May 2021

Detailed description of this issue HERE

Projects & Circuits

7-Band Mono or Stereo Equaliser – buy the PCB here!
These stereo or mono 7-Band Equalisers let you tailor the sound of your
listening experience. Both feature extremely low noise and distortion.

Touchscreen Car Altimeter – buy the PCB here!
This Touchscreen Altimeter is optimised for car use or other land-based vehicle. The hardware is vehicle-powered, and the software is designed for a typical driving trip.

DIY Solder Reflow Oven with PID Control – Part 2 – buy the PCB here!
When we left off last month, we’d finished assembling the PCBs and the hardware. Now it’s time to put it all together – and get cooking!

Series, Features and Columns

The Fox Report by Barry Fox
tekkiepix.com… plus, Urban myth or scam

Techno Talk by Mark Nelson
Groundhog Day?

Net Work by Alan Winstanley
This month, home-use IP cameras, the current missions to Mars from NASA (and others) and the latest money spinner from eBay – for eBay, not you!

Circuit Surgery by Ian Bell
Solving a circuit: iteration load lines and simulation

PIC n’ Mix by Mike Hibbett
Part 5: PIC18F Development Board – buy the PCB HERE

Make it with Micromite by Phil Boyce
Part 28: Internet connection with an ESP32 Wi-Fi module – Part 1

Practically Speaking by Jake Rothman
Restoring old equipment – Part 3

Max’s Cool Beans by Max The Magnificent
Flashing LEDs and drooling engineers – Part 15

Audio Out
Microphone Preamplifier (for Vocoder) – Part 1

Downloads

Download the files associated with this issue HERE.