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nategreco
The Universal Bike Controller is an open-source project aimed at providing a drop-in replacement for the factory console on NordicTrack® S-series exercise bikes
| Reference | Value | Description |
|---|---|---|
| Q1 | MMBT3904 | Bipolar NPN Transistor |
| U1 | SN65HVD08DR | Wide Supply Range RS-485 Transceiver |
| U2 | LD1117S33TR_SOT223 | 3.3v Fixed Low Drop Positive Voltage Regulator |
| U3 | MDBT50Q-P1MV2 | Nordic nRF52840 SoC Solution |
| U4 | LM2596S-5 | |
| C1,C3,C9 | 100n | 100nF - Unpolarized capacitor, 25V, 10% |
| C2 | 120u | |
| C4,C8 | 10u | 10uF - Unpolarized capacitor, 25V, 10% |
| C5,C6 | 12p | 12pF - Unpolarized capacitor, 50V, 1% |
| C7 | 220u | |
| C10 | 1u | 100nF - Unpolarized capacitor, 25V, 10% |
| D1,D4,D6 | CDSOT23-SM712 | Surface Mount Bi-directional TVS Diode |
| D2 | GREEN | Light emitting diode (Green) |
| D3 | RED |
| Light emitting diode (Red) |
| D5 | SS24FL |
|---|
| F1 | 2A | 2A Resettable Fuse |
|---|
| H1-H4 | MountingHole | Mounting Hole without connection |
|---|
| J1 | KMDGX-6S-BS | 6P mini-DIN connector female (socket) |
|---|
| J2 | F31S-1A7L1-11040 | 40P FPC connector |
|---|
| J3 | KMDGX-8S-BS | 8P mini-DIN connector female (socket) |
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| J4 | TC2050-IDC-NL | 10P Tag Connect footprint (DNP) |
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| J5 | 87520-0010BLF | USB Type A, Standard, Right Angle, Through Hole |
|---|
| L1 | MSS1210-683MED |
|---|
| R1-R3,R6-R8,R20 | 68 | Thick Film Resistor – 68 (1/2W) |
|---|
| R4 | 10k | Thick Film Resistor – 10k (1/4W) |
|---|
| R9,R10 | 1k69 | Thick Film Resistor – 1.69k (1/4W) |
|---|
| R11 | 1k | Thick Film Resistor – 1k (1/4W) |
|---|
| R13 | 250 | Thick Film Resistor – 120 (1/4W) |
|---|
| R14,R15,R21-R24 | 10 | Thick Film Resistor – 10 (1/4W) |
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| R18 | 330 | Thick Film Resistor – 150 (1/2W) |
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| R19 | 150 | Thick Film Resistor – 150 (1/4W) |
|---|
| X1 | 32.768kHz | Crystal oscillator - 32.768 kHz |
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