{ "items": [ { "designator": "BOOT_BTN", "value": "", "description": "OMRON SWITCH" }, { "designator": "C1", "value": "27p", "description": "CAPACITOR, European symbol" }, { "designator": "C2", "value": "27p", "description": "CAPACITOR, European symbol" }, { "designator": "C3", "value": "0.1u", "description": "CAPACITOR, European symbol" }, { "designator": "C4", "value": "4.7u", "description": "POLARIZED CAPACITOR, European symbol" }, { "designator": "D1", "value": "3V6", "description": "Z-Diode" }, { "designator": "D2", "value": "3V6", "description": "Z-Diode" }, { "designator": "D3", "value": "MBRX0540-TP", "description": "DIODE" }, { "designator": "F1", "value": "FUSE", "description": "Resettable Fuse PTC" }, { "designator": "IC1", "value": "ATMEGA", "description": "MICROCONTROLLER" }, { "designator": "IC2", "value": "7833", "description": "Positive VOLTAGE REGULATOR" }, { "designator": "JP1", "value": "", "description": "PIN HEADER" }, { "designator": "JP2", "value": "", "description": "PIN HEADER" }, { "designator": "JP3", "value": "", "description": "PIN HEADER" }, { "designator": "JP4", "value": "", "description": "JUMPER" }, { "designator": "LED1", "value": "", "description": "LED" }, { "designator": "Q1", "value": "12 MHz", "description": "CRYSTAL" }, { "designator": "R1", "value": "68R", "description": "RESISTOR, American symbol" }, { "designator": "R2", "value": "68R", "description": "RESISTOR, American symbol" }, { "designator": "R3", "value": "1.7K", "description": "RESISTOR, American symbol" }, { "designator": "R4", "value": "330R", "description": "RESISTOR, American symbol" }, { "designator": "RST_BTN", "value": "", "description": "OMRON SWITCH" }, { "designator": "USB", "value": "", "description": "BERG USB connector" } ] }