| U1-U3 | DRV8832DGQR | 7-V, 1-A H-bridge motor driver with voltage regulation |
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| U6,U8 | TPS61023DRLT | 3.7-A boost converter with 0.5-V ultra-low input voltage |
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| U7 | ESP32-S3-WROOM-1-N4 | Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz PCB Trace Surface Mount |
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| C1-C3,C5,C11 | 10uF | |
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| C4,C9 | .1uF | |
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| C6,C7,C10,C12,C13 | 22uF | |
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| C8 | 1uF | |
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| J1 | 1050170001 | USB - micro B USB 2.0 Receptacle Connector 5 Position Surface Mount, Right Angle; Through Hole |
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| L1,L2 | 1uH | |
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| R1-R3 | 2.87kOhms | |
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| R4-R6 | 400mOhms | |
|---|
| R7-R9,R19 | 10kOhms | |
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| R11 | 732kOhms | |
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| R17 | 100kOhms | |
|---|
| R18 | 0Ohms | |
|---|
| R20 | 680kOhms | |
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| R21 | 150kOhms | |
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| S1,S2 | SKQGAFE010 | Switch Tactile N.O. SPST Button Gull Wing 0.05A 12VDC 0.98N SMD T/R |
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