10pcs 4x3 matrix

Buy 10Pcs 4x3 Matrix 12 Key Array Membrane Switch Keypad Keyboard for R178.75

Buy 10Pcs 4x4 16-Key Matrix Keypad Keyboard Module 16 Buttons for R295.00

Buy 10Pcs MAX7219 Dot Matrix Module Microcontroller LED Module Display Module MAX7219 DIY Kit for R665.00

Description: The HT16K33 is a memory mapping and multi-function LED controller driver. The max. Display segment numbers in the device is 128 patterns (16 segments and 8 commons) with a 13*3 (MAX.) matrix key scan circuit. The software configuration features of the HT16K33 makes it suitable for multiple LED applications including LED modules and display subsystems. The HT16K33 is compatible with most microcontrollers and communicates via a two-line bidirectional I2C-bus. Feature: Operating voltage: 4.5V~5.5V. Integrated RC oscillator. I2C-bus interface. 16*8 bits RAM for display data storage. Max. 16 x 8 patterns, 16 segments and 8 commons. R/W address auto increment. Max. 13 x 3 matrix key scanning. 16-step dimming circuit. Selection of 20/24/28-pin SOP package types. Applications: Industrial control indicators. Digital clocks, thermometers, counters, multimeters. Combo sets. VCR sets. Instrumentation readouts. Other consumer applications. LED Displays. Package included: 10 x Module

Description: 4 x 4 Matrix Push Buttons 4 independence push buttons 8 LEDS Size: 50 x 60mm Package Included: 10 x 8 LED 4 x 4 push buttons matrix keyboard 40 x Pillars 40 x Screws

4x3 MATRIX KEYPAD; ALPHA-NUMERIC LEGEND (0-9; *; #;A-Z); WHITE BEZEL; WHITE KEYTOP; BLACK CHARACTERS

4x3 MATRIX KEYPAD; ALPHA-NUMERIC LEGEND (0-9; *; #;A-Z); BLACK BEZEL; BLACK KEYTOP; WHITE CHARACTERS

4x3 MATRIX KEYBOARD / 12 KEYBOARD MEMBRANE SWITCH/BUTTON / 3x4 CONTROL PANEL MICROPROCESSOR KEYBOARD / SINGLE-CHIP EXPANSION KEYPAD.