N40a8
About the N40a8 PCB
N40a8 is an open source PCB design by hatanoh, published on GitHub under the MIT license. It is a 2-layer board measuring 267.9 × 104.9 mm, with 92 components from 14 distinct parts.
Other key parts include the BLE-Micro-Pro-2 and TPS61221. By type, the board carries 44 switches, 42 diodes, 2 ICs, 2 capacitors, 1 battery holder and 1 inductor.
Main components on the N40a8
N40a8 bill of materials (BOM)
92 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BLE-Micro-Pro-2 | BLEMicroPro-2N | U1 |
| 1 | TPS61221 | SOT-363_SC-70-6_Handsoldering | U2 |
| 1 | Battery_Cell | BatteryHolder_Keystone_2466_1xAAA | BT1 |
| 2 | CPG151101S11-16 | CPG151101S11_1.5u | SW1, SW12 |
| 28 | CPG151101S11-16 | CPG151101S11_1u | SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9 +20 |
| 2 | CPG151101S11-16 | CPG151101S11_1.75u | SW13, SW34 |
| 3 | CPG151101S11-16 | CPG151101S11_2.25u | SW23, SW24, SW39 |
| 6 | CPG151101S11-16 | CPG151101S11_1.25u | SW35, SW36, SW37, SW40, SW41, SW42 |
| 1 | CPG151101S11-16 | CPG151101S11_2u | SW38 |
| 1 | SW_RST | TACT_SWITCH_TVBP06 | SW43 |
| 1 | SW_PWR | SLIDE_SWITCH_SK-12D01 | SW44 |
| 42 | 1N4148W | D_SOD-123 | D1, D2, D3, D4, D5, D6, D7, D8 +34 |
| 1 | LQH3NPZ4R7MMEL | L_Taiyo-Yuden_NR-30xx_HandSoldering | L1 |
| 2 | GRM188R60J106KE47D | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2 |
N40a8 design files
The KiCad project lives in the hatanoh/n40a8-pcb repository on GitHub; these links point at the commit this page was built from.
- Layoutn40a8/n40a8.kicad_pcb
- Schematicn40a8/n40a8.kicad_sch
N40a8: common questions
How big is the N40a8 PCB?
The N40a8 measures 267.9 × 104.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the N40a8?
92 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the N40a8 design files?
From the hatanoh/n40a8-pcb repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the N40a8 design in my own project?
Yes, under the terms of its MIT license, which hatanoh chose for the repository.
