1. Select the **WRITE** button to write the OS to the SD card. If you are using macOS, you will be asked to enter your password as the underlying tool that writes disk images needs privileged access.
1. Select the **WRITE** button to write the OS to the SD card. If you are using macOS, you will be asked to enter your password as the underlying tool that writes disk images needs privileged access.
The OS will be written to the SD card, and once complete the card will be ejected by the OS, and you will be notified. Remove the SD card from your computer, insert it into the Pi and power up the Pi.
The OS will be written to the SD card, and once complete the card will be ejected by the OS, and you will be notified. Remove the SD card from your computer, insert it into the Pi, power up the Pi and wait for about 2 mins for it to properly boot.
@ -27,8 +27,8 @@ Sensors are hardware devices that sense the physical world - that is they measur
Some common sensors include:
Some common sensors include:
* Temperature sensors - these sense the air temperature or the temperature of what they are immersed in. For hobbyists and developer, these are often combined with air pressure and humidity in a single sensor.
* Temperature sensors - these sense the air temperature or the temperature of what they are immersed in. For hobbyists and developers, these are often combined with air pressure and humidity in a single sensor.
* Buttons - they sense when they have been pressed.
* Buttons - these sense when they have been pressed.
* Light sensors - these detect light levels and can be for specific colors, UV light, IR light, or general visible light.
* Light sensors - these detect light levels and can be for specific colors, UV light, IR light, or general visible light.
* Cameras - these sense a visual representation of the world by taking a photograph or streaming video.
* Cameras - these sense a visual representation of the world by taking a photograph or streaming video.
* Accelerometers - these sense movement in multiple directions.
* Accelerometers - these sense movement in multiple directions.