Help with Relays and transistors fault

Job ID: 34317913

Budget: $10 – $30 USD

If you have knowledge with These modules:
https://www.aliexpress.com/item/32555809080.html?spm=a2g0o.cart.0.0.3d0d38daqr7StB&mp=1

and also knowledge with transistors.

please contact me.

Related categories: C Programming Electronics Microcontroller Arduino STM32