It’s easy to use electricity — solar-generated or otherwise — to desalinate water. However, traditional…
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via Hackaday: Ideal Diodes and How to Build Them
[Julian] knows that real diodes you can buy don’t work exactly like we say they…
Read morevia Hackaday: It’s a Soldering Iron! It’s A Multimeter! Relax! It’s Both!
Imagine this. A young person comes to you wanting to get started in the electronic…
Read morevia Hackaday: An Arduino Triggers a Flash With Sound
To capture an instant on film or sensor with a camera, you usually need a…
Read morevia Hackaday: The 1983 Clock Four Decades in the Making
In 1983, a 14-year-old [Will] saw an LED clock in The Sharper Image store. At…
Read morevia the ARRL: NCVEC Question Pool Committee Removes Two Pool Questions From Use
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Read morevia Amateur Radio Daily: Special Event Celebrates First Trans-Global Two-Way Radio Communication
To commemorate the centenary of this historic contact made by Goyder and Bell, Mill Hill…
Read morevia Hackaday: The FNIRSI HRM-10 Internal Resistance Meter
Occasionally, we find fun new electronic instruments in the wild and can’t resist sharing them…
Read morevia Hackaday: Experimenting with MicroPython on the Bus Pirate 5
I recently got one of the new RP2040-based Bus Pirate 5 (BP5), a multi-purpose interface…
Read morevia Hackaday: Tiny LoRa GPS Node Relies on ESP32
Sometimes you need to create a satellite navigation tracking device that communicates via a low-power…
Read morevia Hackaday: Zinc Creep and Electroplasticity: Why Arecibo Collapsed
It’s been nearly four years since the Arecibo Telescope collapsed, an event the world got…
Read morevia Hackaday: Amazon Receives FAA Approval for MK30 Delivery Drone
It’s been about a decade since Amazon began to fly its delivery drones, aiming to…
Read morevia Hackaday: Solve: An ESP32-Based Equation Solving Calculator
We’re suckers for good-looking old-school calculators, so this interesting numerical equation-solving calculator by [Peter Balch] caught…
Read morevia Hackaday: Turning a Quansheng Handheld Into A Neat Desktop Transceiver
The Quansheng UV-K5 is a popular handheld radio. It’s useful out of the box, but…
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