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Wh1teRabbitHU
It's a custom computer for indoor bikes to measure cadence, speed and power, store sessions, visualise ongoing statistics and replace non chargeable solutions
| Reference | Value | Description |
|---|---|---|
| Q1 | AO3401A | |
| Q2,Q3 | BC849 | |
| U1 | APX803L05-36SA-7 | |
| U2 | BQ24078RGTR | |
| U3 | LDL1117S33R | |
| U4 | MAX17055ETB+T | |
| U5 |
| U6 | LMV321 |
|---|
| U7 | MCP3421A0T-ECH |
|---|
| U8 | ER-TFT035-6 |
|---|
| U9 | USBLC6-2SC6 |
|---|
| U10 | ESP32-WROOM-32 |
|---|
| U11 | CH340G |
|---|
| C1,C9,C17,C23 | 1uF |
|---|
| C2-C4,C11,C36 | 4.7uF |
|---|
| C5,C6,C8,C12-C16,C18,C24,C29-C32,C35,C37-C41 | 0.1uF |
|---|
| C7,C10,C25 | 10uF |
|---|
| C19,C20 | 26pF |
|---|
| C21,C22 | 12pF |
|---|
| C26-C28 | 22uF |
|---|
| C33,C34 | 15pF |
|---|
| D1 | Power Alert |
|---|
| D2 | SMF6.0A |
|---|
| D3 | Charging |
|---|
| FB1 | FerriteBead_Small |
|---|
| J1 | USB_C_Receptacle_PowerOnly_6P |
|---|
| J2 | Battery Terminal |
|---|
| J3 | THRM Socket |
|---|
| J4 | Micro_SD_Card |
|---|
| J5 | SWD |
|---|
| J6 | Difficulty Header |
|---|
| J7 | Candelance Header |
|---|
| J8 | ESP32 Programmer |
|---|
| JP1 | AIN_JMP |
|---|
| JP2 | SD_CD JP |
|---|
| JP3 | Jumper_2_Open |
|---|
| JP4 | EN_ESP32 |
|---|
| L1 | 39nH |
|---|
| R1 | 1.5k |
|---|
| R2,R3 | 5.1kΩ |
|---|
| R4 | 100k |
|---|
| R5 | 1K1Ω |
|---|
| R6 | 590Ω |
|---|
| R7,R35,R37,R39,R41 | 1K |
|---|
| R8,R9,R34,R36,R38,R40 | 10K |
|---|
| R10,R12-R17,R20,R24,R25,R29,R32,R33 | 10k |
|---|
| R11 | 10mΩ |
|---|
| R18,R19,R21,R23 | 2k2 |
|---|
| R22,R30,R31 | 100 |
|---|
| R26 | 220 |
|---|
| R27,R28 | 10Ω |
|---|
| SW1 | Enable |
|---|
| SW2 | Reset Button |
|---|
| SW3 | Reset BTN |
|---|
| SW4 | Flash BTN |
|---|
| SW5-SW8 | Button_01 |
|---|
| Y1 | 8MHz |
|---|
| Y2 | 32768Hz |
|---|
| Y3 | 12MHz |
|---|