Product Information

MR-MINI-4X4KEY

MR-MINI-4X4KEY electronic component of Gravitech

Datasheet
Daughter Cards & OEM Boards 4X4 MATRIX KEYBOARD BOARD

Manufacturer: Gravitech
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 16.2344 ea
Line Total: USD 16.23

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
0 - Global Stock


Ships to you between Thu. 09 May to Mon. 13 May

MOQ : 1
Multiples : 1

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MR-MINI-4X4KEY
Gravitech

1 : USD 16.6257

     
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TM MR-MINI-4x4KEY Mini 4x4 Matrix Keyboard BOARD User Manual GRAVITECH.US uResearch GRAVITECH GROUP Copyright 2007 MicroResearch GRAVITECH GROUP WWW.GRAVITECH.US TM MR-MINI-4x4KEY Mini 4x4 Matrix Keyboard BOARD User Manual Pin out: Description The MR-MINI-4x4KEY is a 4x4 matrix keyboard module. It is 10-PIN MRconnect ready. It has 8 pins to interface with MCU (microcontroller). PIN1-PIN4 (COLUMN) is INPUT for MCU to reads the status of key pressing. PIN5-PIN8 (ROW) is OUTPUT for MCU to send logic LOW to scan key press on each row. MCU operation is sending logic LOW into each keys ROW (PIN5-PIN8). The FIG 1: Top view pin out MCU is then reading the status of key press from PIN1-PIN4. If any key is pressed, the Name Type Description status read logic LOW, otherwise the logic is Pin1-Pin4 Output Key press output status HIGH. PCB size is 2.20 x 1.70 Pin5-Pin8 Input Scan key press input +VCC PWR Supply voltage (3-5VDC) Specifications: NC NC No connect 10-PIN MRconnect ready Accessories +3.0V to +5VDC supply voltage On-board pulled-up resistors Small and compact in size All of the accessories are available for Four mounting holes on each corner purchase via our website. If you dont see the item you need, please contract our sales department at sales gravitech.us MR-10RC-FF 10-PIN 12 ribbon cable. Copyright 2007 MicroResearch GRAVITECH GROUP WWW.GRAVITECH.US

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free

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