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https://hackaday.com/2026/04/28/2026-green-powered-challenge-supercapacitor-enables-high-power-iot/
2026 Green Powered Challenge: Supercapacitor Enables High-Power IoT | Hackaday
With all the battery technologies and modern low-current sleep modes in most microcontrollers, running a sensor and microcontroller combo off-grid and far away...
2026 green poweredenables highchallengesupercapacitoriot
https://hackaday.com/2026/04/21/2026-green-powered-challenge-a-low-power-distraction-free-writing-tool/
2026 Green Powered Challenge: A Low Power Distraction Free Writing Tool | Hackaday
Distraction free writing tools are a reaction to the bells and whistles of the modern desktop computer, allowing the user to simply pick up the device and...
2026 green powereddistraction free writingchallengelowtool
https://hackaday.com/2026/04/27/2026-green-powered-challenge-adding-low-power-sleep-to-microcontrollers/
2026 Green Powered Challenge: Adding Low-Power Sleep To Microcontrollers | Hackaday
When building a project to operate on battery power for long periods of time, having a microcontroller with a reliable and extremely low-power sleep mode is...
2026 green poweredchallengeaddinglowsleep
https://hackaday.com/2026/04/24/2026-green-powered-challenge-solar-powered-pollution-monitor/
2026 Green Powered Challenge: Solar-Powered Pollution Monitor | Hackaday
As we learn more about all the nasty stuff floating in the air, it becomes more compelling to monitor the air for pollution levels. [Aleksei Tertychnyi] does...
2026 green poweredchallengesolarpollutionmonitor