40 open source boards using the DS18B20
Real designs built with the DS18B20, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
AVR/ArduinoZuendbox v3 32
fixxl
213.6 × 127.5 mm153 parts2LNo license10
STM32CMM2-JLC
Manawyrm
130 × 102 mm110 parts2LGPL-3.010
ESP32Meteo station
alicjamusial
110 × 90 mm23 parts2LCC-BY-SA-4.08
AVR/ArduinoAVRThermostat
protaskin
54.6 × 71.8 mm31 parts2LMIT7
AVR/ArduinoBertha main
Hackuarium
100 × 87 mm155 parts2LNo license6
Klipper-Fan-Hat
mikepthomas
65 × 56.5 mm59 parts2LGPL-3.06
Raspberry PiPcb smarter pi
klein0r
56 × 65 mm20 parts2LMIT6
ESP32SensactHs
klaus-liebler
100 × 86.5 mm317 parts2LApache-2.04
STM32BigSur
ParadigmHyperloop
196.4 × 70 mm145 parts2LCustom license4
OBeMS
johnbeardmore
180 × 120 mm123 parts2LLGPL-3.03
Spotwelderix
swifty99
100 × 70 mm58 parts2LGPL-3.02
AVR/ArduinoWeather station
z0b1
37.3 × 36.5 mm11 parts4LNo license2
NXPTeensy boardV 1
Cosys-Lab
66.5 × 46 mm590 parts2LCC-BY-SA-4.01
PICPIC DEV BOARD
anshukumar146
140.7 × 128.5 mm102 parts4LNo license1
ESP32Espac
metehus
95 × 95 mm62 parts2LNo license1
Hardware
gfroerli
56 × 90 mm37 parts2LNo license1- schematic only · 28 partsESP32
Hydroponic veggie garden
Gregovate
28 partsMIT1 - schematic only · 8 partsESP32
Routeur solaire
aginies
8 parts2LNo license1 
STM32Hvac v2
candykingdom
125 × 93 mm154 parts2LNo license0
ESP8266Wiscale hw
makerspacelt
100 × 50 mm107 parts2LNo license0
NXPInteractice Counter Controller
daniel-bornhorst
82.6 × 88.9 mm65 parts2LNo license0
ESP32Dryer
souptik-samanta
50 × 50 mm31 parts4LNo license0
ESP32Laser Controller
Andre1Becker
175 × 117.8 mm79 parts2LGPL-3.05
ESP32SensactHsIO5
90 × 67.5 mm213 parts2LApache-2.04
STM32GeneralMCU
30 × 80 mm87 parts2LCustom license4
ESP8266NodeMCU-Metriful
axello
81.7 × 57.1 mm21 parts2LNo license1
ESP8266Heizungsbooster
SmartHome-yourself
60.3 × 75.1 mm26 parts2LGPL-2.06
ESP32SensactHsIO4
90 × 74.6 mm196 parts2LApache-2.04
STM32GeneralMCU - Old
46.7 × 47.8 mm82 parts2LCustom license4
ESP32Fan control
MTalon63
50 × 50 mm56 parts6LCustom license2
Spotwelderix.kicad pcb vias
128.5 × 64.3 mm33 parts2LGPL-3.02
ESP32Esp32-temp
angelnu
57.1 × 56.3 mm24 parts2LApache-2.024
ESP32SensactHsIO3
90 × 53 mm187 parts2LApache-2.04
ESP32SensactUp4
70 × 70 mm145 parts2LApache-2.04
ESP32Interconnect
henkjannl
96 × 75 mm12 parts2LMIT1
ESP32SensactOutdoor
100 × 91.6 mm129 parts2LApache-2.04
The DS18B20 in open source designs
The gallery holds 40 open source boards using the DS18B20 from 28 GitHub repositories; a typical one measures about 90 × 70.9 mm and carries around 81 components.
90% are two-layer designs, the rest use four layers or more, and 60% carry an open source license.
The most starred is Esp32-temp by angelnu.
Parts used alongside the DS18B20
Microcontrollers on boards using the DS18B20
What boards using the DS18B20 are built for
DS18B20: common questions
Where can I find a DS18B20 reference design?
Each of the 40 boards on this page is a real design using the DS18B20. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the DS18B20?
The AMS1117-3.3, ESP32-S3-WROOM-1, HX711, AMS1117 and AZ1117-3.3 appear in the most repositories here.
Which microcontrollers do boards using the DS18B20 use?
Most are built on ESP32 (18), STM32 (5), AVR/Arduino (4) and ESP8266 (3).
How big is a typical board using the DS18B20?
The median is 90 × 70.9 mm, and 90% are two-layer designs.
What is the most popular open source board using the DS18B20?
By GitHub stars, Esp32-temp by angelnu, with 24 stars.
Can I simulate one of these boards using the DS18B20 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.