Io
About the Io PCB
Io is an open source PCB design by zapta, published on GitHub. It is a 2-layer board measuring 90 × 88.4 mm, with 47 components from 14 distinct parts.
Other key parts include the B0505MT-1WR4, ESD5344D-TP, ADUM1201ARZ-RL7 and XC6206P332MR. By type, the board carries 17 capacitors, 12 resistors, 8 ICs, 6 test points, 2 connectors and 2 diodes.
It belongs with the power & battery designs in this gallery.
From the project
A modular data acquisition system.
Backplane Proto board Controller board Power supply board
Main components on the Io
Io bill of materials (BOM)
47 components, 14 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | B0505MT-1WR4 | Converter_DCDC | U1 |
| 3 | ESD5344D-TP | Diodes_UDFN-10_1.0x2.5mm_P0.5mm | U2, U3, U8 |
| 2 | ADUM1201ARZ-RL7 | SOIC-8_3.9x4.9mm_P1.27mm | U4, U5 |
| 2 | XC6206P332MR | SOT-23-3 | U6, U7 |
| 2 | CONN_01X04_PIN Conn_01x04_Pin | connector_4pins_horizontal | J1, J2 |
| 6 | TestPoint | Test_Pad | TP1, TP2, TP3, TP4, TP5, TP6 |
| 2 | C72043 GRN | LED_0603_1608Metric | D1, D2 |
| 5 | 10U 10u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C5, C12, C13, C16 |
| 10 | 100N 100n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C6, C7, C8, C9, C10, C11, C14 +2 |
| 2 | 1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C4 |
| 4 | C21189 0R | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R13, R14 |
| 2 | 24K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R5 |
| 4 | 1K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7, R8, R9, R10 |
| 2 | 5K1 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R15, R16 |
Io design files
The KiCad project lives in the zapta/daq repository on GitHub; these links point at the commit this page was built from.
Io: common questions
How big is the Io PCB?
The Io measures 90 × 88.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Io?
47 components, from 14 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 Io design files?
From the zapta/daq 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 Io design in my own project?
The repository has no license, so all rights stay with zapta. Use it as a reference, and ask the author before reusing the design.
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