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Adafruit GEMMA V2

ADA 1222

4.8 4

The smaller version of the map Adafruit FLORA ATTiny85-based

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

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11,94 € tax incl.


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More info


The Adafruit GEMMA map is a smaller version of the map Adafruit FLORA, with only 28 mm in diameter.

It is compatible with the Arduino IDE, and it is directly programmable thanks to its micro-USB port.

Adding a switch ON / OFF with the v2 and micro-USB connectors.

It is possible to weld the Adafruit GEMMA pines, but also sew them with wire to create clothes that are connected.


  • Micro-controller: ATTiny85
  • Nominal supply voltage: 5V
  • Consumption: 9mA
  • GPIO:. 3 including 2 PWM and able 1 analog acquisition
  • Possibility of acquiring I2C/SPI
  • Flash memory: 8 KB including 2.75 KB for the bootloader
  • SRAM: 512 B
  • EEPROM: 512 B
  • Clock frequency: 8 MHz
  • Connectivity: MicroUSB 


Documentation Adafruit GEMMA:

Datasheet of the ATMEL ATTiny 85:

Data sheet

Micro-contôroleur - Horloge8 MHz
Flash8 KB
Entrées/Sorties numériques3
Tension logique (GPIO)3,3V
Entrées analogiques1
Alimentation nominale5V à 16V
Connectique pour chargementmicro USB


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