Rpi with supply
About the Rpi with supply PCB
Rpi with supply is an open source AVR/Arduino PCB design by cnlohr, published on GitHub under the MIT license. It is a 2-layer board measuring 65 × 56 mm, with 39 components from 27 distinct parts.
Its main chip is the ATTINY25, from the AVR/Arduino family. Other key parts include the A8498, L7812 and TPS22810. By type, the board carries 10 resistors, 8 capacitors, 7 connectors, 5 diodes, 4 ICs and 3 transistors.
From the project
My various pi hats.
Main components on the Rpi with supply
Rpi with supply bill of materials (BOM)
39 components, 27 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATTINY25 | SOIC-8-WIDE | IC1 |
| 1 | A8498 | SOIC-8-EP-THRU | U1 |
| 1 | L7812 | TO-263-3Lead | U2 |
| 1 | TPS22810 | SOT-23-6 | U3 |
| 2 | DMN2046 | SOT-23 | Q1, Q3 |
| 1 | FDV304P | SOT-23 | Q2 |
| 2 | Phoenix 1933189 COMBICON | PHOENIX1933189 | J3, J4 |
| 1 | Raspberry_Pi_2_3 | IDC_Header_Straight_40pins | J5 |
| 1 | FAN | Socket_Strip_Straight_1x02_Pitch2.54mm | J6 |
| 1 | CONN_02X02 | Pin_Header_Straight_2x02 | P10 |
| 1 | WS2812 | Pin_Header_Straight_1x03 | P11 |
| 1 | UPDI | Pin_Header_Straight_1x03 | P12 |
| 1 | PWR | TACTILE10 | SW1 |
| 2 | RED | LED_0805 | D1, D5 |
| 1 | ORN | LED_0805 | D2 |
| 1 | D_Schottky | D_SMA | D4 |
| 1 | BLU | LED_0805 | D6 |
| 1 | 68uH | CHARLES_INDUCTOR | L1 |
| 1 | 220uF10v | CP_Elec_8x6.7 | C1 |
| 4 | .1u | C_0805 | C2, C4, C6, C8 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 220uF16v | CP_Elec_8x6.7 | C3, C5 |
| 1 | 10nF | C_0805 | C7 |
| 5 | 10k | R_0805 | R1, R2, R3, R7, R11 |
| 1 | 63.4k | R_0805 | R4 |
| 2 | 1.5k | R_0805 | R6, R9 |
| 1 | 220 | R_0805 | R8 |
| 1 | 1k | R_0805 | R10 |
Rpi with supply design files
The KiCad project lives in the cnlohr/cnpihats repository on GitHub; these links point at the commit this page was built from.
Rpi with supply: common questions
What microcontroller does the Rpi with supply use?
The Rpi with supply is built around the ATTINY25, from the AVR/Arduino family.
How big is the Rpi with supply PCB?
The Rpi with supply measures 65 × 56 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Rpi with supply?
39 components, from 27 distinct parts. The full bill of materials is listed on this page.
Where can I download the Rpi with supply design files?
From the cnlohr/cnpihats repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Rpi with supply design in my own project?
Yes, under the terms of its MIT license, which cnlohr chose for the repository.
Can I test firmware for the Rpi with supply 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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