{ "json_format":{ "name":"short name of board, including development tools if necessary", "serial_number":"serial_number of IC, uniquely identifying", "subdirectory_path": "relative file path to documentation", "dev_board_price":"price for dev board, dollars", "dev_board_sales_link":"link for dev board purchase", "ic_price":"price for bare ic, dollars", "ic_sales_link":"link for ic purchase", "ring_period":"period of one full ring oscillator waveform, in microseconds" }, "rf":[ { "name":"rn4871 ble transparent", "serial_number":"", "subdirectory_path":"rf/rn4871", "dev_board_price":6.1, "dev_board_sales link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":30000 }, { "name":"nrf52", "serial_number":"", "subdirectory_path":"rf/nrf52832", "dev_board_price":6.0, "dev_board_sales link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":74.0 }, { "name":"nrf24L01", "serial_number":"", "subdirectory_path":"rf/nrf24L01", "dev_board_price":4.0, "dev_board_sales link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":390.0 }, { "name":"nrf52 ble", "serial_number":"", "subdirectory_path":"rf/nrf52832_ble", "dev_board_price":6.0, "dev_board_sales link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":168000.0 } ], "gpio":[ { "name":"nucleo, mbed", "serial_number":"", "subdirectory_path":"gpio/nucleo-mbed", "dev_board_price":10.33, "dev_board_sales link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":0.7 }, { "name":"lpc1768, mbed", "serial_number":"", "subdirectory_path":"gpio/lpc1768-mbed", "dev_board_price":54.95, "dev_board_sales_link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":0.4 }, { "name":"ATmega32u4, Arduino", "serial_number":"", "subdirectory_path":"gpio/atmega32u4", "dev_board_price":12.75, "dev_board_sales_link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":22.0 }, { "name":"ATmega32u4, Port", "serial_number":"", "subdirectory_path":"gpio/atmega32u4", "dev_board_price":12.75, "dev_board_sales_link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":2.2 }, { "name":"Teensy, Teensyduino", "serial_number":"", "subdirectory_path":"gpio/teensy", "dev_board_price":19.80, "dev_board_sales_link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":5.5 }, { "name":"Teensy, Port", "serial_number":"", "subdirectory_path":"gpio/teensy", "dev_board_price":19.80, "dev_board_sales_link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":3.5 }, { "name":"RaspberryPi, PythonGPIO", "serial_number":"", "subdirectory_path":"gpio/raspberrypi", "dev_board_price":37.00, "dev_board_sales_link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":10.0 }, { "name":"RaspberryPi, C", "serial_number":"", "subdirectory_path":"gpio/raspberrypi", "dev_board_price":37.00, "dev_board_sales_link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":0.4 }, { "name":"PSoc 5LP, API", "serial_number":"", "subdirectory_path":"gpio/psoc5lp", "dev_board_price":10.00, "dev_board_sales_link":"", "ic_price":0.0, "ic_sales_link":"", "ring_period":1.2 }, { "name":"XMega8E5", "serial_number":"", "subdirectory_path":"gpio/8E5", "dev_board_price":3.00, "dev_board_sales_link":"", "ic_price":2.30, "ic_sales_link":"", "ring_period":0.252 }, { "name":"RPiZero, BCM2835", "serial_number":"", "subdirectory_path":"gpio/RaspberryPiZero_bcm2835", "dev_board_price":5.00, "dev_board_sales_link":"", "ic_price":0.00, "ic_sales_link":"", "ring_period":0.35 }, { "name":"RPiZero, node rpio", "serial_number":"", "subdirectory_path":"gpio/RaspberryPiZero_node_rpio", "dev_board_price":5.00, "dev_board_sales_link":"", "ic_price":0.00, "ic_sales_link":"", "ring_period":7.648 }, { "name":"C.H.I.P. pro, shell", "serial_number":"", "subdirectory_path":"gpio/CHIP_pro", "dev_board_price":16.00, "dev_board_sales_link":"", "ic_price":0.00, "ic_sales_link":"", "ring_period":11000 }, { "name":"NRF52", "serial_number":"", "subdirectory_path":"gpio/nrf52", "dev_board_price":6.00, "dev_board_sales_link":"", "ic_price":3.00, "ic_sales_link":"", "ring_period":0.218 } ] }