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It can drive up to 4 bi-directional DC motors with individual 8-bit speed selection (so
built-in 10-bit ADC and a converter USB-UART
It has installed software NodeMCU which enables programming with the Lua script language or using the Arduino IDE
PS and cellular connections often use SMA
Magnetic Reed Switch (Y213) TCRT5000 It can drive up toIntroduction : Magnetic Reed Switch (Y213) is adry reed switches have been hermetically sealed in a gas filled glass envelope. It feature single pole, single throw, normally open contacts. Magnetic Reed Switch (Y213) switching mechanism is comprised of two ferromagnetic blades, separated by only a few microns. When a magnet approaches these blades, the two blades pull towards each other. Once touching, the blades close, allowing electricity to flow.
US$ 25.95
US$ 82.95
US$ 59.95
US$ 25.95