Contents
Vol.37, No.11
November 2024
14 Nikola Tesla, Part 2
Nikola Tesla was a prolific inventor, engineer, futurist, essayist and the
original ‘mad scientist’. In this two part series we will cover his many
(significant) contributions to society.
By Dr David Maddison, VK3DSM
Biographical feature
42 Precision Electronics, Part 1
This series covers the basics of precision electronics design, with a range
of topics from precision op amps to temperature drift and noise. We aim to
cover these from a practical perspective, rather than just the theory.
By Andrew Levido
Electronic design
Precision Electronics
Part 1 – Page 42
Nikola
Tesla
the original ‘mad scientist’
Part 2
Page 14
78 0.91-inch OLED Screen
These small monochrome OLED modules have a 128 x 32 pixel display and
typically use an SH1106 or SSD1306 drive controller IC. Because they use
an I2C serial interface they are easy to drive with a microcontroller.
By Jim Rowe
Using electronic modules
90 Maxwell’s Equations
Michael Faraday and James Maxwell helped to define the most basic
equations upon which a lot of electronics theory rests. We give some
background, explain what the equations mean and why they’re useful.
By Brandon Speedie
Electronics theory
2
Editorial Viewpoint
5
Mailbag
41
Subscriptions
59
Jaycar Mini Projects
76
Circuit Notebook
95
Online Shop
96
Serviceman’s Log
The FlexiDice can display a 100-sided die, but it’s not just restricted to dice.
It can also randomly pick a card face from a standard 52-card deck or even
perform a simple coin toss.
By Tim Blythman
Game project
103
Vintage Radio
108
Ask Silicon Chip
82 3D Printer Filament Dryer, Part 2
111
Market Centre
Store up to four 1kg reels of 3D printer filament, while keeping it warm and
free of moisture using our Filament Dryer. The filament is drawn straight out
of the sealed box making it easy to keep jobs going.
By Phil Prosser
3D printer accessory
112
Advertising Index
112
Notes & Errata
24 Variable Speed Drive Mk2, Part 1
Our new Variable Speed Drive is smaller, cooler & more efficient. It can drive
single-phase shaded pole or permanent split capacitor (PSC) induction
motors, as well as three-phase 230V induction motors, both up to 1.5kW.
By Andrew Levido
Motor speed control project
48 Surf Sound Simulator
Enjoy the sound of the beach from the comfort of your home. The Surf Sound
Simulator is a fun project on a colourful surfboard-shaped PCB that is perfect
for beginners or experienced constructors, using all through-hole parts.
By John Clarke
Audio relaxation project
66 FlexiDice
1. Analog pace clock & stopwatch
2. Digital spirit level
1. Tunnel timer using a 555
2. Simple negative rail generation
3. Model train rail blockage detector
Revisting the Zenith Royal 500 by Ian Batty
