{ "build": { "core": "teensy", "extra_flags": "-DARDUINO_ARCH_AVR -DARDUINO_TEENSY2", "f_cpu": "16000000L", "mcu": "atmega32u4" }, "frameworks": [ "arduino" ], "name": "Teensy 2.0", "upload": { "maximum_ram_size": 2560, "maximum_size": 32256, "protocol": "teensy-gui", "protocols": [ "teensy-cli", "teensy-gui" ] }, "url": "https://www.pjrc.com/store/teensy.html", "vendor": "Teensy" }