Bike PWR
About the Bike PWR PCB
Bike PWR is an open source Nordic nRF PCB design by derdds, published on GitHub. It is a 4-layer board measuring 45 × 45 mm, with 48 components from 18 distinct parts.
Its main chip is the MDBT42V-512KV2, from the Nordic nRF family. Other key parts include the BMI160 and ScioSense PS09. By type, the board carries 23 capacitors, 8 inductors, 6 transistors, 4 resistors, 3 ICs and 3 connectors.
Main components on the Bike PWR
Bike PWR bill of materials (BOM)
48 components, 18 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ~ | MDBT42V-512KV2 | U1 |
| 1 | BMI160 | Bosch_LGA-14_3x2.5mm_P0.5mm | U2 |
| 1 | ScioSense PS09 | QFN-40-1EP_6x6mm_P0.5mm_EP4.6x4.6mm | U3 |
| 6 | BC857 | SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6 |
| 1 | Resonator | OSC_CSTCR4M00G53-R0 | Y1 |
| 1 | Batt Holder | PWR Pins (2x2.54mm) | J1 |
| 1 | Analyzer / Flasher | UART Pins (6x2.54mm) | J2 |
| 1 | Bridge | AFE SG (10x2.54mm) | J3 |
| 8 | 220/0.05 | L_0201_0603Metric_Pad0.64x0.40mm_HandSolder | FB1, FB2, FB3, FB4, FB5, FB6, FB7, FB8 |
| 1 | 10uF | C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C1 |
| 10 | 100nF | C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C2, C3, C4, C5, C7, C9, C10, C11 +2 |
| 1 | 3.3nF | C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C6 |
| 1 | 33uF | C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C8 |
| 1 | 100uF | C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C13 |
| 1 | 100pF | C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C15 |
| 8 | 470pF | C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C16, C17, C18, C19, C20, C21, C22, C23 |
| 1 | 3.3k | R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R1 |
| 3 | 10k | R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R2, R3, R4 |
Bike PWR design files
The KiCad project lives in the derdds/Esit-Internship repository on GitHub; these links point at the commit this page was built from.
Bike PWR: common questions
What microcontroller does the Bike PWR use?
The Bike PWR is built around the MDBT42V-512KV2, from the Nordic nRF family.
How big is the Bike PWR PCB?
The Bike PWR measures 45 × 45 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Bike PWR?
48 components, from 18 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Bike PWR design files?
From the derdds/Esit-Internship repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Bike PWR design in my own project?
The repository has no license, so all rights stay with derdds. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Bike PWR without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Nordic nRF firmware against it before you order a PCB.
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