Bord λ principial
About the Bord λ principial PCB
Bord λ principial is an open source PCB design by Alex2269, published on GitHub. It is a 2-layer board measuring 53.3 × 71 mm, with 62 components from 27 distinct parts.
Other key parts include the MCP602, L78L05_SOT89, lm2596-hw-411, AMS1117-3.3 and AMS1117-5.0. By type, the board carries 36 resistors, 10 capacitors, 9 ICs, 3 inductors, 1 transistor and 1 connector.
Main components on the Bord λ principial
Bord λ principial bill of materials (BOM)
62 components, 27 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | MCP602 | SO-8_5.3x6.2mm_P1.27mm | U1, U2, U9 |
| 1 | L78L05_SOT89 | SOT-89-3 | U3 |
| 1 | lm2596-hw-411 | lm2596-hw-411 | U4 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U5 |
| 1 | AMS1117-5.0 | SOT-223-3_TabPin2 | U6 |
| 1 | IR4427 | SO-8_5.3x6.2mm_P1.27mm | U8 |
| 1 | LM1117-2.5 | SOT-223-3_TabPin2 | U10 |
| 1 | LR7843 | TO-252-2 | Q1 |
| 1 | display | PinHeader_1x14_P2.54mm_Vertical | J1 |
| 1 | BluePill_1 | YAAJ_BluePill | BP1 |
| 1 | LSU_ADV | PinHeader_1x05_P2.54mm_Vertical | LSU1 |
| 3 | 10uG | L_1206_3216Metric | L1, L2, L3 |
| 10 | 1uf | R_1206_3216Metric | C1, C2, C3, C4, C5, C6, C7, C8 +2 |
| 10 | 43k | R_1206_3216Metric | R1, R2, R3, R7, R8, R12, R13, R14 +2 |
| 1 | 330R | R_1206_3216Metric | R4 |
| 1 | 10 | R_1206_3216Metric | R5 |
| 4 | 8k2 | R_1206_3216Metric | R6, R11, R24, R34 |
| 2 | 100R | R_1206_3216Metric | R9, R27 |
| 4 | 4k3 | R_1206_3216Metric | R10, R23, R33, R36 |
| 4 | 22k | R_1206_3216Metric | R15, R17, R26, R28 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 240R | R_1206_3216Metric | R16 |
| 2 | 31R | R_1206_3216Metric | R18, R19 |
| 2 | 110k* | R_1206_3216Metric | R22, r22 |
| 2 | 1K | R_1206_3216Metric | R25, R30 |
| 1 | 0.01R | R_2512_6332Metric | R29 |
| 1 | 1k* | R_1206_3216Metric | R31 |
| 1 | 47k | R_1206_3216Metric | R32 |
Bord λ principial design files
The KiCad project lives in the Alex2269/stm32_tft_spi repository on GitHub; these links point at the commit this page was built from.
Bord λ principial: common questions
How big is the Bord λ principial PCB?
The Bord λ principial measures 53.3 × 71 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Bord λ principial?
62 components, from 27 distinct parts. The full bill of materials is listed on this page.
Where can I download the Bord λ principial design files?
From the Alex2269/stm32_tft_spi repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Bord λ principial design in my own project?
The repository has no license, so all rights stay with Alex2269. Use it as a reference, and ask the author before reusing the design.
