I wrote an Android app and used the following Android code to send a character. I want to know which callback of Bluenrg will be called after sending the character?
BluetoothGattService gattService =
As shown in the figure below, NMOS and PMOS are used as a protection circuit to prevent reverse connection of the power supply. [1] The circuit diagram of the PMOS tube is easy to understand. For the
The DAC12 module of MSP430 can convert the result of operation processing into analog quantity to operate the working process of the controlled object. DA is one of the commonly used devices in the co
Xia Xian; Bachelor degree, 35 years old, graduated in mechanical and electrical engineering, more than 8 years of experience in CNC machine tool development and design, proficient in solidworks drawin