Waveshare 17951 Fan HAT
Description
Fan HAT for Raspberry Pi
PWM controlled fan speed via I2C bus, real time temperature monitor
Comes with manual and examples in C / Python![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/Fan-HAT/Fan-HAT-1_960.jpg)
Designed for Raspberry Pi series
Standard Raspberry Pi 40PIN GPIO header, customized for Raspberry Pi series boards
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/Fan-HAT/Fan-HAT-3_960.jpg)
Features at a glance
- PCA9685 PWM driver as the fan controller, powerful driving capability, auto PWM adjustment
- 0.91" OLED, 128x32 pixels, displays board temperature or other user-defined content in real time
- Adopts 3007 size PWM controlled fan, up to 8000rpm speed, brings strong airflow
- Supports retrieving temperature data in real time, and then adjusting the speed automatically, programmable configuration
- I2C pins, for connecting other host control boards
- 16-ch PWM outputs, for driving other external PWM devices
- Comes with heat sinks, better cooling effect
PCA9685 Fan Controller
up to 16-ch PWM outputs, powerful driving capability, auto PWM adjustmentcombined with the included heat sinks, achieving better cooling effect
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/Fan-HAT/Fan-HAT-5_960.jpg)
0.91" OLED mini display
128×32 pixels, I2C controlleddisplays board temperature or other user-defined content in real time
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/Fan-HAT/Fan-HAT-7_960.jpg)
What's On Board
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/Fan-HAT/Fan-HAT-9_960.jpg)
- Standard Raspberry Pi 40PIN GPIO header
- PCA9685 PWM driver
- 3007 size PWM controlled adjustable fan
- PCA9685 I2C address configuration
- Reserved I2C control pins
- Reserved PCA9685 output channels
- 0.91" OLED display
Pinout definition
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/Fan-HAT/Fan-HAT-11_960.jpg)
Specifications
Power supply voltage | 5V | Logic level voltage | 3.3V |
---|---|---|---|
Fan Driver | PCA9685 | OLED driver | SSD1306 |
Control bus | I2C | OLED resolution | 128×32 |
Fan PWM driver duty cycle | =25% | OLED display color | White |
Fan speed (Max) | 8000rpm | OLED viewing angle | >160° |
Outline dimensions
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/Fan-HAT/Fan-HAT-13_960.jpg)
Resources & Services
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/common/res_banner.png)
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Package Contents
- Fan HAT x1
- PI4-HEATSINK-SET x1
- Male header x1
- Standoffs pack (2pcs) x1
1
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/Fan-HAT/Fan-HAT-3_220.jpg)
2
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accessories/PI4-HEATSINK-SET/PI4-HEATSINK-SET-1_220.jpg)
3
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accessories/1x40-2.54-male-header-black_220.jpg)
4
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accessories/offwhite-nylon-standoff-M2.5x15_220.jpg)
Shipping weight: | 0.04 Kg |