![Appendix B. Raspberry Pi ports and legacy boards - Hello Raspberry Pi!: Python programming for kids and other beginners Appendix B. Raspberry Pi ports and legacy boards - Hello Raspberry Pi!: Python programming for kids and other beginners](https://drek4537l1klr.cloudfront.net/heitz/Figures/b0fig01_alt.jpg)
Appendix B. Raspberry Pi ports and legacy boards - Hello Raspberry Pi!: Python programming for kids and other beginners
![Amazon.com: Yahboom 4 Port USB 3.0 Hub for Raspberry Pi Jetson Nano ROS Robot, Compatible with USB 3.0/2.0/1.1 Driver-Free Plug&Play, Onboard External USB-A,5V (Micro-USB),9~24V Power Port, for High-Power Device : Electronics Amazon.com: Yahboom 4 Port USB 3.0 Hub for Raspberry Pi Jetson Nano ROS Robot, Compatible with USB 3.0/2.0/1.1 Driver-Free Plug&Play, Onboard External USB-A,5V (Micro-USB),9~24V Power Port, for High-Power Device : Electronics](https://m.media-amazon.com/images/I/71Joh9DwHwL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Yahboom 4 Port USB 3.0 Hub for Raspberry Pi Jetson Nano ROS Robot, Compatible with USB 3.0/2.0/1.1 Driver-Free Plug&Play, Onboard External USB-A,5V (Micro-USB),9~24V Power Port, for High-Power Device : Electronics
![Activate the TTL serial port of the Raspberry Pi and verify that it is working. – Howto Raspberry Pi Activate the TTL serial port of the Raspberry Pi and verify that it is working. – Howto Raspberry Pi](https://raspberry-pi.fr/wp-content/uploads/2020/07/gpios-diagram-939x528.png)
Activate the TTL serial port of the Raspberry Pi and verify that it is working. – Howto Raspberry Pi
![Amazon.com: Board for Raspberry Pi 3 Model B,for Raspberry Pi 3 Model B Board 1.2GHz 64bit Quad Core CPU WiFi Bluetooth 4.1,Ethernet Port,HDMI/RCA Connector,USB 2.0 Port : Electronics Amazon.com: Board for Raspberry Pi 3 Model B,for Raspberry Pi 3 Model B Board 1.2GHz 64bit Quad Core CPU WiFi Bluetooth 4.1,Ethernet Port,HDMI/RCA Connector,USB 2.0 Port : Electronics](https://m.media-amazon.com/images/I/71E8AehZSfS._AC_UF894,1000_QL80_.jpg)