4. Octopus ADKeypad(EF04017)¶
4.1. Introduction¶
This keyboard uses an analog input to read the five key state with one IO port. It can achieve many amazing interactive projects.
4.2. Products Link¶
4.3. Characteristics¶
The 3pins ports is easy to plug and play.. It can work with micro:bit in 3V.
4.4. Specifications¶
Item | Parameter :-: | :-: SKU|EF04017 Power Input |3V5V Connector Type|Analog Pins Definition|1Signal 2VCC 3GND Response |Quick to response with high sensitivity Circuit|Simple Stability|Stable and durable
4.5. Outlook and Dimensions¶
4.6. Quick to Start¶
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.
Reference¶
Links:https://makecode.microbit.org/_dqjTtAM5sfmy
You can also download it directly below:
Result¶
Press different buttons on the ADKeypad, different graphs show on the micro:bit.