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๐ง Unlock precision control with every tap โ your projectโs secret weapon!
This 4x3 matrix 12-key membrane keypad module offers a compact, durable input solution compatible with Arduino and other microcontrollers. Featuring numbers 0-9 plus star and hash keys, it enables quick integration into electronic projects without wiring complexity. Ideal for access control, alarm systems, and device control, it combines reliability with plug-and-play convenience.
| ASIN | B08BBXH6NM |
| Additional Features | arch support |
| Antenna Location | Alarm system control, Access control, Device control |
| Best Sellers Rank | #157,716 in Computers ( See Top 100 in Computers ) #4,702 in Computer Keyboards |
| Brand | HALJIA |
| Built-In Media | USB Cable |
| Button Quantity | 12 |
| Color | ice |
| Compatible Devices | Laptop |
| Compatible Operating System Family | Windows |
| Compatible devices | Laptop |
| Connectivity Technology | RF, Wired |
| Connectivity technology | RF , Wired |
| Customer Reviews | 3.2 out of 5 stars 46 Reviews |
| Enclosure Material | Metal, Plastic |
| Hand Orientation | Ambidextrous |
| Item Dimensions L x W x H | 7L x 5.1W centimeters |
| Keyboard Description | Membrane |
| Keyboard Layout | QZERTY |
| Keyboard description | Membrane |
| Manufacturer | HALJIA |
| Mfr Part Number | ADN2006037 |
| Number of Keys | 12 |
| Number of Sections | 1 |
| Power Source | USB power |
| Recommended uses for product | Alarm system control, Access control, Device control |
| Special features | arch support |
| Style Name | Modern |
| Switch Type | Membrane |
| Theme | Number |
| Water Resistance Level | Not Water Resistant |
M**O
Buono
Anche se manca lo schema elettrico trovato in internet, funziona bene.
G**L
Don't buy this crap
Don't buy this crap, rows and columns is not connected as they should.
J**H
Wired up no problems
well made nothing to dislike
A**E
Funktioniert einwandfrei wenn man weiร was man tut.
Ich muss hier Mal die Lanze brechen. Wer keine Ahnung von einer Matrix hat und die Art von Carbon Pad das hier genutzt wird, sollte nicht zugreifen und dann schlechte Bewertungen abgeben. Das Teil funktioniert einwandfrei. Man darf nur nicht auf Durchgang messen und hoffen, dass es piept. Mit einer einfachen Suche findet man auch das korrekte Pinout.
J**R
Parfait.
Parfait.
Trustpilot
2 weeks ago
2 weeks ago