The Raspberry Pi provides a number of connections. Here is a list:
•USB 2.0 (4), or 2-USB 2.0/2-USB 3.0 Raspberry Pi 4.
•Gigabit Ethernet
•802.11ac/n wireless LAN (2.4 and 5 GHz Wi-Fi)
•Bluetooth 4.2 Bluetooth Low Energy (BLE)
•HDMI (micro HDMI for Raspberry Pi 4B) video/audio
•3.5 mm audio out
•Micro USB (USB-C for Raspberry Pi 4B) power
The RigPi Audio and RigPi Keyer have their own connections described in the following topics. The drawings below are for the original RigPi. RigPi 2 and later have a modified design to accommodate connector positions.
