9 open source boards using the DS3231MZ
Real designs built with the DS3231MZ, 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.
Open smartwatch light
Open-Smartwatch
36.1 × 36.1 mm51 parts4LGPL-3.0246
Open smartwatch gps
45 × 41 mm67 parts4LGPL-3.0241
AVR/ArduinoPlayground 68030 Mk I
thorpej
259.9 × 154.9 mm227 parts6LNo license15
RPi-Hat-Thermocouple
mikelawrence
65 × 56 mm40 parts2LMIT9
Raspberry PiGranit
laenzlinger
92 × 99.5 mm102 parts4LCERN-OHL-P-2.02
PICVFD Clock
drewsum
200 × 50 mm458 parts2LNo license1
PICNixie Clock
200 × 50 mm322 parts4LNo license0
AVR/ArduinoControlBoard rev05a
plertvilai
44.5 × 57.8 mm64 parts2LMIT7
AVR/ArduinoUnrouted
44.5 × 57.8 mm63 parts2LMIT7
The DS3231MZ in open source designs
The gallery holds 9 open source boards using the DS3231MZ from 8 GitHub repositories; a typical one measures about 65 × 56 mm and carries around 67 components.
56% use four copper layers or more, and 67% carry an open source license.
The most starred is Open smartwatch light by Open-Smartwatch.
Parts used alongside the DS3231MZ
Microcontrollers on boards using the DS3231MZ
What boards using the DS3231MZ are built for
DS3231MZ: common questions
Where can I find a DS3231MZ reference design?
Each of the 9 boards on this page is a real design using the DS3231MZ. 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 DS3231MZ?
The 74LVC1G97, 74VHC541, BMA400, CH340E and DS1683 appear in the most repositories here.
Which microcontrollers do boards using the DS3231MZ use?
Most are built on AVR/Arduino (3), PIC (2) and Raspberry Pi (1).
How big is a typical board using the DS3231MZ?
The median is 65 × 56 mm, and 44% are two-layer designs.
What is the most popular open source board using the DS3231MZ?
By GitHub stars, Open smartwatch light by Open-Smartwatch, with 246 stars.
Can I simulate one of these boards using the DS3231MZ 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.