You can check the price history of 4x4 Matrix Membrane Keypad 16 Key Module Array Switch | DIYmalls 4x4 Matrix Membrane Keypad 16 Key Keyboard Module Array Switch for Arduino ESP32 Development Board here. This product's current Price in USA is $7.89. The average and highest prices are $7.89 and $7.89 respectively.
4x4 keypad is widely used in Password security system, Wired remote controlled robot, Electronic voting machine, Generating external interrupt, Musical keypad etc.
You can use the regular 2.54mm jumper wire male to solder it with the 16 keys matrix keypad., like shown on image.
You don't need the outer two pins on the left and right for wiring. It's the inner 8 pins that matter.
If you solder on a header, we highly recommend laying down some flux on the pads first, inserting the header pins, then soldering.
If you have any problem, please click "DIYmalls"(you can find "Sold by DIYmalls" under Buy Now button), in the new page, click "Ask a question".
Images
×
Rating and Reviews
6.8Based on 52 reviews
4x4 Matrix Membrane Keypad 16 Key Module has 6.8 rating out of 10. This average rating is consist of 52 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.