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uhi22
electric wheel chair investigations. Reverse-engineering of DXBUS CAN communications.
| Reference | Value | Description |
|---|---|---|
| Q1-Q3 | NCV8402xST | |
| Q4,Q7 | BC556 | 0.1A Ic, 65V Vce, PNP Small Signal Transistor, TO-92 |
| Q6,Q8 | BC546 | 0.1A Ic, 65V Vce, Small Signal NPN Transistor, TO-92 |
| U2 | SN65HVD234 | |
| U3 | STM32F103RETx | |
| U4 | TPS54302 | |
| U6 | AMS1117-3.3 |
| U7 | 74HCT04 |
|---|
| C1 | 100n |
|---|
| C2,C3,C56-C61,C64,C73,C74 | 100nF |
|---|
| C62,C63 | 22p |
|---|
| C65 | 10uF |
|---|
| C66,C67 | 22uF |
|---|
| C68 | 68pF |
|---|
| C69 | 470uF |
|---|
| C75 | 100uF |
|---|
| D1,D11 | LED2 |
|---|
| D2 | Zener 5V | Zener diode, small symbol |
|---|
| D9 | PWR |
|---|
| D10 | ALIVE |
|---|
| D13 | SS54B-HF |
|---|
| D15 | UARTTX |
|---|
| F1-F3 | Polyfuse | Resettable fuse, polymeric positive temperature coefficient |
|---|
| J1 | Conn_01x08_Pin | Generic connector, single row, 01x08, script generated |
|---|
| J3,J7,J9-J11 | Screw_Terminal_01x04 | Generic screw terminal, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J4 | DEBUG |
|---|
| J5 | UART |
|---|
| J13 | Conn_01x01_Pin | Generic connector, single row, 01x01, script generated |
|---|
| J16 | uC_NRST |
|---|
| J17 | 3V3_uC |
|---|
| J18 | SWO |
|---|
| L12 | Bead 600 |
|---|
| L13 | 10uH |
|---|
| R1,R3-R6,R13,R29,R30,R32,R33,R35,R36,R43,R45 | 10k |
|---|
| R2,R17-R20,R37 | 1k |
|---|
| R7,R9,R10 | 4k7 |
|---|
| R8,R38 | 22k |
|---|
| R11 | 1M |
|---|
| R12 | 220k |
|---|
| R14,R16,R25-R28,R34,R39,R40,R42,R44,R46 | 47k |
|---|
| R15 | 33 |
|---|
| R21,R22 | 220 |
|---|
| R23 | 100k |
|---|
| R24 | 33k |
|---|
| R31 | Joystick |
|---|
| R41 | 100 |
|---|
| SW1-SW5 | SW_Push | Push button switch, generic, two pins |
|---|
| TP5V1 | TP5V |
|---|
| Y2 | 8MHz |
|---|