4*4 Electronic Keypad Keyboard 16 Buttons Matrix Module Kit With 8 I/o Ports

US $6.47

Shenzhen, China
Aug 13th

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In the application system of microcontroller, keyboard is essential in man-machine dialogue. When you are short of a button, you can connect one to the I/O port of the comtroller; but when you need a lot of buttons with limited I/O port resources, this 4*4 Matrix Keypad is no doubt your best choice. 4*4 matrix keypad is the most applied keypad form. The key layout is in matrix form, so with only eight I/O ports, we can identify 16 buttons, saving lots of I/O port resources Description: 4*4 matrix keypad Eight I/O ports, can identify 16 buttons Size: (approx.) 49 x 39 x 8mm/ 1.93*1.54*0.3inch Material: Fibreboard Specification: Circuit grade: 35V(DC),100mA,1W Contact resistance: 10&;~ 500&;(changing with wire length and materials) Insulation resistance: 100M&; 100V Dielectric Strength: 250VRms(50~60Hz 1min) Electrical shock shaking time: < 5ms Service life: Tactility type: ≥ 1 million times Operating pressure: Tactility type: 170~397g(6~14oz) Switching path: Tactility type: 0.6~1.5mm Operating temperature: -40~+80 Storage temperature: -40~+80 Temperature: 40, 90%~95%, 240H Vibration: 20G,max.(10~200Hz,Mil-SLD-202,M204.Condition B) Package includes: 1 x Matrix Keypad SKU: DJY0029941251002742 Shipping And Handling Policy The buyer is responsible for any applicable import duties and local taxes. Please verify with your customs before making your purchase. Please verify your address during checkout. We are not responsible for any wrong or undeliverable addresses. People always bought together with

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Brand	Unbranded
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