Our great sponsors
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megaTinyCore
Arduino core for the tinyAVR 0/1/2-series - Ones's digit 2,4,5,7 (pincount, 8,14,20,24), tens digit 0, 1, or 2 (featureset), preceded by flash in kb. Library maintainers: porting help available!
Check out the newer attiny chips......cheap, available, and LOW POWER. No external crystal or other components required. Programmable via Arduino IDE.,,see: https://github.com/SpenceKonde/megaTinyCore You can use any arduino as a programmer (JTAGTOUPDI) or make one with a cheap serial adapter: https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md
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Check out the newer attiny chips......cheap, available, and LOW POWER. No external crystal or other components required. Programmable via Arduino IDE.,,see: https://github.com/SpenceKonde/megaTinyCore You can use any arduino as a programmer (JTAGTOUPDI) or make one with a cheap serial adapter: https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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MegaCoreX
An Arduino hardware package for ATmega4809, ATmega4808, ATmega3209, ATmega3208, ATmega1609, ATmega1608, ATmega809 and ATmega808
See also the Atmega 4808/4809 parts: these are available in DIP packages, and are supported by a different Arduino Core, but are VERY close the the 328P. https://github.com/MCUdude/MegaCoreX