1/2/2024 0 Comments Coolterm macos serial settings![]() ![]() The table below summarizes the GPIO and Analog to Digital Converter input positions on the screw terminals. The internal Analog to Digital converter supports 10 bits resolution which is adequate for most applications. It is recommended to use a series resistor to protect the input from stray voltages and spikes. In contrast to GPIOs, Analog inputs can read voltages at any level between 0 to 5V. A 470 Ohms series resistor is recommended for current limiting when connecting LED to a GPIO. So no additional circuitry is needed to drive regular LEDs. In output mode, GPIOs can source up to 25mA. It is recommended to use a series resistor with the GPIO/ADC pins when interfacing with other circuits. The ADC can acquire analog signals at the resolution of 10 bits per sample. All IO pins support 5V TTL signals and the ADC input range is 0 to +5V. These pins can be used as Analog to Digital Converter inputs as well. In addition to the onboard relay, this module has 4 General Purpose IO pins that can be used for various custom applications. Also we have a large set of sample code to help you with)Īll aspects of the above steps are covered in the following sections including step by step demonstration.
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