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Circular 32 blue LED display

Circular 32 blue LED display

Circular 32 blue LED display


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An easy to fly with an arduino I2C original circular display.

Guarantee of quality This product is an official product of the brand Microbot

Availability: Discontinued

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24,00 € tax incl.

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This card includes a circular display composed of 16 independent LEDS that illuminate every time 2 segments of the light ring. To control this card, nothing more simple thanks to the PCA9635 circuit which is a LED 16 channels in I2C driver.

Each LED can be controlled in serious brightness to a PWM signal on 8 bits of resolution, 256 different luminosities or flash mode with frequencies between 24 Hz and 0.0932Hz (once all the 10.73 seconds).

It is possible to group LED software to set them a single brightness in order to reduce the I2C statement.

After having lit LEDS, it is possible to send a PWM signal at the Input Output Enable Pin to change their brightness without for as much dialogue in I2C

The circuit includes: the PCB circuit with two 5-point connectors male (a right and one elbow 90 °)? 


  • Power supply: 5V
  • Consumption: 2, 5mA empty / 10mA max
  • Number of LEDS: 16
  • Number of segments: 32
  • Interfacte: I2C
  • Operating temperature:-40 ° C / + 85 ° C
  • Size: 48.3 mm x 35.6 mm
  • Weight: 10.5 g
  • Documentation

  • Arduino library:



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