A 4x4 matrix keypad requiring eight Input/Output ports for interfacing isused as an example. Rows are connected to Peripheral Input/Output (PIO) pins configured as output. Columns are connected to PIO pins configured as input with interrupts. In this configuration, four pull-up resistors must be added in order to apply a high level on the corresponding input pins.

Note: The color of the PCB may vary. However the circuit/pinout of the PCB will remain same.

Order Code : RDL/4X4KP/13/001/V2.0

It has 4 keys which can be connected to any microcontroller or any interfacing kit directly. KEY is a small key pad designed to data entries for microcontroller board.The board has 6-pin header for 6-wire ribbon cable. By default the switch status would be pulled up, every time you press a key the corresponding switch header changes its state to the common header in the board.

Order Code : RDL/4SW/13/001/V1.1

This double sided pinboard features one side of the patch is 16 pin -60 pin turn DIP, 0.5mm spacing and the other side is 32 pin,44PIN, 64 pin, pitch 0.8mm pitch.

Order Code : RDL/TQFP/14/001/V1.0

This is a wonderful little SD card interface module. It is easily interfaced as a peripheral to your module. Through programming, you can read and write to the SD card.All SD Card works on 3V interface.

Order Code : RDL/SDBB5V/14/001/V1.0

LiFi Visible Light Technology is a very innovative technology known as 'LiFi' or 'Light Fidelity’ or VLC (visible light communication), which transfer the data through the light as a medium.

Order Code: RDL/LIFI/13/001/V1.0

Take a Look at the Updated Version of LiFi Here