Calliope mini
{{Short description|Single-board computer developed for educational usage}}
File:Calliope_mini_weiss_JoernAlraun.jpg
The Calliope mini is a single-board computer developed for educational usage at German primary schools. The goal of the initiative is to provide all pupils as of grade three of primary schools in Germany with a Calliope mini free of charge.{{Cite web|url=https://www.startnext.com/calliope|title = Calliope mini: Weil coden Spaß macht}}
Background
Calliope mini was inspired by the BBC micro:bit, which was distributed to pupils of grade seven in the United Kingdom. The non-profit Calliope gGmbH is responsible for developing and maintaining the Calliope mini.{{Cite web |url=https://calliope.cc/content/11-faq/calliope_ggmbh_satzung.pdf |title=Founding contract of Calliope gGmbH |access-date=2019-01-02 |archive-url=https://web.archive.org/web/20190103055806/https://calliope.cc/content/11-faq/calliope_ggmbh_satzung.pdf |archive-date=2019-01-03 |url-status=dead }}
The name "Calliope mini" is a reference to Kalliope, a daughter of Zeus and the muse who presides over eloquence, science and epic poetry.{{cite web|title=Für jeden Grundschüler ein Computer {{!}} MDR.DE |url=https://www.mdr.de/wissen/bildung/schulcomputer-112.html |accessdate=2019-01-02 |last=mdr.de |language=de}}
Hardware
- Nordic nRF51822 multi-protocol Bluetooth Low Energy / 2.4 GHz RF SoC
- 32-bit ARM Cortex-M0 processor (16 MHz)
- 16 kB RAM
- 256 kB Flash
- Bluetooth Low Energy
- 5×5 LED matrix display
- Accelerometer, gyroscope, magnetometer (Bosch BMX055)
- MEMS microphone
- DC motor driver (TI DRV8837)
- Piezo speaker
- RGB LED (WS2812B)
- 2 programmable buttons
- Serial interface (USB + configurable ports)
- PWM output
- 4 banana plug / crocodile clip connections
- 4 analog inputs
- 8–11 input/output connections (depending on software configuration)
- SPI + I²C
- USB Micro B connection (programming and power supply)
- JST battery connector (3.3 V)
- Banana / crocodile clip connection for 3.3 V (output)
- 2 Grove connectors (I²C + serial / analog)
- NXP KL26z (USB and power supply)
- Flash program memory (optional)
See also
References
{{Reflist}}
External links
{{Commons category|Calliope mini}}
- [https://www.calliope.cc/en Official website]
- [https://github.com/calliope-mini/ Calliope mini on GitHub]
{{Authority control}}