7 open source boards using the LM7805_TO220
Real designs built with the LM7805_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.
NXPRC11-2
AgOpenGPS-Official
159 × 130 mm100 parts4LGPL-3.020
ESP32ESP32 16
computergeek1507
142.1 × 90.8 mm91 parts2LCERN-OHL-1.210
ESP32ESP32PIX
84.8 × 88.1 mm38 parts2LCERN-OHL-1.210
RC12-3
89 × 100 mm35 parts2LGPL-3.020
Lolin Pro Controller
85.1 × 91.6 mm26 parts2LCERN-OHL-1.210
ESP32ESP32-CAM Controller
61.8 × 86 mm20 parts2LCERN-OHL-1.210
ESP32Weather Wemos
62 × 85 mm15 parts2LCERN-OHL-1.210
The LM7805_TO220 in open source designs
The gallery holds 7 open source boards using the LM7805_TO220 from 2 GitHub repositories; a typical one measures about 85.1 × 90.8 mm and carries around 35 components.
86% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is RC11-2 by AgOpenGPS-Official.
What boards using the LM7805_TO220 are built for
LM7805_TO220: common questions
Where can I find a LM7805_TO220 reference design?
Each of the 7 boards on this page is a real design using the LM7805_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 LM7805_TO220 use?
Most are built on ESP32 (4) and NXP (1).
How big is a typical board using the LM7805_TO220?
The median is 85.1 × 90.8 mm, and 86% are two-layer designs.
What is the most popular open source board using the LM7805_TO220?
By GitHub stars, RC11-2 by AgOpenGPS-Official, with 20 stars.
Can I simulate one of these boards using the LM7805_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.