6/19/2023 0 Comments Brew install socat![]() But I wanted to make sure that the chip was actually setup for 3.3v and so I found the datasheet for the PL-2303HX Make sure to get the correct datasheet for the chip you have – some of the chips are slightly different, like the HXD version. When I sent data to the device the voltages went intermittently to around 3.3 volts or maybe 3.4 volts. The unit I was working with several pins labeled: I measured voltage between the GND pin and the TX pin which gave around 1.8 – 2.5V without any data being transmitted. You can measure some of the pins to make your own determination. Purchasing these on eBay can be cheaper than buying from someplace like Adafruit but the listings often have no documentation on if the chip can be used with 3.3v devices. ![]() If you have a USB adapter and would like to use it when working with Arduino or Raspberry Pi you may wonder if it is safe to use with a 3v3 system.
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