HardLabs

Fan Control Board

PJalv·SDP-IoT-Device-Control·schematics/Fan_Device/Fan_Device.kicad_pcb

Fan Control Board layout, top view — open source ESP32 board by PJalv

About the Fan Control Board

Fan Control Board is an open source ESP32 PCB design by PJalv, published on GitHub. It is a 4-layer board measuring 120.1 × 93.2 mm, with 16 components from 11 distinct parts.

Its main chip is the ESP32S WROOM, from the ESP32 family. Other key parts include the LM2596 Step Down and Songle SRD-03VDC-SL-C. By type, the board carries 6 ICs, 5 resistors, 2 switches, 2 capacitors and 1 connector.

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

From the project

- Overview - Features - Repository Structure - Modules - Getting Started - Installation - Usage - Project Roadmap - License - Acknowledgments

- Overview - Features - Repository Structure - Modules - Getting Started - Installation - Usage - Project Roadmap - License - Acknowledgments

- ESP32 Microcontroller: Required for device control and data collection. - Linux-based Machine for Broker: We used a Raspberry Pi with a touchscreen for this purpose. - Linux Machine for Cloud Server: This could be the same machine as the broker or a separate one. ## Cloning the Repository

Fan Control Board, from the project README
From the project README

Main components on the Fan Control Board

ESP32S WROOMLM2596 Step DownSongle SRD-03VDC-SL-C

Fan Control Board bill of materials (BOM)

16 components, 11 distinct parts.

QtyPartRefs
1
ESP32S WROOM
U1
1
LM2596 Step Down
U2
1
~
U3
1
Songle SRD-03VDC-SL-C
U4
1
~
U5
1
~
U6
1
Barrel_Jack_Switch
J1
2
SW_Push_Dual
SW2, SW3
2
C_Polarized_US
C1, C2
1
3.3K
R1
4
R_US
R2, R3, R4, R5

Fan Control Board design files

The KiCad project lives in the PJalv/SDP-IoT-Device-Control repository on GitHub; these links point at the commit this page was built from.

Fan Control Board: common questions

What microcontroller does the Fan Control Board use?

The Fan Control Board is built around the ESP32S WROOM, from the ESP32 family.

How big is the Fan Control Board?

The Fan Control Board measures 120.1 × 93.2 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Fan Control Board?

16 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the Fan Control Board design files?

From the PJalv/SDP-IoT-Device-Control repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Fan Control Board design in my own project?

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

Can I test firmware for the Fan Control Board 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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