- EOL
|
Attention! The product has been discontinued. Check others products incategory. |
Description
Touch keyboard with 16 buttons with a connector fitted to the GPIO of the Raspberry Pi 2B / B+ / A+ / B. It communicates via the I2C bus (SDA and SCL lines), its external dimensions are 85 x 56 mm.
Keyboard connectors are fitted to the GPIO of the Raspberry Pi. The subject of the sale is a shield, minicomputer can be purchased separately.
Key features
- It works with Raspberry Pi, version 2B / B+ / A+ / B.
- It has 16 touch keys which are marked with graphic symbols.
- It communicates via the I2C bus using due to this, only two lines: SDA and SCL.
- It works with voltage from 2.4 to 5.5 V.
- It has an automatic re-calibration which is activated when the keys are not touched longer than 4 seconds.
- The manufacturer providesa sample programforthe Raspberry Pi.
Connection
The device is layered on the GPIO connectors of the Raspberry Pi and use prepared bythe manufacturer, program. System, after switching, needs approx. 0.5 second to stabilize the signals.
| Pin | Description |
|---|---|
| VCC | Supply voltage from 2.4 V to 5.5 V. |
| GND | The ground of the system. |
| SDA | The data line of the I2C bus. |
| SCL | Clock line of the I2C bus. |
Distribution of keyboard buttons.
Specification
- Supply voltage: from 2.4 V to 5.5 V (consumed from Raspberry Pi)
- Number of keys: 16
- Refresh frequency: 8 Hz
- Communication: I2C
- Operating temperature: -40 °C to 85 °C
- Storage temperature: -50 °C to 125 °C
- It works withRaspberry Pi, version 2B / B+ / A+ / B
- External dimensions: 85 x 56 mm
Useful links |
