After changing GW2A to GW1N, the Gaoyun official example program reported the following error when compiled because the corresponding IP was reset:
ERROR (EX0311) : Invalid VCO frequency "(FCLKIN*(FBD
To do Bluetooth communication, the app layer needs to connect and communicate silently, recording the painful exploration in recent days.
1. Search forBluetooth devicesBluetoothAdapter bluetoothAdapte
if(Bianxing[0]>0) Bianxing[0]--; There are two sentences in the program. The array Bianxing[6] is long int. When debugging, I found that if Bianxing[0]=1, it will become 0XBF80000 after decrementing.
There is a question I have always wanted to ask. In a circuit board, if I have already filtered the wave at the power supply and processed it, can I add a few less capacitors at the MCU? For example,