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Esp32 mc dimmer

MikkoTervala·esp32-dimmer·esp32-dimmer/esp32_mc_dimmer.kicad_pcb

Esp32 mc dimmer PCB layout, top view — open source ESP32 board by MikkoTervala
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About the Esp32 mc dimmer PCB

Esp32 mc dimmer is an open source ESP32 PCB design by MikkoTervala, published on GitHub. It is a 2-layer board measuring 67 × 68 mm, with 21 components from 15 distinct parts.

Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the Doit_ESP32. By type, the board carries 6 transistors, 6 connectors, 4 capacitors, 3 resistors and 2 ICs.

From the project

ESP32 multi channel dimmer

PCB for the ESP32 WROOM module, with power supply and up to six mosfets for LED strip dimming.

Uses the ESP32-C3-WROOM-02-H4 microcontroller module Built in USB C connector for programming Designed to be made with SMD assembly 12 to 24V * Designed for 5A single channel or 10A combined.

Ordering 10 PCB's with SMD assembly not including ESP32 cost 65€ Ordering 10 ESP32-C3 modules and regulators cost 43€

Esp32 mc dimmer, from the project README
From the project README

Main components on the Esp32 mc dimmer

Doit_ESP32ESP32-WROOM-32

Esp32 mc dimmer bill of materials (BOM)

21 components, 15 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Doit_ESP32
U1
1
ESP32-WROOM-32
U2
6
AON7524
BUZ11
Q1, Q2, Q3, Q4, Q5, Q6
1
USB_C_RECEPTACLE_USB2.0
Conn_01x06
J1
1
Conn_01x04
J2
1
Conn_01x10
J3
1
Conn_01x02
J4
2
Conn_01x06
J5, J6
1
C15849
C_Small
C1
1
C21120
C2 0.1µF
C2
1
C13585
C3 0.1µf
C3
1
C13585
C4 10µf
C4
1
10K
R_Small
R1
1
5.1K
R_Small
R2
1
5.1K
R3 10k
R3

Esp32 mc dimmer design files

The KiCad project lives in the MikkoTervala/esp32-dimmer repository on GitHub; these links point at the commit this page was built from.

Esp32 mc dimmer: common questions

What microcontroller does the Esp32 mc dimmer use?

The Esp32 mc dimmer is built around the ESP32-WROOM-32, from the ESP32 family.

How big is the Esp32 mc dimmer PCB?

The Esp32 mc dimmer measures 67 × 68 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Esp32 mc dimmer?

21 components, from 15 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Esp32 mc dimmer design files?

From the MikkoTervala/esp32-dimmer repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Esp32 mc dimmer design in my own project?

The repository has no license, so all rights stay with MikkoTervala. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Esp32 mc dimmer without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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