Raspberry Pi itself is a miniature computer . People have been trying different ways to use it to realize a multifunctional computer. Today we bring you a Raspberry Pi handheld PC based on ESP32-S2, w...
There are two IEEE addresses in CC2530/CC2538/CC2630, one is called Primary IEEE address, the other is called Secondary address. Primary IEEE address is stored in Information Page of chip, this addres...
It is estimated that VoIP will account for 40% of global telecommunications traffic by 2008. However, there are still many problems with VoIP in China: Can it reach the quality of traditional telephon...
The specific situation is as follows: a 4-way composite is used, and the bias voltage is in the form of external resistor voltage division. However, after powering on, I used an oscilloscope to measur...
For more than 20 years, Texas Instruments' SIMPLE SWITCHER LM257x and LM259x regulators have been a popular choice for DC/DC step-down regulation. Because of their popularity, some manufacturers have ...