Newbiehack-Input Devices-4X4keypad-Inputdevice

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4x4 Keypad with Adhesive Backing

$3.80

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Tactile momentary push button switch 6 mm x 6 mm (through hole)

LED Button Tactile Switch

$1.89

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Thumbnail: quad buffer line driver 74HC126E

Quad Buffer Line Driver (Through Hole)

$0.69

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USB 2.0 Cable 10 Foot Type A Male to Type B Male

USB 2.0 Cable Type A Male to Type B Male - 10 FT

$4.80

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3 Foot USB Cable Type A to USB Cable Type A

USB Cable Type A Male to USB Type A Male - 3 FT

$2.65

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Type K Thermocouple - Temperature Sensor

$4.95

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84 oz-in NEMA 17 Stepping motors (also called stepper motor)

Atmega324P

$8.50

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4x4 Keypad with Adhesive Backing

4x4 keypad view of the back of the keypad.

4x4 keypad with the adhesive backing exposed.

Introduction:

4X4 Keypad there are 4 connections for the rows and 4 connection for the columns.

Description:

Similar to a push button is array of keys are all tied together and will provide continuity with the rows and column. This allows the 16 key to be read using only 8 connections. The method to get the key pressed is to scan the rows and columns.

4x4 Keypad with Adhesive Backing

$3.80

Qty:

Learn about the 4x4 Keypad with Adhesive Backing

General Description of Microcontrollers

A general explanation of the uses and applications of microcontrollers. Microcontrollers can be used to: sense the environment using sensors, control other components with general purpose output pins,...

AVR Microcontroller and Pin Assignments

Introduction to the Atmel Atmega32 AVR microcontroller and the pin assignments (what each pin of the chip does). The pins include PORTs (PORTA, PORTB, PORTC and PORTD) and 8 pins for each port, ADC (...

Concept of Transferring a Program to a Microcontroller

Introduction to the concept of transfering a program from the computer to the microcontroller using a programmer like the USBTiny.

Introduction to Programmers (USBTiny) for Microcontrollers

Introduction to programmers line the USBTiny and the Pocket AVR and that this device is plugged into the computer and to the microcontroller (chip) to transfer the program from the computer to the mic...

Microcontroller Programmer Described

Description of a microcontroller programmer, specifically the USBTiny AVR pocket Progrmmer from SparkFun.com and the USBTiny from adafruit industries.

Learn the Fundamentals of Mechatronics!

4x4 Keypad with Adhesive Backing

Learn about the 4x4 Keypad with Adhesive Backing