Grove - 4-Digit Display Raspberry Pi You only have to wire

You only have to wire up the sensors that you are actually using

light sensors

and it can be used to detect ambient sound level

FreeRTOS support

* Recommend for 4-9 year old kids

Grove - 4-Digit Display Raspberry Pi You only have to wire4 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