All
goruck·all·kgiu/kicad.kicad_pcb
About the All PCB
All is an open source Raspberry Pi PCB design by goruck, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 65 × 56 mm, with 19 components from 12 distinct parts.
Its main chip is the Raspberry_Pi_2_3, from the Raspberry Pi family. Other key parts include the CD4050BE and 4N35. By type, the board carries 7 resistors, 4 ICs, 3 connectors, 3 capacitors, 1 transistor and 1 switch.
It belongs with the iot & wireless and sensors designs in this gallery.
From the project
Alexa Lambda Linux (ALL) Reference Design - IoT and ML at the edge.
NEW - ALL now supports Raspberry Pi 3 running Raspbian Buster + PREEMPT-RT patched kernel 4.19.59-rt23-v7+.
Alexa Lambda Linux (ALL) was developed to help accelerate this learning curve. ALL is a HW/SW reference design meant to enable quick prototyping and realization of the control and monitoring of things using Amazon's Alexa. A voice-controlled home security system was first built from the reference design as proof of concept which was later extended to support machine learning.

Main components on the All
All bill of materials (BOM)
19 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CD4050BE | DIP-16_W7.62mm | U1 |
| 3 | 4N35 | DIP-6_W7.62mm | U2, U3, U4 |
| 1 | STP55NF06L | TO-220-3_Horizontal_TabDown | Q1 |
| 2 | OSTTC020162 | Term_Block_1x2_P5mm | J1, J3 |
| 1 | Raspberry_Pi_2_3 | PinSocket_2x20_P2.54mm_Vertical | J2 |
| 1 | 206-2ST | SW_DIP_SPSTx02_Slide_9.78x7.26mm_W7.62mm_P2.54mm | SW1 |
| 2 | 10uF | CP_Axial_L11.0mm_D6.0mm_P18.00mm_Horizontal | C1, C2 |
| 1 | 0.1uF | C_Disc_D3.0mm_W1.6mm_P2.50mm | C3 |
| 2 | 820 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2 |
| 3 | 5.6K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R4, R7 |
| 1 | 2.7K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5 |
| 1 | 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6 |
All design files
The KiCad project lives in the goruck/all repository on GitHub; these links point at the commit this page was built from.
- Layoutkgiu/kicad.kicad_pcb
All: common questions
What microcontroller does the All use?
The All is built around the Raspberry_Pi_2_3, from the Raspberry Pi family.
How big is the All PCB?
The All measures 65 × 56 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the All?
19 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the All design files?
From the goruck/all repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the All design in my own project?
Yes, under the terms of its Apache-2.0 license, which goruck chose for the repository.
Can I test firmware for the All without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.
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