The Classroom
The ULN2003 Darlington Array
This specialised IC provides a neat and effective interface between a stepper motor and an Arduino or Raspberry Pi. The...[READ MORE]
Daniel Koch
Issue 37, August 2020
PCBEasy
How To Etch A PCB: Part 2
In this issue, we show you how to etch a PCB at home using photoresist and sodium persulfate etchant. In the previous issue,...[READ MORE]
Johann Wyss
Issue 37, August 2020
PCBEasy
How to Etch a PCB: Part 1
In this issue, we show you how to etch a PCB at home using the toner transfer method and ferric chloride etchant.[READ MORE]
Johann Wyss
Issue 36, July 2020
What The Tech
Finger on the Pulse
We get hands-on with a heartbeat sensor module to see how effective they are.[READ MORE]
Johann Wyss
Issue 36, July 2020
The Classroom
The ATmega328P IC
The ATmega328P is the brains of many Maker projects. We take a look at this versatile chip, different ways to program it, and...[READ MORE]
Dean Corva
Issue 36, July 2020
The Classroom
The MAX232 IC
Learn about logic-level switching using a MAX232, how it’s applied in electronics, and how to connect to devices with RS-232...[READ MORE]
Dean Corva
Issue 35, June 2020
