Arduino Compatible Mayfly Data Logger And Environmental Monitoring Developer Board Now Available. 12:38 pm June 1, 2016 By Julian Horsey. ... – Onboard realtime clock (RTC) (DS3231) ...

It is an Arduino compatible board (hardware, not footprint) based on the ATMEGA1284P which can be programmed to collect and post data to internet logging sites such as Thingspeak or Xively.

The Teensy 3.0 handles the data logging of all the captured pokemon with an SD card and RTC. What did [dekuNukem] end up with for all his effort? A lot of shiny pokemon.

The Arduino compatible Pax Instruments T400 Temperature Datalogger is now available to purchase priced at $175 from Adafruit. If you liked this you might also be interested in building an Arduino ...