Could you tell me how to control the switching circuit switch closed
Look at nor received a MCU pin
Online and so on, is very urgent,,

CodePudding user response:

See the specific use of the device, may be a jumper to risk, dial the code switch, short contact

CodePudding user response:

With this symbol, probably is a manual switch,,

CodePudding user response:

Also may be mechanical self-locking switch, press will lock in the open, then click on the automatically bounce off, the circuit in the disconnect, comparatively common power supply side switch, if you want to access programming control chip, is usually a light touch switch, but light touch switch directly to on and off the power supply circuit, also have a electronic switch...