Choosing an Oscilloscope by Alan Lowne 15 tips that can make selecting the appropriate oscilloscope for your task at hand a lot easier.
Tricky Train Control with an Analog VOX by Randy Keenan Use voice control to manipulate your model train set. This circuit is also perfect to implement on other types of projects you’d like to command with your words.
Build the Toilet Sentinel by Larry Cicchinelli Build a Toilet Sentinel circuit that alerts you when the toilet flapper has not sealed properly, allowing water to continue to run.
Make Your Own Portable Media Center by Craig Lindley With a few pieces of hardware and a Raspberry Pi, you can have a traveling entertainment system that fits in the palm of your hand.
Tech Forum Questions Check out the Questions for this issue.
Q&A by Kristen McIntyre Reader Questions Answered Here Questions regarding how to build a gate and a case where battery polarity is not important are addressed, plus help is provided regarding a set of Archer ICs.
Open Communication by Louis E. Frenzel What’s in the Works for Wireless? Wireless is so ubiquitous these days, we take it for granted. However, there are even more things to expect for/from it in the future.
Near Space by L. Paul Verhage My First Near Space Payload to Need an FAA Waiver Setting “records” with a particular secret near space payload that required special FAA clearance.
Practical 3D Printing by Chuck Hellebuyck Resistor/Diode Tester Modifying a previous 3D print into a different kind of component holder.
The Design Cycle by Fred Eady Get Up and Running Quickly with BLE Use Microchip’s new BM70 Bluetooth Low Energy (BLE) radio module and you’ll be able to communicate with your smartphone without any low-level BLE programming or expensive compilers and programmers.
Self-Monitoring Made Easy by Bryan Bergeron It’s never been easier or more affordable to self-monitor everything from your heart rate to your body fat composition.