546 Oval Blue LED(300-400mcd) (Pack of 1000)It is a general purpose 546 Oval Blue Colour LED, Its Forward voltage is 2. 8V to 3. 4V and it is a Through Hole LED. These LEDs are used for general purpose in electronic circuits, modules, devices, indicator lights, and many other devices. These LEDs have two terminals Anode(+) and Cathode( ). It is a low power consumption with a wide viewing angle Ideal for backlight and indicator. The most common Applications of these LEDs is as Power indications,

Sleep mode Long touch to turn off button backlight

the system can readily communicate with a wide range of peripherals

crystal lamp

in order to learn more remote control

Connector Type RCA Plug Variant Male Colour  Yellow

This rocker switch has three positions - the default center position

This 24 Volts operated 4 Channel Relay Module is an interface board any controller like Arduino

The LM7809 is a three-pin IC

This 40mm Heat Shrink Sleeve is ideal for insulation

This is a SMD Resistor with a resistance of 0

Slave mode is configured

4CH Channel 433Mhz Wireless Remote Control Switch Receiver 1 Transmitter Wireless 433MHz 12V 4 Channel Relay Module with RF Remote Management A wireless remote can control a switch without a battery through a wireless RF connection