1×5 key switch Membrane Matrix KeyPad + LED Arduino PIC Pi ARM UK Seller
Our membrane keypad provides 5 keys on an 7-way socket connector using a matrix system to detect which key has been pressed. This Keypad also feature a green Led
The matrix keypad is wired via a flexible ribbon to an 7 way header socket.
The keypad can be stuck to a hard surface using the sticky pad provided to provide a hard backing to the keypad – making it easier to press and use the keys.
The matrix is wired as follows:
Pressing Key Auto will make a close contact between pin 3 and pin 7
Pressing Key Right will make a close contact between pin 3 and pin 2
To power the LED supply a positive power to Pin 3 and Ground to Pin 1
LED is rated at 2.65v at 20ma, please use a suitable current limiting resistor
Perfect for adding user input to your projects or as a replacement to worn keypads.
Max contact rating: DC 35V, 100mA
LED: 2.65v 20ma MAX.
Dielectric withstand: 250VRms (50-60Hz, 1 min)
Insulation resistance: > 100M Ohm, 100V
Contact bounce: <=5ms
Life expectancy: 1 million closures
Operating temperature: -40 ~ +80°C
Connector type: 7 way socket header
Important Note Before you decide to Buy: This item is provided with NO instructions or data sheets. We are unable to provide any technical support, it is therefore essential that you have the resources available to make use of this item and how it operates within the electrical specifications. We check and test each item, we are therefore unable to accept any returns based on a faulty module.
This item will be fully tested including the LED prior to despatch. Buy with confidence.
6) When upgrading to 1st class post, (if the option is available), please note this is sent via Royal Mail and is not a guaranteed next day service. If you need a 48hr service please select 48hr delivery at extra cost. This will be sent via Royal Mail or courier. I do not offer a 24hr service. No weekend or public bank holiday deliveries.
7) We attempt to send out all orders received before 10.00am. This excludes weekends and public holidays.
**** Important note **** Some sellers claim the stock is in the UK, please be careful, the seller is often in China and sends the item to a UK agent who then forwards the item on with a UK stamp. Check where the seller is located not just the item location. All my items are physically with me, here in the UK and I offer a quick delivery and communication within the UK.
During busy periods there maybe a delay in delivering your package by Royal Mail. I apologies in adavnce for any inconvenience but would like to point this out before you place your order.