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Charge Monster DIY build the ultimate high-power lithium accumulator and powerbank

Learn how to assemble powerful lithium accumulators for any device, from e-bikes and scooters to power tools and solar panels ...
Elektor Magazine

Designing a Reliable Temperature and Humidity Node for IoT Projects

Tired of condensation wrecking your shed tools or greenhouse gear? I built a no-frills ESP32 + DHT22 node that wakes every 15 minutes, grabs temp/humidity data, beams it over Wi-Fi, and sleeps—running ...