To ensure that the head unit buttons still work in conjunction with the steering wheel buttons, the Arduino would have to keep the pins as inputs until a steering wheel button was pushed, the pin ...

Smoke machine:** - Vape - Air pump - Plastic/silicone tube - Liquid container - T/L connectors (for the tubes) **Other ...

The larger-than-life Arduino GRANDE development board has been created using 3D modelling software laser cut acrylic together with a few other components such as buttons and LEDs.