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Presentation
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.
Features
- 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
Documentation Adafruit GEMMA: http://learn.adafruit.com/introducing-Gemma/introduction
Datasheet of the ATMEL ATTiny 85: http://www.Atmel.com/devices/attiny85.aspx
Data sheet
Micro-contrôleur | Attiny85 |
Micro-contôroleur - Horloge | 8 MHz |
SRAM | 512 B |
Flash | 8 KB |
EEPROM | 512 B |
Entrées/Sorties numériques | 3 |
Tension logique (GPIO) | 3,3V |
PWM | 1 |
Entrées analogiques | 1 |
Alimentation nominale | 5V à 16V |
Connectique pour chargement | micro USB |
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