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a capacitive load)
Similar to other MQ series gas sensor
Connect the load across Common and NC terminal if you want to disconnect the load when relay is operated or across Common and NO terminal if you want to connect the load when relay is operated
Make sure ground terminals of both Input and Output supplies are the same
LM3914 Dot/Matrix Display Driver IC - DIP-18 Package [C] Stepper Motors a capacitive load)The LM3914 is a display driver IC, it can control upto 10 LEDs so commonly used with 5x5 Dot Matrix displays or the 10 segment LED bar displays. It controls a BAR or DOT LED display by turning on and off depending on voltage levels and provides a linear analog display. These ICs can be cascaded to control upto 100 LEDs. The device does not require any programming or microcontroller and also eliminates the use of external resistors and other components
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