Tdv26 Instruction Manual [verified]

Automatically switches when you insert a Micro SD card or USB stick Line-In (Aux): Allows you to use the as a speaker for your phone or laptop using a 3.5mm cable .

The TDV26 excels at logging. To record readings every second for 24 hours: tdv26 instruction manual

Describe what the device looks like (pins, buttons, display, any logo) and what it controls. I can help you deduce the programming logic. Automatically switches when you insert a Micro SD