[i=s]This post was last edited by eew_7QI3Yq on 2022-10-17 15:02[/i]Title of Work
IoT development based on Raspberry Pi educational kit
Author: eew_7QI3YqIntroductionIn this competition, we applied fo...
CH32V103 has PWM output function, which is very important in stand-alone control and other applications. But the experimental results confuse me.
Refer to the content of the example C:\CH32V103EVT\EVT...
Why can passive filters filter?
The essence of a filter's ability to filter is to select frequencies by causing reflections and losses through the construction of specific impedance characteristics.
F...
The chip resistors on the circuit board are marked with resistance values, but the chip ceramic capacitors do not have any markings.The capacitor installed on the circuit board is suspected to be dama...
[i=s]This post was last edited by Beifang on 2021-9-3 10:55[/i]Read PDM audio signal
1. Introduction to PDM
As shown below, PDM is a serial audio data format parallel to I2S, replacing the traditional...