DIY USB 5V Solar Power Bank

https://www.electronics-lab.com/diy-usb-5v-solar-power-bank/

Abdulgafur tipped us with his latest project, a 5V solar powered power bank. The circuit consists of two stages, the first stage is the battery charger stage based on MCP73831 and the second stage is the step up converter based on LT1302-5 which converts the battery voltage to 5V. Solar energy is renewable, free, widely […]