If your introduction to digital electronics came more years ago than you’d care to mention, the chances are you did so with 5V TTL logic. Above 2V but usually pretty close to 5V is a logic 1, below ...
Many low-voltage RS-485 bus node designs utilizing 3V microcontroller units (MCU) favor 5V over 3V transceivers (XCVR) due to higher drive capability, which ensures higher noise immunity and allows ...
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