Issue 39 available now
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In This Issue:
New & Reviewed
Built & Tested: SB Acoustics Micro-C...
Daniel Koch
Issue 39, October 2020
Feature
Model Makers
Caitlin Lomax
Issue 39, October 2020
The Classroom
The CD4017 Decade Counter
Daniel Koch
Issue 39, October 2020
Projects
Desktop Weather Station
Johann Wyss
Issue 39, October 2020
Projects
Combination Lock
Johann Wyss
Issue 39, October 2020
PCBEasy
How to Design a PCB using EAGLE
Johann Wyss
Issue 39, October 2020
FEATURES:
EVERYTHING ELSE:
Projects
Kids' Basics: Door Alarm
Does someone keep eating your chocolate, taking your stuff, or just being an annoying sibling and moving things in your room?...
Daniel Koch
Issue 39, October 2020
Projects
Night Light
This firefly jar is rechargeable, runs on a lithium battery, and turns itself on or off at an adjustable threshold of darkness.
Daniel Koch
Issue 39, October 2020
Feature
Saving Solar
An Arduino Pro Mini based tester that estimates a solar panel’s performance quickly in the field to see if it can be saved...
Dennis Stanley
Issue 39, October 2020