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How to Build an Infrared Proximity Switch Circuit Using an Arduino

In this project, we will build an infrared proximity switch circuit using an arduino. This is a circuit in which a switch activates when the infrared sensor detects an object in its proximity. The infrared proximity switch sensor is a reflection-type photoelectric snesor which sends and receives infrared beams. Infrared proximity switches work by sending …

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How to Build a Simple Force Sensing Resistor (FSR) Circuit

In this article, we will go over how to connect a force sensing resistor, or force sensitive resistor, (FSR) to a circuit to build many different types of useful circuits with them. Force sensing resistors are variable resistors which change resistance according to the pressure or force applied to them. Under no force, the resistance …

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How to Integrate a Temperature Sensor Circuit to an LCD

In this project, we will go over how we can build a temperature sensor circuit and integrate it to an LCD so that we can get a readout of the temperature on the LCD. In previous projects with temperature sensor circuits, we built the circuit and then got a readout on the computer that we …

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How to Build a LM335 Temperature Sensor Circuit

In this project, we will demonstrate how to build temperature sensor circuit using a LM335 sensor. As a temperature sensor, the circuit will read the temperature of the surrounding environment and relay this temperature to us back in degrees Kelvin. The difference between an LM335 and LM34 and LM35 temperature sensors is the LM335 sensor …

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How to Build a TMP36 Temperature Sensor Circuit

In this project, we will demonstrate how to build temperature sensor circuit using a TMP36 sensor. As a temperature sensor, the circuit will read the temperature of the surrounding environment and relay the temperature to us back in degrees fahrenheit. The IC we will use to measure the temperature is the TMP36 IC. We will …

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How to Drive a 7 Segment LED Display with an Arduino

In this project, we will show how to drive a single 7 segment LED display with an arduino microcontroller. A 7 Segment LED Display is an electronic device housing 8 individual LEDs. Using this device, we can display all numerals and many alphabetical characters and many more types of symbols. The 7 segment LED is really a …

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How to Connect and Read a Keypad with an Arduino

n this project, we will go over how to integrate a keyboard with an arduino board so that the arduino can read the keys being pressed by a user. Keypads are used in all types of devices, including cell phones, fax machines, microwaves, ovens, door locks, etc. They’re practically everywhere. Tons of electronic devices use …

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How to Build a Motion Sensor Light Circuit with an Arduino

In this project, we will go over how to build a motion sensor light circuit with an arduino. A motion sensor light circuit is a circuit in which a light turns on when motion is detected. With a PIR motion sensor integrated with an arduino, we can detect movement and program the arduino to turn …

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How to Build a LM35 Temperature Sensor Circuit

In this project, we will demonstrate how to build temperature sensor circuit using a LM35 sensor. As a temperature sensor, the circuit will read the temperature of the surrounding environment and relay thi temperature to us back in degrees celsius. The IC we will use to measure the temperature is the LM35 IC. We will …

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