Last time I drove a DHT11 and used the serial port to output temperature and humidity. In order to display the sensor information, I added a 0.96-inch OLED screen to display it. It was still the last
Attached is the specification of the step-down constant current chip used to drive LEDs. I want to use this chip to drive multiple LEDs, such as four RGBW channels. I thought of a way to use four MOS
It took me several days to test the LIS2MDL magnetometer. I encountered a problem with the display of data. The value returned from the sensor is a 16-bit signed integer. At first, I used binary metho
When the 280049 chip uses TI's library function, the register settings do not change after SPIA initialization, all are 0. At this time, you need to enable SPIA or SPIB. This problem has troubled me f