4 layers243.8 × 171.5 mm
2 layers49.5 × 49.5 mm
Thermostat
UserHackable/ThermostatThermostat
- Size
- 49.5 × 49.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 33
- Nets
- 41
- Pads
- 147
- Tracks, vias
- 269, 8
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 8 Apr 2016
- Updated
- 20 Jul 2026
Overview
Thermostat is an open-source printed circuit board by UserHackable, from the UserHackable/Thermostat repository on GitHub. It is a 2-layer board of 49.5 × 49.5 mm with 33 parts on 41 nets, routed with 269 tracks and 8 vias.
It is built around the DS1307Z+. Its parts include 6 resistors, 5 capacitors, 4 ICs, 2 crystals and 1 connector. It belongs with the home automation and IoT boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdThermostat
Board dimensions
- (194952, 194961) original units
- (1.9495, 1.9496) inches
- (49.5178, 49.5201) mm
| Front | Back |
|---|---|
 |  |
Parts
33| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | AXIAL-0.3 | R1, R2, R3, R5, R6 | |
| 4 | 1X04 | JP3, JP7, JP8, JP9 | |
| 4 | 1X03 | JP4, JP5, JP6, JP10 | |
| 3 | 1u | CAP-PTH-SMALL | C3, C4, C5 |
| 3 | PR39MF5 | PR39MF51 | U$1, U$2, U$3 |
| 1 | SCREWTERMINAL-3.5MM-6 | JP2 | |
| 1 | CPOL-RADIAL-100UF-25V | C2 | |
| 1 | TO-92 | U2 | |
| 1 | TO92-INLINE | IC2 | |
| 1 | RESONATOR-PTH | Y1 | |
| 1 | CAP-PTH-SMALL | C1 | |
| 1 | CR1220-THM | U$5 | |
| 1 | TC26H | Y2 | |
| 1 | 10k | AXIAL-0.3 | R4 |
| 1 | ATMEGA328P_PDIP | DIL28-3 | U1 |
| 1 | AVR_SPI_PRG_6LABELED | 2X3-NS | J1 |
| 1 | DS1307 | DIL08 | IC1 |
| 1 | FTDI_DEVICE | FTDI_DEVICE_SIDE | JP1 |
| 1 | RF24_MODULE | RF24_SOCKET | U$4 |
Questions
How big is the Thermostat PCB?
It measures 49.5 × 49.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Thermostat use?
33 parts, built around the DS1307Z+. 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 Thermostat KiCad files?
From the UserHackable/Thermostat repository on GitHub, at the commit this page was made from: the board is KiCad/Thermostat/Thermostat.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Thermostat design in my own project?
Its repository states no licence, so its author keeps all rights: ask UserHackable before reusing the design.
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