- https://www.seeedstudio.com/0-5W-Solar-Panel-55x70.html
 - MECCANIXITY Mini Solar Panel Cell 3V 125mA 0.375W 52mm x 52mm for DIY Electric Power Project Pack of 10
 - AOSHIKE 10Pcs 3V 120mA Micro Solar Panels Cells DIY Solar Epoxy Plate Electric Toy Materials Photovoltaic Cells Charger 60mmx55mm/2.36"x2.16"
 
- ATtiny85
 - Arduino Pro Mini ( ATMEGA328P 3,3 V 8MHz)
 - Microbit
 
DFRobot Solar Power Manager Micro V1.0 (SKU: DFR0579): This is a micro power solar power management module for low-power sensors and controllers. It is suitable for 1V/2V/3V Solar Panels within 0.5W. Applications include wireless sensor networks and BLE iBeacons.