In case the resistor is used as a pull-up, then logic HIGH is detected with a button is not pressed and logic LOW is detected when button is pressed. The Push Button Module consists of a momentary tactile push button and a pull-up (or pull-down) resistor along with the connectors. Push Button ModuleĪ momentary push button is one of the simplest input devices for Arduino. Make sure to purchase an RGB Module with current limiting resistors. RGB LED Moduleīy connecting the Red, Green and Blue LED Pins to PWM pins of Arduino, you can generate several colours. An RGB LED Module consists of a 4-pin RGB LED, three current limiting resistors and connectors. The next logical step after using a Two-Colour LED is to use an RGB LED. I feel like they should have included the current limiting resistors on the module itself. You have to connect current limiting resistors. Connect them to PWM pins of Arduino to control the brightness. Red and Green is a popular two-colour LED. This is a two-colour LED Module, which, as the name suggests, consists of a 3-pin two colour LED. Two Colour LED ModuleĪs the first Arduino program you will write is Blinking an LED, let us start with an LED Module. The module takes care of the “Sensor” side of the circuit like current limiting resistors, decoupling capacitors, connections, connectors etc., and all you have to do is make the connections to an Arduino board and make an Obstacle Avoidance Robot. It consists of an Infrared Light Source (an IR LED), an Infrared Receiver (a Photo Diode), an Op-Amp, a Potentiometer, couple of passive components and a connector. What an Arduino Module does is it integrates all the necessary components and connections that are required for a sensor (or a device) to work and presents you with a ready-to-use product.įor example, consider a very simple yet very useful module: The Infrared Obstacle Avoidance Sensor Module. To use a sensor or a device (like an LCD), you need few additional components. In simple words, a “Module” in the Arduino environment is a ready to use board with a Sensor or an IO device on it. MPU6050 Accelerometer / Gyroscope Module.BMP180 Barometric Pressure Sensor Module.DHT11 / DHT22 Humidity and Temperature Sensor Modules.NTC Thermistor Temperature Sensor Module.Infrared Obstacle Avoidance Sensor Module.
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