Icom Ci V Usb Interface Schematic Top !!link!! May 2026

Building your own Icom CI-V (Communications Interface 5) USB interface is a popular DIY project for amateur radio operators. It allows you to control transceivers—from older models like the IC-735 to modern rigs—via a computer using a single 3.5mm mono cable. Understanding the CI-V Bus

: Solder the USB connector to the board and connect VCC and GND to the FTDI chip. icom ci v usb interface schematic top

: Because multiple devices can be connected to a single bus, all drivers must be open-collector or open-drain. Building your own Icom CI-V (Communications Interface 5)