4x PWM Computer Fan Controller, Temperature and Humidity via ESP32-S2 Wifi
CLEARANCE
The initial Revision 2.0 have a slight bug, where USR1 button is not functional. $5 off for Rev 2.0 boards. Other funcionality not affected.
What is it?
This board is an ESP32-S2-based Wifi…
The initial Revision 2.0 have a slight bug, where USR1 button is not functional. $5 off for Rev 2.0 boards. Other funcionality not affected.
What is it?
This board is an ESP32-S2-based Wifi Fancontroller.
It allows you to control up to 4 independant PWM Fans and read temperature & humdity at the installed location. E.g. you can use a standard 12V 120mm Noctua PC fan as an exhaust for a PC inside a cupboard.
UPGRADE: Rev2.0 with ESP32-S2, programmable via USB.
Specs
12V DC Barrel Input (5.5x2.1mm)
4x PWM Fan Output
Integrated HDC1080 Temperature & Humidity Sensor
I2C Expansion Port
3 User Buttons
Why did you make it?
I'm using it in my network racks for ventilation. Put 2x 120mm PWM fans on top for exhaust, add a internal fan for circulation and you're good to go.
Software Stack
This PCB comes pre-flashed with an ESPHome Factory Image or can be reflashed via a USB.
WARNING: Currently, ESPHome Web Flasher or other web flashers do not work well with ESP32-S2. Please use Adafruit ESPTool or python esptool to flash the board. Command example: python -m esptool --chip esp32s2 --port COM6 write_flash 0x0 wifi-fancontroller-s2.factory.bin
Find the sources for ESPHome here: https://github.com/zeroflow/esphome-fancontroller
Printed Case
By default, the case is printed in silver PLA with black lettering. For custom combinations, please contact me for available options.
If you want mounting holes or other changes to the base of the case, please feel free to contact me.
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