Appendix
Hardware and Reference
GPIO pinouts and interfaces by board, how to reach the controller, what to prepare on external services, and the electronics basics wiring depends on.
In this chapter
- Hardware Pinouts and InterfacesCaution Every pin number entered in Grablo is a GPIO number . It differs from the physical pin number printed on the con…
- Preparing the Jetson Nano Operating SystemThe Jetson Nano uses the official SD card image published by NVIDIA (Jetson Nano Developer Kit SD Card Image). Download …
- Reaching the Controller and Transferring FilesThese are the ways to run commands on the controller directly, or to place files such as soundfonts and AI models on it.…
- Linux Directory StructureThe Linux directory layout is useful to know when working with the controller's files over SSH or SFTP. Linux differs fr…
- Remote Desktop (VNC)To see and operate the desktop of a Raspberry Pi without a monitor from a PC, use VNC. Current Raspberry Pi OS includes …
- Connecting a Bluetooth SpeakerTo play the Raspberry Pi's sound through a Bluetooth speaker, pair the speaker and set it as the default output device. …
- Preparing External ServicesSome settings need a key or value issued by an external service. Here is how to obtain each of them. Service Values to e…
- Electronics BasicsWhat to know before wiring a device. Digital Input and Output In a digital circuit, current flows when the switch closes…
- Bits and BytesBackground for working with binary data, such as byte arrays, the bit/byte blocks, and User Defined Communication ( Part…
- Raspberry Pi and ArduinoBoth boards are widely used to control sensors and motors, but they are built differently. Grablo IoT Core is a program …