The original intention of making this USB to TTL serial port module was that the cheap serial port modules bought online did not have sending and receiving indicator lights and were inconvenient to use, so I designed one myself. The cost of making and welding the boards yourself is controlled within ten yuan. The components are all commonly used models, and ams1117 chose the small package. When welding, you can choose your favorite color for the receiving and sending indicator lights, so that it is clear at a glance whether there is data passing through.
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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.
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