Universal io board
About the Universal io board
Universal io board is an open source PCB design by alexspur, published on GitHub. It is a 2-layer board measuring 211.2 × 122.4 mm, with 129 components from 30 distinct parts.
Other key parts include the R-78E5.0-1.0, AMS1117-3.3, ADS1256IDBT, REF5050IDGK and DAC8568ICPW. By type, the board carries 47 resistors, 38 capacitors, 15 diodes, 13 ICs, 9 connectors and 4 relays.
Main components on the Universal io board
Universal io board bill of materials (BOM)
129 components, 30 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | R-78E5.0-1.0 | Converter_DCDC_RECOM_R-78E-0.5_THT | U1 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U2 |
| 2 | ADS1256IDBT | SOP65P780X200-28N | U3, U6 |
| 2 | REF5050IDGK | MSOP-8_3x3mm_P0.65mm | U4, U5 |
| 1 | DAC8568ICPW | SOP65P640X120-16N | U7 |
| 1 | OPA4192IDR | D0014A_N | U8 |
| 4 | XTR111AxDGQ | MSOP-10-1EP_3x3mm_P0.5mm_EP2.2x3.1mm_Mask1.83x1.89mm_ThermalVias | U9, U13, U14, U17 |
| 1 | ULN2803A | SOIC-18W_7.5x11.6mm_P1.27mm | U15 |
| 2 | Crystal | Crystal_SMD_HC49-SD | Y1, Y2 |
| 1 | 1757255 | 1757255 | J1 |
| 2 | Conn_01x22_Socket | PinSocket_1x22_P2.54mm_Vertical | J2, J3 |
| 5 | 1190374 | PHOENIX_1190374 | J4, J5, J6, J8, J10 |
| 1 | 1190365 | PHOENIX_1190365 | J7 |
| 4 | G5LE-1 | Relay_SPDT_Omron-G5LE-1 | K1, K2, K3, K4 |
| 1 | IRM-20-24 | CONV_IRM-20-24 | PS1 |
| 3 | LED | LED_0805_2012Metric | D1, D13, D14 |
| 12 | D_TVS | DO-214AASMB_J-BEND_LTF | D2, D3, D4, D5, D6, D7, D8, D9 +4 |
| 9 | 10uF | C_0805_2012Metric | C1, C2, C3, C9, C11, C13, C24, C27 +1 |
| 1 | 22uF | C_0805_2012Metric | C4 |
| 4 | 18pF | C_0805_2012Metric | C5, C6, C25, C26 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 19 | 100nF | C_0805_2012Metric | C7, C10, C12, C14, C15, C16, C17, C18 +11 |
| 2 | 1uF | C_0805_2012Metric | C8, C23 |
| 1 | 2.2uF | C_0805_2012Metric | C34 |
| 2 | 100uF | CP_Radial_D6.3mm_P2.50mm | C38, C40 |
| 9 | 1k | R_0805_2012Metric | R1, R2, R7, R10, R17, R18, R19, R22 +1 |
| 25 | 10k | R_0805_2012Metric | R3, R4, R5, R6, R8, R9, R11, R12 +17 |
| 4 | 249 | R_0805_2012Metric | R26, R27, R28, R50 |
| 4 | 100 | R_0805_2012Metric | R37, R38, R41, R42 |
| 4 | 20k | R_0805_2012Metric | R39, R40, R43, R44 |
| 1 | 330 | R_0805_2012Metric | R54 |
Universal io board design files
The KiCad project lives in the alexspur/pcb-projects repository on GitHub; these links point at the commit this page was built from.
Universal io board: common questions
How big is the Universal io board?
The Universal io board measures 211.2 × 122.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Universal io board?
129 components, from 30 distinct parts. The full bill of materials is listed on this page.
Where can I download the Universal io board design files?
From the alexspur/pcb-projects repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Universal io board design in my own project?
The repository has no license, so all rights stay with alexspur. Use it as a reference, and ask the author before reusing the design.