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 =
...
For the home LED clock, a low-power sleep mode chip was selected mainly to save power, but the effect of the crystal oscillator frequency on the overall current is unknown, and the parameter standards...
Reprint: Anxinke open source team is dedicated to writing and sharing the initial technical exchange of ESP32-A1S offline voice1. Introduction2. Offline speech framework2.1 Algorithm model WakeNet and...
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 ...
In the circuit below, what are the functions of the resistors connected behind the rectifier bridge and the three resistors in the red box? What do they mean and what are their main functions?...
As shown in the picture below, does this Type-C female socket need to be mounted with a machine sticker?Some surface mount pins are hidden under the shell, what should I do when doing manual soldering...
ST - Low Power RF
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