WS2818A RGB Addressable LED Pixel Strip Light 5V DC ProgrammableWS2818A is a 3 channel LED driver control circuit, its internal includes an intelligent digital port data latch and signal reshaping amplification drive circuit. Also includes a precision internal oscillator and a 12V voltage programmable constant current control part, which achieves a highly consistent color effect. WS2818A has strong features in Signal Break point Continuous Transmission, it adopts dual signal transmission, and these signals are

2k ohm 1/4W and tolerance of ±1%

These are Metal Film Resistor with a value of 510 ohm 1/4W and tolerance of ±1%

PWM duty cycle: 1% -100%

2 ohm Color Code Red

Service: Central & Peripheral UUID FFE0

6W Capacitance 450pF AC Vrms 320V DC Voltage 410V Mounting Type Through Hole

active low

anode and cathode for powering the LED

15L High Flow 555 Vaccum Pump

It's an updated version of the popular Arduino UNO R3 board

The switch also has one 12V output through which you can connect a 12V fan or led light

They're also used as safety switches