BlueMicro840
About the BlueMicro840 PCB
BlueMicro840 is an open source PCB design by jpconstantineau, published on GitHub under the BSD-3-Clause license. It is a 2-layer board measuring 20 × 32 mm, with 29 components from 27 distinct parts.
Other key parts include the E73-2G4M04S1B, ProMicro, AP2112K-3.3TRG1, TP4054ST and E73-2G4M08S1C-52840. By type, the board carries 9 resistors, 6 capacitors, 5 ICs, 4 diodes, 2 connectors and 1 transistor.
It belongs with the power & battery designs in this gallery.
From the project
This Repository is a collection of NRF5x boards.
Main components on the BlueMicro840
BlueMicro840 bill of materials (BOM)
29 components, 27 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | E73-2G4M04S1B AP2112K-3.3TRG1 ebyte | SOT-23-5 | U1 |
| 1 | ProMicro n/a | pro_micro | U2 |
| 1 | AP2112K-3.3TRG1 Diodes Incorporated | SOT-23-5 | U3 |
| 1 | TP4054ST | SOT-23-5 | U4 |
| 1 | E73-2G4M08S1C-52840 | E73-2G4M08S1C-52840 | U5 |
| 1 | P5102FM SI2301CDS-T1-GE3 NIKO Semicon | SOT-23 | Q1 |
| 1 | 32,768 | Crystal_SMD_3215-2Pin_3.2x1.5mm | Y2 |
| 1 | Conn_01x02_Male | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | DNP | HRO-TYPE-C-31-M-12-C165948 | J3 |
| 1 | MBR120LSF B5819W SK | D_SOD-123 | D1 |
| 1 | 19-217/GHC-YR1S2/3T | LED_0603_1608Metric | D2 |
| 1 | 19-217/BHC-ZL1M2RY/3T | LED_0603_1608Metric | D3 |
| 1 | KT-0603R | LED_0603_1608Metric | D4 |
| 1 | SDFL2012S100KTF DNP Sunlord | L_0805_2012Metric | L1 |
| 1 | CL21B105KAFNFNE 22pF Samsung Electro-Mechanics | C_0603_1608Metric | C1 |
| 1 | 0805B104K500NT 22pF Guangdong Fenghua Advanced Tech | C_0603_1608Metric | C2 |
| 2 | CL21A106KOQNNNE 10uF Samsung Electro-Mechanics | C_0603_1608Metric | C3, C5 |
| 1 | CC0805KRX7R9BB101 10uF YAGEO | C_0603_1608Metric | C4 |
| 1 | 0805CG102J500NT 1nF Guangdong Fenghua Advanced Tech | C_0603_1608Metric | C6 |
| 1 | RC0805FR-0710KL 1K YAGEO | R_0603_1608Metric | R1 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RC0805FR-07100KL 10K YAGEO | R_0603_1608Metric | R2 |
| 1 | RC0805FR-0710KL 100K YAGEO | R_0603_1608Metric | R3 |
| 1 | AC0805FR-07806KL 806k YAGEO | R_0603_1608Metric | R4 |
| 1 | RC0805JR-072ML 1K YAGEO | R_0603_1608Metric | R5 |
| 1 | 2M | R_0603_1608Metric | R6 |
| 1 | 1K | R_0603_1608Metric | R7 |
| 2 | 5k1 | R_0603_1608Metric | R8, R9 |
BlueMicro840 design files
The KiCad project lives in the jpconstantineau/NRF52-Board repository on GitHub; these links point at the commit this page was built from.
BlueMicro840: common questions
How big is the BlueMicro840 PCB?
The BlueMicro840 measures 20 × 32 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BlueMicro840?
29 components, from 27 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 BlueMicro840 design files?
From the jpconstantineau/NRF52-Board repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the BlueMicro840 design in my own project?
Yes, under the terms of its BSD-3-Clause license, which jpconstantineau chose for the repository.
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