原理图(SX1268_LoRa_HAT_SchDoc).pdf

发布时间：2023-11-23 发布人：admin 分类：养殖资料大小：0.22M 资料格式：pdf 举报版权申诉

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1 2 3 4 USB.J1 USB_5V U1 VBUS D- D+ ID GND SHIELD1 SHIELD2 SHIELD3 SHIELD4 D- D+ 1 2 3 4 5 6 7 8 9 C6 USB 10uF/25V GND 3V3 3V3 4.7uF C4 0.1uF C7 1uF GND 7 6 C5 3 8 GND VBUS 5 D- 4 D+ D- D+ CP2102 USB to UART REGIN VDD RST SUSPEND SUSPEND RI DCD DTR DSR TXD RXD RTS CTS R1 4K7 R2 10K USB_5V GND U_TX U_RX 9 12 11 2 1 28 27 26 25 24 23 aveshareW SX126X LoRa HAT A B GND P4 L_TX L_RX P27 P22 GND USB_5V V 5 2 / F u 0 1 C3 V 5 2 / F u 0 1 C2 GND C1 0.1uF A 12 13 14 15 16 17 18 19 GND GND E22-400T22S NC GND NC NC NC NC NC GND GND P1 5 4 3 2 1 SMA-KE GND 20 21 GND 22 GND ANT GND U2 GND VCC AUX TXD RXD M1 M0 GND GND GND GND 11 10 9 8 7 6 5 4 3 2 1 USB_5V GND Lo_RX Lo_TX J3 1 2 3 4 LoRa Module P_22 GND J2 1 3 2 4 P_27 GND LoRa Mode Selection GND 3V3 R3 10K P_27 R4 10K P_22 U_RX Lo_TX P_RX U_TX J1 1 3 5 7 2 4 6 8 Header 4X2 U_TX Lo_RX P_TX U_RX Uart Chose USB_5V USB_5V GND P_TX P_RX GND GND GND GND wPi BCM 15 16 1 4 5 6 10 11 26 27 28 29 14 15 18 23 24 25 8 7 12 16 20 21 C BCM wPi P3 2 3 4 17 27 22 10 9 11 5 6 13 19 26 8 9 7 0 2 3 12 13 14 21 22 23 24 25 P4 GND P_27 P_22 GND GND 1 D 5V 3V3 5V SDA1 GND SCL1 TXD GPIO7 RXD GND GPIO1 GPIO0 GND GPIO2 GPIO4 GPIO3 GPIO5 3V3 GND MOSI GPIO6 MISO CE0 SCLK CE1 GND SCL0 SDA0 GPIO21 GND GPIO22 GPIO26 GPIO23 GND GPIO24 GPIO27 GPIO25 GPIO28 GND GPIO29 RPI GPIO Raspberry Intarface 3V3 R9 1K 3V3 3V3 R12 1K R10 1K R11 1K L_PWR1 L_TXD1 L_RXD1 L_AUX1 GND L_TX L_RX P4 Indicator light GND L_TX R7 3K3 P_22 R13 3K3 C8 3V3 0.1uF 4 71 2 9 GND U3A 3 Lo_TX U3B 5 6 L_RX Lo_RX R8 3K3 1 74VHC125_1 4 74VHC125_1 GND U3C 0 1 GND 8 P22 P_27 74VHC125_1 R14 3K3 GND U3D 12 11 P27 74VHC125_1 3 1 GND Voltage Level Switch 2 3 4 B C D

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原理图(SX1268_LoRa_HAT_SchDoc).pdf

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