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2 layers26.4 × 17.3 mmKnock homekit v1, the printed circuit board in 3D

This repo is the resources for the project on https://youtu.be/X5OxuFtGn0

Size
26.4 × 17.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
12
Nets
28
Pads
55
Tracks, vias
79, 6
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
10 Feb 2021
Updated
17 Feb 2021

Overview

Knock homekit v1 is an open-source printed circuit board by andrewngai, from the andrewngai/HomekitKnock repository on GitHub. It is a 2-layer board of 26.4 × 17.3 mm with 12 parts on 28 nets, routed with 79 tracks and 6 vias.

It is built around the ESP-12E and AMS1117-3.3. Its parts include 3 resistors and 1 connector. It belongs with the ESP8266 boards of this library.

Main components

2

README

README.md

HomekitKnock

This repo is the resources for the project on https://youtu.be/X5Ox_uFtGn0

this device takes certain patterns of knocking and turns them into homekit triggers which you can program to automate other accessories

3D printed case: https://www.thingiverse.com/thing:4758245

Parts

12
QtyValueFootprintReferences
310KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR1, R2, R3
1AMS1117-3.3Package_TO_SOT_SMD:SOT-223-3_TabPin2AMS1117-3.3
1ESP-12EESP8266:ESP-12E_SMDESP12
1ProgramConnector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_VerticalJ3
1SensorConnector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_VerticalSensor
1USB_B_MicroConnector_USB:USB_Micro-B_Molex_47346-0001MicroUSB

The 8 most common of 12 parts.

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Questions

How big is the Knock homekit v1 PCB?

It measures 26.4 × 17.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Knock homekit v1 use?

12 parts, built around the ESP-12E and AMS1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Knock homekit v1 KiCad files?

From the andrewngai/HomekitKnock repository on GitHub, at the commit this page was made from: the board is PCB/knock_homekit_v1.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Knock homekit v1 design in my own project?

Its repository states no licence, so its author keeps all rights: ask andrewngai before reusing the design.