3 open source boards using the SN74LV1T34DBVR
Real designs built with the SN74LV1T34DBVR, 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.
ESP32
WeatherV3-kernelcon2026
ZonkSec
66 × 143.3 mm82 parts2LNo license4OTTO-Beta-Aux
bitfieldaudio
288.5 × 80.1 mm173 parts2LCC-BY-NC-4.037Bidirectional Amp
oresat
52 × 68.4 mm135 parts4LGPL-3.017
The SN74LV1T34DBVR in open source designs
The gallery holds 3 open source boards using the SN74LV1T34DBVR from 3 GitHub repositories; a typical one measures about 66 × 80.1 mm and carries around 135 components.
67% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.
The most starred is OTTO-Beta-Aux by bitfieldaudio.
Microcontrollers on boards using the SN74LV1T34DBVR
What boards using the SN74LV1T34DBVR are built for
SN74LV1T34DBVR: common questions
Where can I find a SN74LV1T34DBVR reference design?
Each of the 3 boards on this page is a real design using the SN74LV1T34DBVR. 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 SN74LV1T34DBVR use?
Most are built on ESP32 (1).
How big is a typical board using the SN74LV1T34DBVR?
The median is 66 × 80.1 mm, and 67% are two-layer designs.
What is the most popular open source board using the SN74LV1T34DBVR?
By GitHub stars, OTTO-Beta-Aux by bitfieldaudio, with 37 stars.
Can I simulate one of these boards using the SN74LV1T34DBVR 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.