4. Octopus ADKeypad¶
This keyboard uses an analog input to read the five key state with one IO port.
It can achieve many amazing interactive projects.
The 3-pins ports is easy to plug and play..
It can work with micro:bit in 3V.
Item | Parameter :-: | :-: SKU|EF04017 Power Input |3V-5V Connector Type|Analog Pins Definition|1-Signal 2-VCC 3-GND Response |Quick to response with high sensitivity Circuit|Simple Stability|Stable and durable
4.4. Outlook and Dimensions¶
4.5. Quick to Start¶
Connect to P1 port as the picture shows.
Take sensor:bit for example
Program as the picture shows¶
Analog read the returned value.
When returned value is between 0~20, it means the button A is pressed, an icon is shown on the micro:bit.
By parity of reasoning.
You can also download it directly below:---
Press different buttons on the ADKeypad, different graphs show on the micro:bit.