NodeMcu V3 е изграден с ESP8266 базиран WiFi модул. Има 10 GPIO порта, 4MB Flash, два бутона, micro USB конектор и вградена PCB антена.Платката е с ра..
1. As a square wave signal generator,generates a square wave signal used for experimental development.2. Used to drive a stepper motor for generating ..
Note: This switch needs the neutral line to installMain Features:1. Infrared sensor: no need to touch the switch, more technology
2. Air operation: a..
Notes1. Object within inspection range keep moving will not trigger the alarm,to avoid frequent notifications disturbing you and your family.
2.After..
Model: KY-003. Working voltage: DC 5V.Hall switch integrated circuit using hall effect principle.Its Input For the Magnetic Induction Intensity, the O..
1: The new United States imported chips, definitely not homemade chips, disassemble chip.2: The maximum output current 3A, long-running 2.1A, sufficie..