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4x4 matrix keyboard microcontroller keyboard the empty PCB board with 16 keys easy to use and affordable external expansion. Easy to Install: 8P DuPont Female head, pitch 2.54mm, can be inserted in the Pin connection circuit. Self-Adhesion Design: Peel off the white sticker on the back of the keyboard can be securely affixed to the surface of the chassis.
| Specification | |
|---|---|
| Made in | China |
| Item type | Switch Keypad |
| Dimension | 8.7 X 6.9 X 2cm |
| Mount style | Self-Adherence |
| Life expectancy | 1 Million Closures |
| Cable length | |
| Connector width | |
| Heart rate monitoring | |
| Portable ecg | |
| Bioelectricity signal collection | |
| Reception distance | |
| Maximum holding size | |
| Lightweight | Yes |
| Stall torque | |
| Line length | |
| Big lcd display | |
| Waterproof | |
| Heat resistance | |
| Pressure resistance | |
| Cold resistance | |
| Charging method | |
| Load short-circuit protection | |
| Built in antenna | |
| Bluetooth version | |
| Signal coverage | |
| Transmission distance | |
| Transmitting coil size | |
| Transmitter module size | |
| Receiving coil size | |
| Receiver module size | |
| Plug and play | |
| Connector diameter | |
| Low current consumption | |
| Fully static operation | |
| Connector size | |
| Communication distance | |
| Module size | |
| Insulation resistance | |
| Head style | |
| Easy to use | Yes |
| Easy to store | Yes |
| Easy to install | Yes |
| Filament diameter | |
| Eco friendly | Yes |
| Non toxic | Yes |
| Odorless | |
| Moisture resistance | |
| Machine size | |
| Printing size | |
| Moulding technology | |
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