Keep USB power banks alive when powering low-power projects with this pulsed constant current sink USB module.
https://blog.zakkemble.net/smart-power-bank-keep-alive/
Zak Kemble
Keep USB power banks alive when powering low-power projects with this pulsed constant current sink USB module.
https://blog.zakkemble.net/smart-power-bank-keep-alive/
Zak Kemble