A Solar-Only, Battery-Free Device That Harvests Energy from a BPW34 Photodiode https://hackaday.com/2025/08/10/a-solar-only-battery-free-device-that-harvests-energy-from-a-bpw34-photodiode/ #BQ25504ultra-low-powerboostconverter #BPW34SiliconPINphotodiode #bluetoothlowenergy #WirelessHacks #RadioHacks #SolarHacks #NordicnRF #hardware #mosfet
