![Raspberry Pi 3b/4b Fan Hat Pwm Temperature Control Speed Regulation Heatsink Mute 4010mm Large Air Volume - Demo Board - AliExpress Raspberry Pi 3b/4b Fan Hat Pwm Temperature Control Speed Regulation Heatsink Mute 4010mm Large Air Volume - Demo Board - AliExpress](https://ae01.alicdn.com/kf/S9b881bc087a04e1dab6a1a475895aeccY/Raspberry-Pi-3B-4B-fan-hat-PWM-temperature-control-speed-regulation-heatsink-mute-4010MM-large-air.jpg_Q90.jpg_.webp)
Raspberry Pi 3b/4b Fan Hat Pwm Temperature Control Speed Regulation Heatsink Mute 4010mm Large Air Volume - Demo Board - AliExpress
![raspberry pi based head unit running crankshaft for Android auto I made. still got a few things to work out mainly on the volume control but other than that it works perfect : raspberry pi based head unit running crankshaft for Android auto I made. still got a few things to work out mainly on the volume control but other than that it works perfect :](https://preview.redd.it/7y6iryppt3b61.jpg?width=640&crop=smart&auto=webp&s=2a7f2579971a185602a27e1de937ff26af0d331d)
raspberry pi based head unit running crankshaft for Android auto I made. still got a few things to work out mainly on the volume control but other than that it works perfect :
Building a wireless remote volume control with a rotary knob for Raspberry pi - help needed with Python | Audio Science Review (ASR) Forum
![Everything about the Raspberry Pi Pico — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis! Everything about the Raspberry Pi Pico — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis!](https://picockpit.com/raspberry-pi/wp-content/uploads/2022/02/image-7-1024x612.png)