Maxx io
About the Maxx io PCB
Maxx io is an open source PCB design by sjm42, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 101.6 × 61 mm, with 44 components from 15 distinct parts.
Other key parts include the TLE2426XD, L78L08_SOT89, L79L08_SOT89, OPA1612AXD and ULN2803A. By type, the board carries 18 connectors, 12 ICs, 7 resistors, 4 capacitors, 1 module and 1 jumper.
From the project
Various electronics projects
Main components on the Maxx io
Maxx io bill of materials (BOM)
44 components, 15 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TLE2426XD PCA9555PW | TSSOP-24_4.4x7.8mm_P0.65mm | U1 |
| 1 | L78L08_SOT89 PCA9555PW | TSSOP-24_4.4x7.8mm_P0.65mm | U2 |
| 1 | L79L08_SOT89 PCA9555PW | TSSOP-24_4.4x7.8mm_P0.65mm | U3 |
| 1 | OPA1612AXD PCA9555PW | TSSOP-24_4.4x7.8mm_P0.65mm | U4 |
| 2 | OPA1612AXD ULN2803A | SOP-18_7x12.5mm_P1.27mm | U5, U6 |
| 6 | ULN2803A | SOP-18_7x12.5mm_P1.27mm | U7, U8, U9, U10, U11, U12 |
| 1 | Conn_01x03_Male | PinHeader_1x03_P2.54mm_Vertical | A2 |
| 2 | Conn_01x05_Male | PinHeader_1x05_P2.54mm_Vertical | J1, J2 |
| 16 | Conn_01x09_Male | PinHeader_1x09_P2.54mm_Vertical | J1A0, J1A1, J1B0, J1B1, J2A0, J2A1, J2B0, J2B1 +8 |
| 1 | Conn_01x02 | TerminalBlock_bornier-2_P5.08mm | JP1 |
| 1 | LED | LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | LED1 |
| 4 | 10u | C_Disc_D5.1mm_W3.2mm_P5.00mm | C1, C2, C3, C4 |
| 2 | 3.3K 220 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2 |
| 2 | 220 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R7 |
| 3 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R5, R6 |
Maxx io design files
The KiCad project lives in the sjm42/electronics repository on GitHub; these links point at the commit this page was built from.
Maxx io: common questions
How big is the Maxx io PCB?
The Maxx io measures 101.6 × 61 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Maxx io?
44 components, from 15 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 Maxx io design files?
From the sjm42/electronics 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 Maxx io design in my own project?
Yes, under the terms of its Apache-2.0 license, which sjm42 chose for the repository.
