UFH Process Computer - CPU
About the UFH Process Computer - CPU PCB
UFH Process Computer - CPU is an open source AVR/Arduino PCB design by csdexter, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 90.9 × 84.6 mm, with 69 components from 43 distinct parts.
Its main chip is the ATmega328PB-A, from the AVR/Arduino family. Other key parts include the 6N137, 74LS123, 74HC595, 74LVC2G125 and MAX3483. By type, the board carries 13 diodes, 13 resistors, 12 capacitors, 11 ICs, 6 connectors and 2 transistors.
From the project
Version-controlled material related to the Valhalla project
This repository contains version-controlled material related to operation Valhalla. The documentation counterparts are currently stored in Google Drive.
Main components on the UFH Process Computer - CPU
UFH Process Computer - CPU bill of materials (BOM)
69 components, 43 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | 6N137 | DIP-8_W7.62mm | U1, U2, U3, U4, U5 |
| 1 | 74LS123 | SOIC-16_3.9x9.9mm_P1.27mm | U6 |
| 1 | ATmega328PB-A | TQFP-32_7x7mm_P0.8mm | U7 |
| 1 | 74HC595 | SOIC-16_3.9x9.9mm_P1.27mm | U8 |
| 1 | 74LVC2G125 | SSOP-8_2.95x2.8mm_P0.65mm | U9 |
| 1 | MAX3483 | SOIC-8_3.9x4.9mm_P1.27mm | U10 |
| 1 | ISO1410 | SOIC-16W_7.5x10.3mm_P1.27mm | U11 |
| 1 | PN2222A | TO-92_Inline_Wide | Q1 |
| 1 | MMBT4403 | SOT-23 | Q2 |
| 1 | 7.3728 MHz | Crystal_SMD_HC49-SD | Y1 |
| 2 | TerminalBlock, 5.08 | TerminalBlock_Phoenix_MKDS-1,5-4-5.08_1x04_P5.08mm_Horizontal | J1, J6 |
| 2 | TerminalBlock, 5.08 | TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J2, J3 |
| 1 | MaleHeader, 2.54, shrouded | IDC-Header_2x03_P2.54mm_Vertical | J4 |
| 1 | TerminalBlock, 5.08 | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J5 |
| 1 | IRM-02-5 | Converter_ACDC_MeanWell_IRM-02-xx_THT | PS1 |
| 7 | R | R_1206_3216Metric | RL2, RL3, RL6, RL7, RL8, RL9, RL13 |
| 2 | 470R | R_1206_3216Metric | RL4, RL12 |
| 1 | 1N4148 | D_SOD-123F | D1 |
| 1 | Heat | LED_D5.0mm | D2 |
| 1 | Interlock | LED_D5.0mm | D3 |
Show 23 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BusTx | LED_D5.0mm | D4 |
| 1 | Pump | HDSP-4850 | D5 |
| 1 | Pump UVLO | LED_D5.0mm | D6 |
| 1 | Pump Stand-By | LED_D5.0mm | D7 |
| 1 | Pump MFault | LED_D5.0mm | D8 |
| 1 | Pump EFault | LED_D5.0mm | D9 |
| 1 | BAT54S_R1_00001 | SOT-23-3 | D10 |
| 1 | 3.3V | SOT-23-3 | D11 |
| 1 | BusRx | LED_D5.0mm | D12 |
| 1 | Power | LED_D5.0mm | D13 |
| 1 | FerriteBead | L_1206_3216Metric | FB1 |
| 7 | 0.1uF | C_1206_3216Metric | C1, C2, C3, C4, C5, C7, C12 |
| 1 | 4.7uF | C_1206_3216Metric | C6 |
| 1 | 3.3uF | C_1206_3216Metric | C8 |
| 2 | 20pF | C_1206_3216Metric | C9, C10 |
| 1 | 4.7nF | C_1206_3216Metric | C11 |
| 6 | R | R_1206_3216Metric | R1, R3, R4, R5, R6, R7 |
| 1 | 470R | R_1206_3216Metric | R2 |
| 1 | 470K | R_1206_3216Metric | R8 |
| 1 | 47K | R_1206_3216Metric | R9 |
| 1 | R_Network10 | R_Array_SIP11 | R10 |
| 2 | 0R | R_1206_3216Metric | R11, R13 |
| 1 | 10K | R_1206_3216Metric | R12 |
UFH Process Computer - CPU design files
The KiCad project lives in the csdexter/valhalla repository on GitHub; these links point at the commit this page was built from.
UFH Process Computer - CPU: common questions
What microcontroller does the UFH Process Computer - CPU use?
The UFH Process Computer - CPU is built around the ATmega328PB-A, from the AVR/Arduino family.
How big is the UFH Process Computer - CPU PCB?
The UFH Process Computer - CPU measures 90.9 × 84.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the UFH Process Computer - CPU?
69 components, from 43 distinct parts. The full bill of materials is listed on this page.
Where can I download the UFH Process Computer - CPU design files?
From the csdexter/valhalla repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the UFH Process Computer - CPU design in my own project?
Yes, under the terms of its GPL-3.0 license, which csdexter chose for the repository.
Can I test firmware for the UFH Process Computer - CPU without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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