Teaching people efficiently isn’t limited to transmitting material from one head to another — it’s also about conveying the principles that got us there. [Mara Bos] shows us a toolkit …read more (https://hackaday.com/2022/04/10/boards-for-playful-exploration-of-digital-protocols/)

Coin Acceptors are Higher-Tech Than You Think
https://hackaday.com/2022/04/10/coin-acceptors-are-higher-tech-than-you-think/

Coin-operated machines have a longer history than you might think. Ancient temples used them to dispense, for example, holy water to the faithful in return for their coins. Old payphones …read more (https://hackaday.com/2022/04/10/coin-acceptors-are-higher-tech-than-you-think/)

Swing Gate Motors Come To Help For Opening A Giant Servery Window
https://hackaday.com/2022/04/11/swing-gate-motors-come-to-help-for-opening-a-giant-servery-window/

[Martin Roberts] wrote to us, telling us about a build that his company, [Ocean View Workshop], was tasked with. Creating a four meter wide window able to open vertically is …read more (https://hackaday.com/2022/04/11/swing-gate-motors-come-to-help-for-opening-a-giant-servery-window/)

This End Table Conceals A Close Encounter
https://hackaday.com/2022/04/11/this-end-table-conceals-a-close-encounter/

If you’re of a Certain Age, perhaps you had a train set as a child. An oval of track, a loco, and some rolling stock; it matters not whether it …read more (https://hackaday.com/2022/04/11/this-end-table-conceals-a-close-encounter/)

Mothballing Rosalind: How to Put a Space Mission in Storage
https://hackaday.com/2022/04/11/mothballing-rosalind-how-to-put-a-space-mission-in-storage/

In planetary exploration circles, Mars has quite a bad reputation. The Red Planet has a habit of eating spacecraft sent there to explore it, to the degree that nearly half …read more (https://hackaday.com/2022/04/11/mothballing-rosalind-how-to-put-a-space-mission-in-storage/)

Need A JTAG Adapter? Use Your Pico!
https://hackaday.com/2022/04/11/need-a-jtag-adapter-use-your-pico/

JTAG is a powerful interface for low-level debugging and introspection of all kinds of devices — CPUs, FPGAs, MCUs and a whole lot of complex purpose-built chips like RF front-ends. …read more (https://hackaday.com/2022/04/11/need-a-jtag-adapter-use-your-pico/)

2022 Hackaday Prize Hack Chat
https://hackaday.com/2022/04/11/2022-hackaday-prize-hack-chat/

Join us on Wednesday, April 13 at noon Pacific for the 2022 Hackaday Prize Hack Chat with Majenta Strongheart! Let’s face it: this world is pretty broken right now. From …read more (https://hackaday.com/2022/04/11/2022-hackaday-prize-hack-chat/)