The  IR led made of gallium arsenide or aluminium gallium arsenide  is a high intensity diode , molded in a water clear plastic package.It is used in Smoke detector ,infrared applied system, and making of line tracking robots etc. It is Pb free with 5mm length  and has 2.54mm Lead spacing . 

A 5mm photodiode is a semiconductor device that converts light into voltage or current, based on the mode of operation of the device. It has fast response times with high speed detector and radiant sensitivity. It can be used in camera , medical devices, safety equipment’s making of line robots etc.

 The 3mm IR led made of gallium arsenide or aluminium gallium arsenide  is  a high intensity diode , molded in a water clear plastic package.It  is used in Smoke detector ,infrared applied system, and making of line tracking robots etc. It is Pb free and has 2.54mm Lead spacing.

A 3mm photodiode is a semiconductor device that converts light into voltage or current, based on the mode of operation of the device. It has fast response times with high speed detector and radiant sensitivity. It can be used in Game machine, Automatic door sensor, Copier etc.

The LED Matrix with Controller is an 8 X 8 LED Dot Matrix Display Module based on the MAX7219 controller. It includes of 5 wire fem to fem ribbon cable. These displays also can be connected together to form a larger display without taking up extra pins. This Module can be perfect choice for an Arduino project requiring a LED display. 

The 1.3 inch OLED (Organic Light –Emitting Diode) LCD display module use SH1106 Driver module. It is a self-light emitting technology with multi layered organic film placed between an anode and cathode. It has high application potential for virtually all types of displays with ultra-low power consumption feature.

The 7 segment led display is 1 digit Led display with high intensity output. It is used for displaying decimal numerals that is an alternative to the more complex dot matrix displays. It consumption low power with easy assemble on a printed circuit board.

ESP32 Oled Display is 2.4 GHz dual mode Wi-Fi and Bluetooth integrated with antenna and RF balun. It has features like power amplifier, low noise amplifiers. It is easy to embedded to other products and supports lwIP protocol, freertos , for lua program.

The 4-digit 7-segment display is a seven digit display module that has a common anode with feature of one decimal point per digit. These LEDs have a forward voltage of DC-3v and max forward current of 20mA. The apostrophe and colon points are individually controllable.  The hardware interface is composed of sixteen (two rows of eight) hole- pins. The LEDs display can be in RED, Yellow or Green.

The LED Faucet Light is a device that gets light up when tap is turned on. The power comes through turbine drive by water pressure. The color of the lighting changes depending on the temperature of the water. It can be suitable in bathroom or kitchen to make it fantastic.

The RGB LED is a triple output LED RGB(Red Green Blue) with four pins. Triple output one for each color with a common cathode. It can be used for three status indicators or pulse width that modulates all three and gets mixed colors.

The 8 x 8 RGB LED Dot Matrix Module is a RGB Led Dot Matrix Module. It is useful for both industrial and commercial information displays. It has features like :- directly supports Arduino, High speed data transmission design which improves the display refresh rate, simplifies the driving way and so on. It is applicable in various sectors like :- Arduino teaching, DIY project development, SCM learning and experiment and many more.