But fiddling around with high voltage is something a lot of hackers ... ultimately display all the data he collects with his ESP32 energy monitor. Every 30 seconds, the hardware reports the ...

The backstory on [Tim O’Brien]’s DIY off-grid PV system starts with his desire to charge his eWheel, which amounts to a battery ... An ESP32 monitors the panel voltage and controls the ...

Waveshare has recently released the RoArm-M3-Pro and RoArm-M3-S, a 5+1 DOF high-torque ESP32 robotic arm kit. The main ...