The Sailor Hat ESP32 Development Board is a powerful microcontroller development board suitable for marine environments.Using the SH-ESP32, it is easy to create a variety of sensor and control interfa
1. Open the project file under the example BLE_UART. Write BLE_UART.hex to the chip.2. Turn on Bluetooth on your phone and install BLEAssist.apk.3. Connect the RXD of the USB to serial port to PA5 of
(1) Crossing circuits are not allowed in printed circuits. For lines that may cross, there are two ways to solve it: "drilling" and "winding". That is, let a lead "drill" through the gap under other r