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Back this project: https://www.crowdsupply.com/pylo/muart
Hiya fellow engineers and makers!
Presenting μArt, an isolated USB to UART-TTL adapter that is truly versatile, safe, and dependable. You can use it almost anywhere you need to connect a UART to your computer’s USB port, regardless of voltage levels, electric potentials, and communication speed, and whether it is used for data exchange or for programming Arduinos, ESPs, or other devices. At the same time, μArt is robust and tolerates common user mistakes without being damaged or causing damage to other hardware. μArt was created so that you can finally replace your collection of UART converters with a single, high-quality tool.
OverviewIt is no secret that there are many UART adapters on the market. So, you might ask, what’s the point of creating yet another one? The unfortunate reality is that despite the general usefulness of such devices, none of them seem able to solve the associated problems in a general and reliable way. Consequently, most engineers have a collection of them lying around: some just to cover the needed voltage ranges, others to add handshake and firmware-flashing pins, maybe another one that is isolated (or a separate USB isolator, which tends to be expensive), and a few to work around quirks of the others or to function as backups.
Another problem is that most of the existing solutions have quality problems. Pins can easily float, ruining application state, the slightest mistakes will easily damage expensive connected devices, the adapters often fail and require replacement, and there are latchups, freezes, data errors - as an experienced engineer or maker, you have most likely seen at least some of these phenomena.
This is where the μArt comes in. It was made to address both problems above: covering all use cases with a single device, and offering a reliable and robust solution that you can just trust to work right. The μArt has all the pins and features to enable various applications, protections to withstand or even prevent faults, means to preserve signal integrity, and measures to improve usability.
The μArt is based on the principle that a UART adapter is your tool, and you should be able trust your tools to get the job done.
Who Needs It and Why?USB-UART converters are ubiquitous and often used through many phases of a product’s development and lifecycle. They are used during initial board bringup, for debugging and development, for flashing firmware, for exchanging operational data, for controlling peripherals, as service ports in the field, or as diagnostic interfaces during analysis. If you work or hack in the electronics engineering, computer engineering, or embedded systems fields, it is safe to say that a UART adapter is one of your basic tools.
The μArt addresses typical problems of UART boards that plague both new and experienced engineers. Industry professionals will value being able to depend on the μArt and being able to focus on their wor
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