![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
![I2C Shield for Raspberry Pi 4, Pi 3, & Pi 2 with Outward Facing I2C Port Terminates over HDMI Port - IoT Devices & Sensors | Relay Controllers, Current Monitoring & Vibration Sensors I2C Shield for Raspberry Pi 4, Pi 3, & Pi 2 with Outward Facing I2C Port Terminates over HDMI Port - IoT Devices & Sensors | Relay Controllers, Current Monitoring & Vibration Sensors](https://media.ncd.io/sites/2/20170721151532/TOUTPI2_C_2.png)
I2C Shield for Raspberry Pi 4, Pi 3, & Pi 2 with Outward Facing I2C Port Terminates over HDMI Port - IoT Devices & Sensors | Relay Controllers, Current Monitoring & Vibration Sensors
![Amazon.com: Mini Dual Gigabit Ethernet Base Board for Raspberry Pi Compute Module 4 Lite/eMMC Series,Onboard Dual Gigabit Ethernet RJ45,USB 2.0 Port Connector,40PIN GPIO Header : Electronics Amazon.com: Mini Dual Gigabit Ethernet Base Board for Raspberry Pi Compute Module 4 Lite/eMMC Series,Onboard Dual Gigabit Ethernet RJ45,USB 2.0 Port Connector,40PIN GPIO Header : Electronics](https://m.media-amazon.com/images/I/71SiMBTCxIL.jpg)
Amazon.com: Mini Dual Gigabit Ethernet Base Board for Raspberry Pi Compute Module 4 Lite/eMMC Series,Onboard Dual Gigabit Ethernet RJ45,USB 2.0 Port Connector,40PIN GPIO Header : Electronics
![Configuring The GPIO Serial Port On Raspbian Jessie and Stretch Including Pi 3 and 4 - Spell Foundry Configuring The GPIO Serial Port On Raspbian Jessie and Stretch Including Pi 3 and 4 - Spell Foundry](https://spellfoundry.com/wp/wp-content/uploads/2014/03/Sleepy-Pi-2-with-programming-cable.jpg)