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Minicomputer UP Squared V2 2GB RAM + 32GB eMMC Intel Celeron N6210
Index: AAE-24033
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Membrane keyboards
Membrane keyboards are one of the most popular keyboard types today. They are comfortable to use, practical and inexpensive, and allow the use of waterproof and dustproof coatings, key backlighting and other useful functions. In this category you will find a wide selection of membrane keyboards from renowned manufacturers such as Waveshare and DFRobot. The products available in our shop can be used, for example, for programming single disc computers or in other electronic projects.
Products: 14
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Membrane Switch Keypad 1 Key - red
Membrane keypad with one red key . The keyboard is equipped with a 90 mm long connection tape, the tape itself is finished with a female connector with a raster 2.54 mm...
Index: DNG-16991
Index: DNG-16991
Membrane keypad - 1 green key - self-adhesive
Keyboard with single round key in green. Dimensions of the module itself are 23 x 20 mm . The keypad's outlines are made in the form of a 90 mm long tape with a 2-pin...
Index: DNG-16992
Index: DNG-16992
Membrane keypad - 1 yellow key - self-adhesive
A membrane keypad with one key in yellow equipped with adhesive tape. To connect the keyboard to the main module, a tape ended with a 2-pin female connector is used, which...
Index: DNG-16989
Index: DNG-16989
Numeric self-adhesive membrane keypad - 4 keys
Simple numeric keypad with numbers: 1 to 4. Self-adhesive tape on the back for easy installation.
Index: MOD-04266
Index: MOD-04266
Membrane keypad - 2 coloured buttons - self-adhesive
Keyboard equipped with two colored buttons. Keyboard leads are made in the form of a connection tape finished with 3-pin raster 2.54 mm . Plug located at the end of the...
Index: DNG-16993
Index: DNG-16993
Numeric keypad, self-adhesive, 12 keys
Simple numeric keyboard with the numbers from 0 to 9 and the signs: * and #. The reverse side has a self-adhesive tape for facilitating the installation.
Index: MOD-01681
Index: MOD-01681
Membrane keypad - 4 coloured keys - self-adhesive
Furniture keyboard with 4 coloured buttons, to connect the keyboard a tape ended with a 5-pin female connector is used. Raster of the connector leads is 2.54 mm . The...
Index: DNG-16996
Index: DNG-16996
Membrane keypad - 2 coloured buttons with arrows - self-adhesive
Diaphragm keypad with two buttons in red and yellow, additionally there are arrows on the buttons up and down . Thanks to the navigation arrows, the keyboard is perfect as...
Index: DNG-16994
Index: DNG-16994
Membrane 4x5 keypad - 20 keys - self-adhesive
A small membrane keypad with 20 keys in a 4 x 5 layout. The keys on the keypad are numbers: from 0 to 9 , two function keys F1 and F2 , special characters: * and # ,...
Index: DNG-16997
Index: DNG-16997
Membrane keypad - 1 blue key - self-adhesive
The keyboard with one key in blue has been equipped with a self-adhesive tape which allows to place the keyboard on any surface and in any place. The connectors of the...
Index: DNG-16988
Index: DNG-16988
Membrane keypad - 1 grey key - self-adhesive
The keyboard is equipped with a single round key in grey . On the back there is a layer of adhesive tape. Equipped with 94 mm long tape with a 2-pin plug with a 2.54 mm...
Index: DNG-17118
Index: DNG-17118
Membrane keypad - 3 coloured buttons - self-adhesive
Equipped with 3 colour membrane keypad buttons . Simple input device allowing to control projects e.g. based on Arduino or STM32. Keyboard leads are made in the form of 90 mm...
Index: DNG-16995
Index: DNG-16995
Self-adhesive membrane keypad - 1 "SOS" key
Membrane keyboard has one button labeled "SOS". On its back is the tape to facilitate mounting.
Index: MOD-09914
Index: MOD-09914
Self-adhesive membrane keyboard 4x4 - 16 keys
Diaphragm keypad equipped with 16 keys in 4 x 4 arrangement . It has numbers: from 0 to 9, letters: A, B, C, D and special characters: * i #. On the back of the keyboard there...
Index: DNG-17119
Index: DNG-17119
How does a membrane keypad work?
As with a traditional mechanical keyboard, pressing a button on a membrane keypad closes the electrical circuit and sends the appropriate signal to the control system. However, in this case, underneath the buttons, there are no independent switches recording the button press, but only a layer of special polycarbonate or polyester film with printed conductive paths, which is usually made by screen-printing from electrically conductive varnish (usually containing microscopic silver flakes). Similarly to the paths, the prints placed on the keyboard façade (external side visible to the user) are printed underneath the foil, so they do not wear off during use and make the whole look more aesthetic. Interestingly, despite the lack of such a need on the technical side, membrane keyboards can be equipped with extruded buttons, which increases the comfort of use (especially for people accustomed to using traditional mechanical keyboards or hybrid models).
Membrane keyboards - advantages
The main advantages of membrane keyboards include their resistance to various external factors. Since the individual keys do not have to be separated from each other, it is possible to create a product that is completely resistant to flooding and most chemicals, as well as dust, food crumbs or other contaminants. This also makes it easier to keep the keyboard clean, as in many cases it can be simply wet wiped off like other surfaces. The membrane keyboard is also very thin, so it takes up very little space and is ideal for projects or equipment where miniaturization of the components used is important. Such keyboards are very aesthetic and allow you to create buttons of virtually any shape, pattern and colour. Typical durability of this type of product is about ten to twenty million clicks. Membrane keyboards are also the cheapest of the types available on the market, which enables their wide application.
Application of membrane keyboards
Membrane keyboards are used in many applications - among others as peripheral accessories in computers and microcontrollers as control panels in measuring instruments or control buttons in microwaves, refrigerators, industrial machines and many other electronic devices. They are most often used in cases where it is necessary to limit the amount of space occupied by the keyboard (especially when it is to be as flat as possible). Membrane keyboards are also a good choice for applications requiring increased resistance to adverse external factors - moisture, dust, extreme temperatures or the presence of harmful chemicals. Therefore, they are used in circumstances where conditions are extremely difficult, for example in machines used in production halls in industrial plants or in laboratories and workshops.
What membrane keyboards can you find in Botland?
Our range includes a large selection of membrane keyboards from renowned manufacturers such as DFRobot and Waveshare. We offer models with different number of buttons (from one to twenty), which are designed to be used as monostable switches in electronic projects or interfaces for programming microcontrollers and single-board computers such as Arduino or Raspberry Pi. Some membrane keyboards available in this category are additionally equipped with a practical self-adhesive foil that makes it easy to mount in the desired position. In other sections of our shop you will also find a wide range of other types of keyboards and switches that can be used in creating various electronic designs.