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LPS331AP Pressure/Altitude Module Features This small board has an LPS331AP pressure sensor or barometer. The communication protocol of this module is I2C and SPI. In addition to measuring pressure and altitude, this module can also measure temperature. LPS331AP Sensor Pinout This sensor has 9 pins. 4 pin are more useful:+5V: Module power supply – 5 VGND: GroundSLC: I2C ClockSDA: I2C dataYou can see pinout of this module in the image below. ...

Grove Touch Sensor Features This sensor uses TTP223-B IC. When your finger approaches this sensor, the capacitance of the metal surface will change. So you don’t need to touch sensor completely. Besides, you can put this sensor under a non-metallic surface and touch it. This sensor is waterproof, and it has a variety of applications.  Note There are two red and black wire that have been connected to this sensor. If you want to increase the fingerprint sensitivity, you can remove the black w...

SW-520D Tilt Sensor Module Featurs A SW-520D Tilt Sensor is an electronic device that detects the orientation of an object and gives its output High or Low accordingly. Basically, it has a metallic ball inside it which moves and makes the circuit. The sensor's sensitivity is at 10 degrees tilt. This module has two output pins for each path. When tilt angle is more than 10 degree, the output is low. Note The output is on trigger mode. You can download the datasheet of this module ...

SW-520D Vibration Tilt Sensor Features The SW-520 sensor consists of two metal balls which switches as a trigger. When the switch is positioned horizontally, and when the sensor angle is less than 10°, the circuit is open (off state) and more than 10°, it is closed (on stated). But when the switch is positioned vertically, the circuit is open when the sensor angle is less than 45°, and close when the angle is more than 45°. To see exactly how this sensor works, read the datasheet. The SW-520D sensor is ...

74HC4051 8-Channel Analog Multiplexer Features The 74HC4051 8-Channel analog multiplexer module can be used when there are many analog inputs in a circuit. In this case, one of these inputs needs to be selected and processed each time. This multiplexer can be used to select from 8 analog inputs. There are three S0-2 pins, which by giving appropriate values, one of the analog inputs is set as the output on the Z pin. 74HC4051 8-Channel Multiplexer Pinout This module ...

If you're looking to interface the CD74HC4067 16-Channel Multiplexer with Arduino, you've come to the right place. In this guide, we'll walk you through the features of the CD74HC4067 module, provide a pinout diagram, and explain the steps to connect it to an Arduino. By following this guide, you'll be able to effectively use the CD74HC4067 multiplexer in your analog input projects. CD74HC4067 16-Channel Multiplexer Features The CD74HC4067 16-Channel analog-digital multiplexer module can be used when there ...

LM393 Voltage Comparator Module Features The LM393 amplifier module can be used to compare an input voltage with a predetermined voltage level. The LM393 IC contains 2 op-amps that are completely independent. In LM393 comparator module, only one of the op-amps is used and the other is not connected. The module compares input voltage with the desired voltage level, and produces a digital output. The voltage level can be any value between the module positive and negative supply voltages. This voltage lev...

SR04 Ultrasonic Sensor Features The SRF04 ultrasonic distance sensor can be used to measure distance with high accuracy. The basic working principle of this sensor is that it produces a high-level signal and sends it to the obstacle. Then the receiver detects the returned wave. The time between the transmission and reception of the signal allows us to calculate the distance to an object. Note When the Trig pin is set High, the sensor generates and sends ultrasonic sound. At that moment the Ech...

Overview Have you ever wanted to use 2 sensors with the same I2C address at the same time, not knowing what to do? Faced some serious challenges in doing that? In a lot of projects, we have used different modules and sensors that support I2C communication protocol. Sometimes, we have interfaced some I2C modules with a microcontroller in our projects. If they all have different I2C addresses, we could easily interface them, facing no serious trouble. But, if 2 or more of the modules had the same I2C address...

Introduction Are you looking to revolutionize your voltage monitoring capabilities? Discover how to interface a Voltage Measurement Module with Arduino, allowing you to accurately measure DC voltages up to 25V. Imagine having the power to monitor and control voltage levels with precision, unlocking endless possibilities for your projects. In this article, we will provide you with a comprehensive guide that covers everything you need to know about interfacing a Voltage Measurement Module with Arduin...