I2c tools for mac6/9/2023 So, let’s see how works this USB Serial Star, a 4 in 1 USB to Serial and I2C Converter. With some addons, you can select power supply value (5V, 3V3), serial levels (TTL, RS232) and GPIO functions in an independent way for each converter. Because I choose a 4-port USB hub, I use also 4 USB serial converters. For this two reasons, I decide to upgrade the board, add the micro – USB connector and put a USB hub inside it. Of course today you can still find it, but aren’t as common as the micro-USB wires. And the other problem is that this board uses mini-USB connectors. Is a minor problem today with USB hubs, but you need the hub and also two USB wires. First one, is that to use the both converters, you need two free USB ports. ![]() Although this board works fine, it has a couple of lacks. On 2016, I develop the Dual USB Serial and I2C Converter board. Hi all! Here’s one of the last board I design the last year.
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