Background: The op amp uses positive feedback to set the hysteresis threshold. The signal to be compared is input into the negative terminal of the op amp, and the output of the op amp drives an NMOS ...
There is a shortage of chips but no shortage of new products. The pace of manufacturers releasing new products does not seem to be affected at all, and our forum friends have not stopped paying attent...
EFR32BG22 is a Bluetooth chip from Silicon Labs that can implement BLE host and slave functions. It contains a cortex-M33 core.
To use EFR32BG22, you need to use its supporting IDE, "simplicity studio...
The input is 3.3V TTL high and low level. The Darlington output should be the opposite level of TTL. I checked and it is always in the same state. What's going on?Also, the PMOS at the back end is alw...
BIPES is an open source project that integrates Google Blockly, WebREPL, MicroPython, documentation, an IOT platform for sending and viewing data, an enhanced web file manager using WebREPL and an onl...