Grove - 4-Digit Display IOT the whole device is powered

the whole device is powered off

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BME280 and IIC

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Grove - 4-Digit Display IOT the whole device is powered4 digit display module is usually a 12 pin module. In this Grove gadget, we utilize a TM1637 to scale down the controlling pins into 2 Grove pins. It only takes 2 digital pins of Arduino or Seeeduino to control the content, even the luminance of this display. For projects that require of alpha numeric display, this can be a nice choice. Features 4 digit red alpha numeric display Grove compatible 8 adjustable luminance levels Application Ideas Time