Comparing Cheap Capacitative Soil Moisture Sensors With Commercial Sensors
https://hackaday.com/2023/02/01/comparing-cheap-capacitative-soil-moisture-sensors-with-commercial-sensors/

When your residence has soil moisture sensors embedded that were dictated by your friendly neighborhood HoA, you may start asking questions about the system used. That’s what [Modest Maker] did …read more (https://hackaday.com/2023/02/01/comparing-cheap-capacitative-soil-moisture-sensors-with-commercial-sensors/)

Want Better 0402 Reflow? Consider These Footprints!
https://hackaday.com/2023/02/01/want-better-0402-reflow-consider-these-footprints/

Assembling with a stencil is just that much more convenient – it’s a huge timesaver, and your components no longer need to be individually touched with a soldering iron for …read more (https://hackaday.com/2023/02/01/want-better-0402-reflow-consider-these-footprints/)

Not a Pot, Not an Encoder: Exploring Synchros for Rotational Sensing
https://hackaday.com/2023/02/01/not-a-pot-not-an-encoder-exploring-synchros-for-rotational-sensing/

We’re all familiar with getting feedback from a rotating shaft, for which we usually employ a potentiometer or encoder. But there’s another device that, while less well-known, has some advantages …read more (https://hackaday.com/2023/02/01/not-a-pot-not-an-encoder-exploring-synchros-for-rotational-sensing/)

ChipWhisperer Adapter Helps Reverse-Engineer A Controversial Game Cartridge
https://hackaday.com/2023/02/01/chipwhisperer-adapter-helps-reverse-engineer-a-controversial-game-cartridge/

The ChipWhisperer has been a breakthrough in hobbyist use of power analysis and glitching attacks on embedded hardware. If you own one, you surely have seen the IDC and SMA …read more (https://hackaday.com/2023/02/01/chipwhisperer-adapter-helps-reverse-engineer-a-controversial-game-cartridge/)

Copy and Paste Lithium Battery Protection
https://hackaday.com/2023/02/02/copy-and-paste-lithium-battery-protection/

Lithium batteries have, nearly single-handedly, ushered in the era of the electric car, as well as battery energy storage of grid power and plenty of other technological advances not possible …read more (https://hackaday.com/2023/02/02/copy-and-paste-lithium-battery-protection/)

Cheap Kitchen Scale Learns to Speak JSON With ESP32
https://hackaday.com/2023/02/02/cheap-kitchen-scale-learns-to-speak-json-with-esp32/

Smart kitchen appliances are expensive, and more often than not, your usage data goes to whichever company operates the inevitable cloud service. Meanwhile the cheap ones contain substantially the same …read more (https://hackaday.com/2023/02/02/cheap-kitchen-scale-learns-to-speak-json-with-esp32/)

China’s New 100 MPH Train Runs on Hydrogen and Supercaps
https://hackaday.com/2023/02/02/chinas-new-100-mph-train-runs-on-hydrogen-and-supercaps/