3 open source boards using the LT3990*DD
Real designs built with the LT3990*DD, 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.
RP2040/RP2350Smol servo rpi2350-tmc6200
dognotdog
48 × 44.5 mm143 parts4LCustom license5
STM32Smol servo nomcu tmc6200
48 × 44.5 mm90 parts4LCustom license5
RP2040/RP2350SMOL-SERVO-RP-NDRV
42 × 42 mm84 parts4LCustom license5
The LT3990*DD in open source designs
The gallery holds 3 open source boards using the LT3990*DD from 1 GitHub repository; a typical one measures about 48 × 44.5 mm and carries around 90 components.
100% use four copper layers or more, and 0% carry an open source license.
The most starred is Smol servo rpi2350-tmc6200 by dognotdog.
Microcontrollers on boards using the LT3990*DD
What boards using the LT3990*DD are built for
LT3990*DD: common questions
Where can I find a LT3990*DD reference design?
Each of the 3 boards on this page is a real design using the LT3990*DD. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the LT3990*DD use?
Most are built on RP2040/RP2350 (2) and STM32 (1).
How big is a typical board using the LT3990*DD?
The median is 48 × 44.5 mm, and 0% are two-layer designs.
What is the most popular open source board using the LT3990*DD?
By GitHub stars, Smol servo rpi2350-tmc6200 by dognotdog, with 5 stars.
Can I simulate one of these boards using the LT3990*DD 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.