I am using an ADA4891-2 dual op amp, but I am only using one amplifier to amplify the signal by 10 times, leaving the other amplifier unused. The receipt manual says "Connect all unused amplifiers in
In the wild this small wind turbine circuit can be used to charge laptops, mobile phones, etc.
The circuit principle is that the bridge rectifier in the front rectifies the electricity from the wind t
USB has both charging and function, but when connected to PC, PC will enumerate and identify the device. If I only need the charging function and don't need the PC device, how can I do it? -----------
[i=s]This post was last edited by Aguilera on 2020-1-4 22:09[/i]Several C6414 chips are used on the Xinyan NXX board, two of which use the EMIFB interface to connect to the DM9000 chip to expand the n