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PCB原理图。回复可见
| Comment | Pattern | Quantity | Components | | | | | | 0R | R0603 | 7 | R1, R13, R17, R26, R27, R31, R32 | | 1000mA | F0805 | 1 | F1 | | 12MHz | XTAL_US | 1 | Y4 | | 24C02 | SOP-8 | 1 | U14 | | 25MHz | XTAL_US | 1 | Y1 | | 3.3V | HDR2X3 | 1 | VOUT1 | | 32.768K | XTAL32 | 1 | Y3 | | 5V | HDR2X3 | 1 | VOUT2 | | 680R | R0603 | 1 | R14 | | 8MHz | XTAL_US | 1 | Y2 | | 9.53K | R0603 | 1 | R67 | | AMS1117-3.3 | AMS1117 | 2 | U16, U18 | | BATT | BATM | 1 | BAT | | BEEP | BELL-5 | 1 | BEEP | | BOOT | HDR2X3 | 1 | BOOT | | BUTTON | BTN8.5*8.5 | 1 | K1 | | CAN&USB | HDR2X3 | 1 | P11 | | CAN | HEAD2L-0.8 | 1 | CAN | | CH340G | SOP16M | 1 | U17 | | ChuMo | ALIENTEK_PAD | 1 | PAD1 | | DHT11&DS18B20 | DHT11 | 1 | U12 | | HEAD1*16 | HDR1X16 | 1 | P5 | | HEAD2*22 | HEAD2*22 | 2 | P3, P4 | | Header 4 | HDR1X4 | 1 | P12 | | Header | HDR1X2 | 1 | P2 | | HS0038 | HS0038 | 1 | U13 | | IS62WV51216 | TSOP44 | 1 | U3 | | JTAG | JTAG_20 | 1 | JTAG | | KEY_M | KEY_M | 1 | RESET | | KEY_UP | KEY_M | 1 | KEY_UP | | KEY0 | KEY_M | 3 | KEY0, KEY1, KEY2 | | LAN8720A | QFN24 | 1 | U1 | | LED0 | SMDLED | 1 | DS0 | | LED1 | SMDLED | 1 | DS1 | | LINE_IN | PHONE_ST | 1 | LINE_IN | | LSENS | SMDLED | 1 | LS1 | | MIC | MIC | 1 | MIC | | MODULE | HEAD6 | 1 | U7 | | MP2359 | SOT-23-6 | 1 | U15 | | MPU6050 | QFN24 | 1 | U8 | | NRF24L01 | NRF24L01 | 1 | U6 | | O | Kong-6MM | 4 | O1, O2, O3, O4 | | OV2640 | HDR2X9 | 1 | P8 | | PHONE | PHONE_ST | 1 | PHONE | | POWER | DC10B | 1 | DC_IN | | RJ45 | HR911105A | 1 | EARTHNET | | RS232&485 | HDR2X3 | 1 | P9 | | RS232&GPS | HDR2X3 | 1 | P10 | | RS485 | HEAD2L-0.8 | 1 | RS485 | | S8050 | SOT-23R | 3 | Q1, Q2, Q3 | | S8550 | SOT-23R | 1 | Q4 | | sd card | SDCARD_L | 1 | SD_CARD | | SI2301 | SO-G3/C2.5 | 1 | MOS1 | | SMBJ3.3A | SMBJ | 1 | D6 | | SMBJ5.0A | SMBJ | 1 | D5 | | SP3232 | SOP16M | 1 | U5 | | SP3485 | SOP-8 | 1 | U9 | | SPEAKER | HDR1X2 | 1 | P1 | | SPK- | TP | 1 | SP- | | SPK+ | TP | 1 | SP+ | | SS14 | DIODE_3*5.3 | 2 | D3, D4 | | STM32F407ZET6()STM32F407ZGT6 | LQFP144 | 1 | U4 | | SYS | SMDLED | 1 | PWR | | TFT_LCD | DB2*17-4.3 | 1 | TFTLCD | | TJA1050 | SOP-8 | 1 | U10 | | USART_F(母头) | DB9 | 1 | COM2 | | USART_M(公头) | DB9 | 1 | COM3 | | USART1 | HDR2X2 | 1 | P6 | | USB | USB/SM0.8-6H5 | 1 | USB_232 | | USB-A-90 | USB-A-90 | 1 | USB_HOST | | USB-B(Mini) | USB/SM0.8-6H5 | 1 | USB_SLAVE | | VREF_SEL | HDR1X2 | 1 | P7 | | W25Q128 | SOIC-8 | 1 | U11 | | WM8978 | QFN32 | 1 | U2 |
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