The Classroom
CD4049 and CD4050 Hex Buffers
Make your microcontroller I/O tasks smoother or easier with these buffers.[READ MORE]
Daniel Koch
Issue 40, November 2020
The Classroom
The CD4017 Decade Counter
The CD4017 is another useful IC for the maker, both for discrete projects and some microcontroller applications as well.[READ MORE]
Daniel Koch
Issue 39, October 2020
PCBEasy
How to Design a PCB using EAGLE
We show you how to design custom footprints for components that are not in the EAGLE parts library.[READ MORE]
Johann Wyss
Issue 39, October 2020
Explore 3D
3D Printed Gears
Learn how to design and print functional gears for your next project or to replace a broken gear in a toy or tool.[READ MORE]
Geoff Cohen
Issue 38, September 2020
The Classroom
The LM311 Voltage Comparator
This IC is a low-component-count way to compare two signal voltages or a signal and a reference, and switch the output either...[READ MORE]
Daniel Koch
Issue 38, September 2020
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
