{ "build": { "arduino": { "ldscript": "nrf52840_s140_v6.ld" }, "core": "nRF5", "cpu": "cortex-m4", "extra_flags": "-DARDUINO_NRF52840_FEATHER -DNRF52840_XXAA", "f_cpu": "64000000L", "hwids": [ ["0x239A","0x8029"], ["0x239A","0x0029"], ["0x239A","0x002A"], ["0x239A","0x802A"] ], "usb_product": "HT-n5262", "mcu": "nrf52840", "variant": "Heltec_T114_Board", "bsp": { "name": "adafruit" }, "softdevice": { "sd_flags": "-DS140", "sd_name": "s140", "sd_version": "6.1.1", "sd_fwid": "0x00B6" }, "bootloader": { "settings_addr": "0xFF000" } }, "connectivity": [ "bluetooth" ], "debug": { "jlink_device": "nRF52840_xxAA", "svd_path": "nrf52840.svd", "openocd_target": "nrf52.cfg" }, "frameworks": [ "arduino" ], "name": "Heltec T114 Board", "upload": { "maximum_ram_size": 235520, "maximum_size": 815104, "speed": 115200, "protocol": "nrfutil", "protocols": [ "jlink", "nrfjprog", "nrfutil", "stlink" ], "use_1200bps_touch": true, "require_upload_port": true, "wait_for_upload_port": true }, "url": "https://heltec.org/", "vendor": "Heltec" }