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Bluetooth / BLE Drivers / Controllers
* Thanks for the source code and project information provided by @Chie Mizuta
As a countermeasure for COVID-19, it is important to maintain a distance of 2m, but this can be difficult to gauge. For this reason, I have created a device that visually informs you how far you are from the person.
Trigger: Ultra Sonic SensorAction: NeoPixel (LED) and toio (Sound)
M5Stack and toio are connected by BLE. M5Stack is the central role and toio is the peripheral.
Code
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