Hello friends, I hope you all are doing great. Today, I am going to share the Raspberry Pi 400 Library for Proteus . The Raspberry Pi 400 is a whole computer inside a keyboard: a Raspberry Pi 4 at 1.8 GHz with 4 GB of RAM, Gigabit Ethernet , Wi-Fi, two micro-HDMI outputs and the usual 40-pin GPIO header at the back. With this library the keyboard runs your Python program against the circuit in Proteus 8.5, on our virtual network. Updates Raspberry Pi 400 Library for Proteus Latest version: V1.0 (October 2026, this tutorial) Other Raspberry Pi boards: Pico · Pico W · Pico 2 W · Pi Model B · Pi 1 B+ · Pi 2 Model B · Pi 3 Model B · Pi 3 Model B+ · Pi 3 Model A+ · Pi 4 Model B · Pi 5 · Pi Zero W · Pi Zero 2 W · Pi 2 · Pi 3 · Pi 4 · Zero W Gas and fire sensors: Gas MQ-2 · MQ-3 / MQ-7 / MQ-135 · ...