Unit CardKB v1.1
SKU:U035-B
Description
Unit CardKB v1.1 is a card-sized QWERTY 50-key PCB matrix keyboard that uses ATMega8A as the encoding MCU, with an output interface of I2C. It has one onboard RGB-LED to indicate keyboard status.
Features
- Full keyboard input with multiple key combinations.
- HY2.0-4P interface, supports UIFlow and Arduino.
Includes
- 1 x Unit CardKB v1.1
- 1 x HY2.0-4P Grove connection cable (20cm)
Applications
- Keyboard peripheral for M5Stack Core
Specifications
| Specification | Parameter |
|---|---|
| MCU | ATMega8A |
| Number of Keys | 50 |
| RGB LED | 1 pc |
| Communication Interface | I2C Communication @0x5F |
| Product Size | 88.0 x 54.0 x 5.0mm |
| Product Weight | 14.3g |
| Package Size | 170.0 x 120.0 x 7.0mm |
| Gross Weight | 18.0g |
Learn
Press a single key, the keyboard will output the first key value (letter keys will output in lowercase). For example, pressing "Q" will output "q" (lowercase).
Sym+key, the keyboard will output the second key value. For example, after clicking "Sym", pressing "Q" will output "{". Double-click "Sym" to lock the function, and all subsequent key presses will output the second key value. Double-click "Sym" again to unlock.
Shift+key, the keyboard will output the uppercase form of the letter. For example, after clicking "Shift", pressing "Q" will output "Q" (uppercase). Double-click "Shift" to lock the function, and all subsequent key presses will output in uppercase. Double-click "Shift" again to unlock.
Fn+key (custom function key combination), the keyboard will output the third key value. You can customize the function of the pressed key.
PinMap
Unit CardKB v1.1
| HY2.0-4P | Black | Red | Yellow | White |
|---|---|---|---|---|
| PORT.A | GND | 5V | SDA | SCL |
ATMega8A ISP Download Interface Pin Definition
Model Size
Unit CardKB v1.1 Model Size PDF
Softwares
Arduino
UiFlow1
UiFlow2
Internal Firmware
Protocol
EasyLoader
| Easyloader | Download Link | Note |
|---|---|---|
| Unit CardKB example with M5Core | download | / |