4 open source boards using the LF33_TO220
Real designs built with the LF33_TO220, 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.
ESP32Meteo station
alicjamusial
110 × 90 mm23 parts2LCC-BY-SA-4.08
AVR/ArduinoWs 3.0
boanjo
72.7 × 114 mm53 parts2LNo license4
Control panel
jevans3142
69.9 × 67.3 mm35 parts2LNo license1
STM32X1
embeddedalpha
30 × 80 mm57 parts2LMIT75
The LF33_TO220 in open source designs
The gallery holds 4 open source boards using the LF33_TO220 from 4 GitHub repositories; a typical one measures about 71.3 × 85 mm and carries around 44 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is X1 by embeddedalpha.
Microcontrollers on boards using the LF33_TO220
What boards using the LF33_TO220 are built for
LF33_TO220: common questions
Where can I find a LF33_TO220 reference design?
Each of the 4 boards on this page is a real design using the LF33_TO220. 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 LF33_TO220 use?
Most are built on AVR/Arduino (1), ESP32 (1) and STM32 (1).
How big is a typical board using the LF33_TO220?
The median is 71.3 × 85 mm, and 100% are two-layer designs.
What is the most popular open source board using the LF33_TO220?
By GitHub stars, X1 by embeddedalpha, with 75 stars.
Can I simulate one of these boards using the LF33_TO220 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.