2 layers83.6 × 86.6 mm
2 layers60 × 50 mm
Theia
loldavid6/Theia2An easy, cheap and open source way to add IoT to a light switch.
- Size
- 60 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 34
- Nets
- 29
- Pads
- 104
- Tracks, vias
- 234, 24
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 31 Jul 2016
- Updated
- 29 Sep 2016
Overview
Theia is an open-source printed circuit board by loldavid6, from the loldavid6/Theia repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 60 × 50 mm with 34 parts on 29 nets, routed with 234 tracks and 24 vias.
It is built around the ESP8266-12E, LD1117 and SRD-05VDC-SL-C. Its parts include 7 capacitors, 7 ICs, 6 resistors, 5 diodes and 2 inductors. It belongs with the ESP8266 boards of this library.
Main components
3ESP8266-12E
LCC-22P_16X24mmLCC-22P_16X24mm New Arrivals ROHSAi-ThinkerUncategorisedLD1117
UncategorisedSTMicroelectronics
SRD-05VDC-SL-C
插件,19.2x15.6mm100mΩ 10ms 10ms 15A 250V@AC 360mW 5 5V 70Ω Non-Polarized - Single Coil One set changeover: 1C (SPDT - changeover) 插件,19.2x15.6mm Power Relays ROHS松乐Power Relays
README
README.mdTheia IoT light-switch
An easy, cheap and open source way to add IoT to a light switch.
Suggested Features
- Clap detection circuit
- Current flow detection (detect if the bulb is on or not, switch state, blown bulb, etc.)
Prototypes
Current hardware revision is "MK2"
Check out the prototypes [here] (../master/Hardware/Prototypes/)
Parts
34| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | DIODE | D3 | D1, D2, D3, D4 |
| 3 | CONN_2 | 5mm | U1, U3, U7 |
| 2 | 815-AIUR-02H-102K | L1, L2 | |
| 2 | 100nF | C2 | C1, C7 |
| 2 | 4.7uF 400V | CP4 | C4, C5 |
| 1 | PIN_ARRAY_4x1 | ||
| 1 | 1.7kOhm | R1 | R2 |
| 1 | 100uF 16V | CP4 | C2 |
| 1 | 10uF | C2 | C6 |
| 1 | 10uF 35V | CP4 | C3 |
| 1 | 13.0 kΩ 1% | R1 | R1 |
| 1 | 1N4001 | D3 | D5 |
| 1 | 1kOhm | R1 | R6 |
| 1 | 2.05 kΩ 1% | R1 | R3 |
| 1 | 3.3 kΩ | R1 | R4 |
| 1 | 3.3kOhm | R1 | R5 |
| 1 | 8.2Ω 2W | R1 | RF1 |
| 1 | CONN_5 | PIN_ARRAY_5x1 | P2 |
| 1 | ESP8266-12 | ESP8266-12 | U4 |
| 1 | LD1117 | TO220_VERT | U6 |
| 1 | LNK304_P/G | DIP-8__300 | U2 |
| 1 | NPN | TO92 | Q1 |
| 1 | PROG1 | SIL-2 | W2 |
| 1 | PROG2 | SIL-2 | W3 |
| 1 | RST | SIL-2 | W1 |
| 1 | SRD-05VDC-SL-C | SRD-05VDC-SL-C | U5 |
Questions
How big is the Theia PCB?
It measures 60 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Theia use?
34 parts, built around the ESP8266-12E, LD1117 and SRD-05VDC-SL-C. 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 Theia KiCad files?
From the loldavid6/Theia repository on GitHub, at the commit this page was made from: the board is Hardware/Prototypes/MK0.1/kicad/Theia.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Theia design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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