2 layers85 × 56 mm
Yoga v2
mschwingen/hardware
Hardware designs by Michael Schwingen, michael at schwingen dot org
85 parts10
2 layers120 × 70 mm
SMART THERMOSTAT
leo-recover/domoticsA simple domotics system using Raspberry-Pi, several smart nodes, and radio modules
- Size
- 120 × 70 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 64
- Nets
- 58
- Pads
- 241
- Tracks, vias
- 448, 55
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 3 Dec 2017
- Updated
- 23 Feb 2018
Overview
SMART THERMOSTAT is an open-source printed circuit board by leo-recover, from the leo-recover/domotics repository on GitHub, published under the MIT licence. It is a 2-layer board of 120 × 70 mm with 64 parts on 58 nets, routed with 448 tracks and 55 vias.
It is built around the ATMEGA328P-PU, DS18B20 and FT231XS-R, with the 24FC1025-I/P, BCW33 and BLM18PG471SN1 among its other parts. Its parts include 15 capacitors, 13 resistors, 10 connectors, 6 ICs and 6 diodes. It belongs with the home automation and IoT boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
7
ATMEGA328P-PU
DIP-28-300mil-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH DIP-28-300mil Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
DS18B20
TO-92-55℃~+125℃ 12bit 3V~5.5V 750ms Single-bus ±0.4℃ TO-92 Temperature Sensors ROHSUMWTemperature Sensors
FT231XS-R
SSOP-20-150mil-40℃~+85℃ 125uA 5V 8.4mA USB 2.0 USB to UART SSOP-20-150mil USB Converters ROHSFTDIUSB Converters
24FC1025-I/P
PDIP-8-40℃~+85℃ 1,000,000 cycles 1.8V~5.5V 1MHz 200 Years 5ms Hardware write protection function、Noise suppression function I2C PDIP-8 EEPROM ROHSMicrochip TechnologyEEPROM
BCW33
SOT-23-65℃~+150℃ 1 NPN 100MHz 100mA 100nA 210mV 250mW 32V 420 5V NPN SOT-23 Bipolar (BJT) ROHSNexperiaBipolar (BJT)
BLM18PG471SN1
06031 1A 200mΩ 470Ω@100MHz ±25% 0603 Ferrite Beads ROHSMurataFerrite Beads
ZHCS2000
SOT23-6Schottky DiodesTECH PUBLIC
README
README.mddomotics
A simple domotics system using Raspberry-Pi, several smart nodes, and radio modules.
WORK IN PROGRESS
Currently domotics is still WIP. This means that it's not working. Specifically:
- HW project is OK, meaning that it can be used as a development board for this (or other) project
- FW project is the under development, but not working
- SW project is not started yet
Parts
64| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 1N6479 | DO-213AB | D3, D4, D5, D6 |
| 4 | 750 | SM1206 | R8, R9, R10, R11 |
| 4 | BCW33 | SOT23 | Q1, Q2, Q3, Q4 |
| 4 | VAL** | HOLE_M3 | HOLE_M3, HOLE_M3, HOLE_M3, HOLE_M3 |
| 3 | 100n | c_1206 | C1, C2, C6 |
| 3 | 4.7K | SM1206 | R1, R5, R6 |
| 2 | 100nF | c_1206 | C7, C10 |
| 2 | 100u | POSCAP_TPG | C8, C15 |
| 2 | 15p | c_1206 | C3, C4 |
| 2 | 1u | c_1206 | C5, C13 |
| 2 | 27R | SM1206 | R2, R3 |
| 2 | 470K | SM1206 | R12, R13 |
| 2 | 47pF | c_1206 | C11, C12 |
| 2 | RELAY_TX2-LT-3 | tx-lt-3 | K1, K2 |
| 1 | 10R | SM1206 | R4 |
| 1 | 10nF | c_1206 | C14 |
| 1 | 10uH | CDRH5D28 | L1 |
| 1 | 120 | SM1206 | R7 |
| 1 | 16MHz | XTAL_THM | X1 |
| 1 | 24FC1025 | DIP-8__300_ELL | U3 |
| 1 | 3V3 | PIN_ARRAY_1 | P6 |
| 1 | 4.7uF | c_elec_5x5.3 | C9 |
| 1 | ATMEGA328P-P | DIP-28__300_ELL | IC1 |
| 1 | AUX | pin_array_3x2 | P4 |
| 1 | BATT | PIN_ARRAY_1 | P5 |
| 1 | BATTERY | 2PIN_508 | P1 |
| 1 | BLM18PG471SN1 | SM0603 | L2 |
| 1 | DS18B20 | TO92-INVERT | U2 |
| 1 | FT231XS | SSOP20 | U5 |
| 1 | GND | PIN_ARRAY_1 | P7 |
| 1 | ICSP | pin_array_3x2 | P3 |
| 1 | IRF7404 | so-8 | U1 |
| 1 | JACK_4P | JACK_4P | P9 |
| 1 | JUMPER | PIN_ARRAY_2X1 | JP1 |
| 1 | RADIO | pin_array_4x2 | P2 |
| 1 | RED_LED | LED-5MM | D2 |
| 1 | RELAY | PIN_ARRAY_12X1_5MM | P8 |
| 1 | SP6641B | SOT23-5 | U4 |
| 1 | USB-MICRO-B | usb_micro_b | CON1 |
| 1 | ZHCS2000 | SOT23_6 | D1 |
Questions
How big is the SMART THERMOSTAT PCB?
It measures 120 × 70 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SMART THERMOSTAT use?
64 parts, built around the ATMEGA328P-PU, DS18B20, FT231XS-R and 24FC1025-I/P. 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 SMART THERMOSTAT KiCad files?
From the leo-recover/domotics repository on GitHub, at the commit this page was made from: the board is hardware/SMART_THERMOSTAT.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the SMART THERMOSTAT design in my own project?
Its repository publishes it under the MIT 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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