A bar code reader (or bar code scanner) is an electronic device that can read and output printed barcodes to a computer. Like a flatbed scanner, it consists of a light source, a lens and a light sensor translating for optical impulses into electrical signals.
Can be used in supermarket, convenience store, warehouse, library, bookstore, healthcare for file management, inventory tracking and POS(point of sale), etc. Shock-resistant ABS plastic guarantees long service life. Easy grip and ergonomic design make for comfortable fit in your hand. Keyboard Wedge, Serial, Wand Emulation, USB. Supports USA and International keyboard country layouts. Easy to use for shops and warehouse…
This model has the cool ability to accept up to 6 different coins! For example, you can program it for 6 different US coins, or European, or Japanese OR you can have it accept 6 coins from different countries
A real-time clock / calendar and 31 bytes of static RAM, via a simple serial interface to communicate with the microcontroller. Real-time clock / calendar circuit provides seconds, minutes, hours, days, weeks, months, years of information, the number of days per month and new year automatically adjusted the number of days. Clock operation by AM / PM indicator decided to…
RTC DS3231 is a low-cost, extremely accurate I²C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping. Integrated oscillator improved long-term accuracy of the device and reduces the number of components of the production line. The DS3231 is available in commercial and…
A simple and easy to use Infra Red remote and Receiver module emits a modulated IR signal (38 kHz carrier frequency, 940 nm wavelength). It has 21 buttons, including directional and number entry buttons, and it uses the NEC encoding type and sends address bytes 0x00 and 0xBF followed by a data code between 0 and 26 (it skips 3, 7, 11,…
PS2 game joystick axis sensor module consists of using original quality metal PS2 joystick potentiometer system For the (X, Y) a 2-axis analog output and for (Z) 1 digital output channel button.
The SparkFun Joystick Shield Kit contains all the parts you need to enable your Arduino with a joystick! The shield sits on top of your Arduino and turns it into a simple controller. Five momentary push buttons (4+ joystick select button) and a two-axis thumb joystick gives your Arduino functionality on the level of old Nintendo controllers. Soldering is required,…
This 12-button keypad provides a useful human interface component for microcontroller projects. The buttons on a keypad are arranged in rows and columns. A 3X4 keypad has 4 rows and 3 columns.
This 16-button keypad provides a useful human interface component for microcontroller projects. The buttons on a keypad are arranged in rows and columns. A 4X4 keypad has 4 rows and 4 columns.
