Developers, hobbyists and electronic enthusiasts searching for a optically isolated USB to Serial adapter may be interested in a new piece of open source hardware called the ZeptoBit Isolated USB-UART Adapter created by Emil Johnsen based in Brandasund, Norway. Features of the ZeptoBit Isolated USB-UART adapter include:
– Supports all common baud rates from 300 baud to 2 Mbaud.
– Works with IO levels from 1.8V to 5V.
– No driver installation required on Windows 10 or on recent Linux versions.
– Avoids ground loops.
– Circuits ground and computer ground does not need to be at the same potential.
– Maintains isolation from mains supply.
– Protects the computers USB port from damage.
– Separates sensitive analog circuits from potentially noisy computer ground.
– Works with devices which can not drive an opto isolator directly.
– Open source hardware: All the documentation needed to repair or modify the adapter is provided including schematic, BOM and design notes. 3D models of the device and 3D printable enclosures are also available.
The ZeptoBit Isolated USB-UART Adapter allows communications between a device using logic level (1.8V to 5V) serial communication and a computer with a USB port. The adapter is optically isolated, there is no electrical connection between the connected device and the USB port. Supports baud rates from 300 baud to 2 Mbaud. Available with Micro USB connector or “full size“ USB B connector.
The ZeptoBit Isolated USB-UART adapter is now available to back via Kickstarter with shipping expected to take place during January 2018, jump over to the official Kickstarter campaign page for a full list of all available pledges and specifications.
Source: Kickstarter
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