OPEN-SMART R3 DIY Module ATmega328P Programmer Development Board Built in Bootloader Compatible for 328P Board Diagnostic Tools and Equipments activating the light by tightening

activating the light by tightening its twist-able head and changing its output mode by loosening and re-tightening the head

You can search for the app in the app store

input and output is with optoelectronic isolation

the device screen will auotomatically light up

OPEN-SMART R3 DIY Module ATmega328P Programmer Development Board Built in Bootloader Compatible for 328P Board Diagnostic Tools and Equipments activating the light by tighteningWholesale electronics best price, bulk price,wholesale accessories Description Note: If you want to place the bulk order that the stock is not enough, please contact with us. It has been burned bootloader compatible for 328P Board. It uses a locking seat, so it is easy to replace the chip. You can use FT232 USB to TTL module, CH340G module, to burn the program. The USB port onboard is only for supplying power but not uploading code. The program,