When the Zener diode is stabilizing the voltage, by observing its volt-ampere characteristic curve, shouldn't its voltage stabilization value be negative?...
Hello everyone!There is a case now, which requires a high-voltage linear solution, North America, AC120V lamps. There are two sets of lights, main lights and night lights, which are controlled by wall...
Special highlight: Wowpen It is said to be the next generation input tool, with a pen-shaped design and a 50-meter wireless range. Actually, I don’t know how to use it. Special highlight: Sony VN-C...
RFID (Radio Frequency Identification), commonly known as "electronic tags", is a contactless automatic identification technology that automatically identifies the target object and obtains relevant da...
In the previous article , TCP was used to enable wireless communication between RVB2601 and ESP8266 board in the same LAN, and RVB2601 was used to control the on and off of the LED light of ESP8266 bo...