9 open source boards using the C84681
Real designs built with the C84681, 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.
ESP32Kaleido 6" controller based on epdiy v7
vroland
138.1 × 104.6 mm121 parts4LCC-BY-SA-4.073
ESP32MRR ESPA
maplerainresearch
99.5 × 90.5 mm126 parts2LCERN-OHL-1.258
ESP32MRR ESPE
102 × 102 mm164 parts2LCERN-OHL-1.238
ESP8266DCTransistor Bidirectional
LArkema
304.8 × 304.8 mm270 parts2LCC-BY-NC-4.030
ESP32Redroid go
aseoista
70 × 95 mm80 parts2LGPL-3.010
ESP8266Models heart
KushlaVR
29.9 × 32 mm63 parts4LGPL-3.07
Maglock hw
makerspacelt
98 × 98 mm195 parts2LNo license0
ESP32Epdiy v7
100 × 55 mm108 parts4LCC-BY-SA-4.073
ESP8266DCTransistor standard
304.8 × 304.8 mm169 parts2LCC-BY-NC-4.030
The C84681 in open source designs
The gallery holds 9 open source boards using the C84681 from 7 GitHub repositories; a typical one measures about 100 × 98 mm and carries around 126 components.
67% are two-layer designs, the rest use four layers or more, and 67% carry an open source license.
The most starred is Kaleido 6" controller based on epdiy v7 by vroland.
What boards using the C84681 are built for
C84681: common questions
Where can I find a C84681 reference design?
Each of the 9 boards on this page is a real design using the C84681. 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 C84681?
The C6186, C16581, C27438, C45886 and C95209 appear in the most repositories here.
Which microcontrollers do boards using the C84681 use?
Most are built on ESP32 (5) and ESP8266 (3).
How big is a typical board using the C84681?
The median is 100 × 98 mm, and 67% are two-layer designs.
What is the most popular open source board using the C84681?
By GitHub stars, Kaleido 6" controller based on epdiy v7 by vroland, with 73 stars.
Can I simulate one of these boards using the C84681 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.