GitHub - ZakKemble/SmartPowerBankKeepAlive: Keep USB power banks alive when powering low-power projects with this pulsed constant current sink USB module.
Sotabeams USB battery pack keep-alive load | Battery Pack Load | Ham Radio Accessories
Power Bank Keep-Alive based on 555 Timer (SMD) from Colin Hickey on Tindie
Power Bank Keep-Alive based on 555 Timer - Eplop Electronics
Smart Power Bank Keep-Alive | Zak's Electronics Blog
Network KeepAlive - Apps on Google Play
USB Made Simple - Part 3
Power Bank "Keep-Alive" - Hackster.io
Smart Power Bank Keep-Alive - Electronics-Lab.com
Smart Power Bank Keep-Alive | Zak's Electronics Blog