20 open source boards using the MAX98357A
Real designs built with the MAX98357A, 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
Monopoly-Electronic-V2
Pegoku
93.3 × 128.4 mm97 parts2LCC-BY-NC-4.03Handheld Gaming device
DhairyaAPImaster
180.5 × 81.8 mm60 parts2LNo license2ESP32
HearingAid ESP
AveryLion03
90.8 × 58.2 mm44 parts2LNo license2ESP32
Kiki player
alaotach
86 × 109.7 mm42 parts2LNo license2MARS Dev Board
innate-inc
108.4 × 89.2 mm126 parts6LCERN-OHL-S-2.01ESP32
Reverb
DynamicWhiteHat
82.6 × 74.3 mm102 parts2LNo license1ESP32
Koganeee
Sujay-Golla
66 × 71 mm92 parts4LMIT1Nordic nRF
Koe Pro v2
yukihamada
45 × 30 mm43 parts4LMIT1ESP32
Eidolon
alaotach
52 × 43 mm19 parts2LNo license1ESP32
Mercurio-RevB
indoor-industry
86.4 × 50.8 mm162 parts4LGPL-3.00ESP32
Alec main
eshelton328
64 × 56 mm112 parts4LNo license0ESP32
Isc motorbeep
ISC-HEI
70 × 50 mm69 parts4LNo license0ESP32
Tuyyo-Hackclub
andaniayan-jpg
99.9 × 99.9 mm28 parts2LNo license0Handheld Panel
DhairyaAPImaster
337.8 × 95.8 mm58 parts2LNo license2HearingAid Left
AveryLion03
20.8 × 15.3 mm22 parts2LNo license2ESP32
Esp32s3-devkit-5v
eshelton328
64 × 56 mm112 parts4LNo license0ESP32
HearingAid RightV3
AveryLion03
18.3 × 16.1 mm19 parts2LNo license2Hmi modulino
OpenAir-Lab
70 × 57.5 mm60 parts2LMIT3Audio
OpenAir-Lab
41 × 25.4 mm22 parts2LMIT3PCB Sistema de intercambio de mensajes de voz
brengi
50 × 100 mm35 parts2LNo license7
The MAX98357A in open source designs
The gallery holds 20 open source boards using the MAX98357A from 15 GitHub repositories; a typical one measures about 70 × 57.8 mm and carries around 59 components.
65% are two-layer designs, the rest use four layers or more, and 30% carry an open source license.
The most starred is PCB Sistema de intercambio de mensajes de voz by brengi.
Parts used alongside the MAX98357A
Microcontrollers on boards using the MAX98357A
What boards using the MAX98357A are built for
MAX98357A: common questions
Where can I find a MAX98357A reference design?
Each of the 20 boards on this page is a real design using the MAX98357A. 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 MAX98357A?
The ESP32-S3-WROOM-1, AMS1117-3.3, ESP32-S3, TP4056-42-ESOP8 and AP2112K-3.3 appear in the most repositories here.
Which microcontrollers do boards using the MAX98357A use?
Most are built on ESP32 (12) and Nordic nRF (1).
How big is a typical board using the MAX98357A?
The median is 70 × 57.8 mm, and 65% are two-layer designs.
What is the most popular open source board using the MAX98357A?
By GitHub stars, PCB Sistema de intercambio de mensajes de voz by brengi, with 7 stars.
Can I simulate one of these boards using the MAX98357A 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.