ESP32 has a Hall sensor inside that can sense changes in the strength of the external magnetic field. The Hall sensor is connected to channel 8 of ADC1 of ESP32. The Hall sensor value can be obtained ...
I am a newbie, and I want to make a phase-locked amplifier with a reference signal frequency of 5MHz~7MHz. I have checked some information but still have no idea. Can any expert give me some advice?...
What is01Transparent transmission
The module is open and transparent to the user . No matter what is transmitted, the device used only acts as a channel .
Transmit the content to be transmitted intact...
Currently there is a generator power supply with an output voltage of about 5v/20uA, which cannot directly drive the back-end circuit.
Now I want to connect a supercapacitor to it. During the charging...
After building the environment yesterday, I wanted to compile the device tree I needed, but the compiled stuff cannot be started yet. Here is my compilation process. I built a virtual machine of Ubunt...