as a DCC booster or high-current motor driver.

Intelligent 8×8 RGB LED matrix
Master a module with an 8×8 matrix of 64 ‘intelligent’ RGB LEDs. The LEDs are controlled via a single wire, and multiple modules can be cascaded.

Series, Features and Columns

The Fox Report by Barry Fox
HDMI capture dongle update

Techno Talk by Mark Nelson
Bad boy bulbs

Net Work by Alan Winstanley
The latest news on electric cars, tips and tricks for running an Android-based TV system and advice on setting up a two-screen Windows PC

KickStart by Mike Tooley
Part 1: MOSFET switching devices in linear applications – introducing the 2N7000

PIC n’ Mix by Mike Hibbett – buy the PCB HERE
Part 3: PIC18F development board

Circuit Surgery by Ian Bell
Interference and noise

Make it with Micromite by Phil Boyce
Part 24: Counting pulses, rotary encoders and a digital safe

Max’s Cool Beans by Max The Magnificent

Flashing LEDs and drooling engineers – Part 11

Audio Out

Theremin Audio Amplifier – Part 3 – buy the PCB here!

Visual programming with XOD by Julian Edgar
Light Column Thermometer

Downloads

Download the files associated with this issue HERE.