My PIC Journey - PIC10F220 ADC - Reading Analog Signals with an MQ-2 Gas Sensor using a PIC10F220

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This application displays three possible situations to represent the gas level: a lit red LED means danger, a blinking green and red LED at the same time means caution or alert, and a lit green LED means safe.

ATTENTION: This experiment is solely intended to demonstrate the interfacing of an MQ series gas sensor with PIC microcontrollers. The gas concentration values and thresholds used in the example programs have been arbitrarily set to illustrate high, medium, or low gas concentration levels. However, it is crucial to emphasize that these values may not accurately reflect the real concentrations that pose a health risk. Therefore, if you plan to use the examples provided, it is strongly recommended to consult the gas sensor's Datasheet. This is essential to ascertain the exact values that define dangerous, tolerable, or low gas concentrations.

Here, the PIC10F220 emerges as a superior alternative to the PIC10F200. While inheriting the core features of the PIC10F200, the PIC10F220 distinguishes itself with the inclusion of an Analog-to-Digital Converter (ADC) interface. This addition significantly enhances the PIC10F220's functionality, enabling it to directly read analog signals. Such a capability is crucial for applications where monitoring or measuring analog parameters is essential.


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#pic10F220 #microchip #ADC #pic10F200