HardLabs

VANDIMMER-8CH-2big

StuartF303·vandaemon·hw/LEDDimmer/pcb/VANDIMMER-8CH-2big.kicad_pcb

VANDIMMER-8CH-2big PCB layout, top view — open source ESP32 board by StuartF303

About the VANDIMMER-8CH-2big PCB

VANDIMMER-8CH-2big is an open source ESP32 PCB design by StuartF303, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 106.7 × 132.1 mm, with 42 components from 19 distinct parts.

Its main chip is the ESP32-DevkitC-1, from the ESP32 family. Other key parts include the LM1117T-3.3. By type, the board carries 18 resistors, 11 connectors, 8 transistors, 3 capacitors and 2 ICs.

It belongs with the iot & wireless designs in this gallery.

From the project

a central camper van control system for ModBus in c#

The MQTT LED Dimmer is an ESP32-based 8-channel PWM LED controller that integrates with the VanDaemon control system via MQTT. It supports multiple devices on the network, automatic discovery, and real-time state synchronization.

- 8-Channel PWM Control: Individual brightness control (0-255) for each channel - MQTT Communication: Bidirectional control and state reporting - WiFi Configuration: Captive portal setup via WiFiManager - Auto-Discovery: Automatic device registration in VanDaemon - State Persistence: NVS storage for channel states across reboots - Status LED: WS2812 RGB LED for…

Main components on the VANDIMMER-8CH-2big

LM1117T-3.3ESP32-DevkitC-1

VANDIMMER-8CH-2big bill of materials (BOM)

42 components, 19 distinct parts.

QtyPartRefs
1
LM1117T-3.3
U1
1
ESP32-DevkitC-1
U2
8
IRLZ44N
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8
1
PWR_IN
J1
1
CH1
J2
1
CH2
J3
1
CH3
J4
1
CH4
J5
1
CH5
J6
1
CH6
J7
1
CH7
J8
1
CH8
J9
1
BTN1
J10
1
BTN2
J11
1
10uF
C1
1
100nF
C2
1
100uF
C4
8
100R
R1, R3, R5, R7, R9, R11, R13, R15
10
10K
R2, R4, R6, R8, R10, R12, R14, R16 +2

VANDIMMER-8CH-2big design files

The KiCad project lives in the StuartF303/vandaemon repository on GitHub; these links point at the commit this page was built from.

VANDIMMER-8CH-2big: common questions

What microcontroller does the VANDIMMER-8CH-2big use?

The VANDIMMER-8CH-2big is built around the ESP32-DevkitC-1, from the ESP32 family.

How big is the VANDIMMER-8CH-2big PCB?

The VANDIMMER-8CH-2big measures 106.7 × 132.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the VANDIMMER-8CH-2big?

42 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the VANDIMMER-8CH-2big design files?

From the StuartF303/vandaemon repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the VANDIMMER-8CH-2big design in my own project?

Yes, under the terms of its Apache-2.0 license, which StuartF303 chose for the repository.

Can I test firmware for the VANDIMMER-8CH-2big 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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