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I/O devices are the pieces of hardware used by a human (or other system) to communicate with a computer or a robot. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations.
The designation of a device as either input or output depends on perspective. Mouse and keyboards take physical movements that the human user outputs and convert them into input signals that a computer can understand; the output from these devices is the computer's input. Similarly, printers and monitors take signals that a computer outputs as input, and they convert these signals into a representation that human users can understand. From the human user's perspective, the process of reading or seeing these representations is receiving output; this type of interaction between computers and humans is studied in the field of human–computer interaction.
Pin: GND: power supply VCC: DC 3.3-5V SCL: SPI Clock Cable SDA:SPI Data Cable RES: Reset DC: SPI Choice/ Command Choice BLK:Backlight control, ...View full details
The TM1637 4 Bits Digital Tube LED Display Module is an affordable solution for displaying the output data of your Arduino project. Though the data...View full details
Features: Size (mm) : 5mm Lens Colour : Water Clear Peak Wave Length (nm) : 620~630 Forward Voltage (V) : 1.8~2.2 Reverse Current (uA) : <=30 L...View full details
This is the 3.5 inch touch screen for Arduino UNO and MEGA. It use 8-bit parallel bus, faster than serial SPI refresh , support 16-bit RGB 65K colo...View full details
NE555 + CD4017 Water Flowing Light LED Module DIY Kit comes with all the components you need to assemble and solder a running LED module. It has a ...View full details
Most displays require a lot of connection pins. That is quite complex and does not leave much space for other sensors or modules to connect with th...View full details
This 4 digit seven segment display module is controlled using 74HC595 Shift Register. The module uses a single standard 4 digit seven segment displ...View full details
This is 13.56MHz RFID IC Key Tag. The RFID technology is used for sensing and identifying tagged people and objects for access control, automation,...View full details
One problem with using a typical LCD display is that you give up a lot of GPIO pins to talk to the LCD. Four pins are used to send data, two pins a...View full details
This is the 2.4 inch touch screen for Arduino UNO and MEGA. It use 8-bit parallel bus, faster than serial SPI refresh , support 16-bit RGB 65K colo...View full details
Spice up your Arduino project with a beautiful large touchscreen display shield with built in microSD card connection. This TFT display is big (2.8...View full details
Function: Only need 3-wire control. Adapts TM1638 digital tube drive chip. Common anode LED digital tube. Only need three common IO and could dr...View full details