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原理图(RPi-Motor-Driver-Board-Schematic).pdf

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1 2 3 4 5 6 7 8 1、Input Voltage(VIN) Range Up to 40V 2、Ensured 3A Output Load Current D1 SS54 VIN D2 SS54 C6 470uF/35V 1 U1 VIN FBACK F F O N O / OUT D N G 4 2 5 3 LM2596 Power 2 1 F1 Fuse Thermal L1 33uH C8 104 C7 100uF/16V D3 SS54 5V R5 1k GND LED FS2 1 VIN C10 47uF/25V 104/50V C11 GND FS1 1 VIN C13 47uF/25V 104/50V C14 GND 5V R6 1k 5V R7 1k GND FS2 IN3 1 2 3 4 5 6 7 8 9 10 U2 AGND FS IN1 V+ V+ OUT1 OUT1 DNC PGND PGND DNC IN2 D1 Ccp V+ OUT2 OUT2 D2 PGND PGND MC33886 GND FS1 IN1 1 2 3 4 5 6 7 8 9 10 U3 AGND FS IN1 V+ V+ OUT1 OUT1 DNC PGND PGND DNC IN2 D1 Ccp V+ OUT2 OUT2 D2 PGND PGND MC33886 20 19 18 17 16 15 14 13 12 11 20 19 18 17 16 15 14 13 12 11 IN4 GND VIN PWMB GND IN2 GND VIN PWMA GND C9 33nF/50V GND C12 33nF/50V GND VIN D4 SS54 D5 SS54 D6 SS54 D7 SS54 D8 SS54 D9 SS54 D10 SS54 D11 SS54 GND M4 M3 M2 M1 MotoB 2 1 MotoA 2 1 switch 4 5 6 1 2 3 C1 C2 10UF 104 wPi 15 16 1 4 5 6 10 11 31 26 27 28 29 BCM 14 15 18 23 24 25 8 7 1 12 16 20 21 5V OFF ON 5V GND TX RX P1 GND P4 P5 GND P6 CE0 CE1 ID_SC GND P26 GND P27 P28 P29 3.3V SDA SCL P7 GND P0 P2 P3 3.3V MOSI MISO SCK GND ID_SD P21 P22 P23 P24 P25 GND 2 1 4 3 6 5 8 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 RPI 2 BCM 2 3 4 17 27 22 10 9 11 0 5 6 13 19 26 wPi 8 9 7 0 2 3 12 13 14 30 21 22 23 24 25 GND GND C3 104 GND GND 5V GND IN3 IN4 PWMB IN1 IN2 PWMA 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND GND VCB VCB OE B1 B2 B3 B4 B5 B6 B7 B8 GND 74LVC8T245 3.3V GND P22 P23 P26 P28 P29 P25 C5 104 M3 M4 PWMB M1 M2 PWMA GND 3.3V R2 100 C4 R4 1k P1 VCC GND OUT 1 2 3 IRM 104 GND Level Translator Infrared 3 4 5 6 7 aveshareW 8 POWER A B C Motor D RPi 1 A B C D
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