20A ACS712 Current Sensor The 20A ACS712 Range Current Sensor Module ACS712 consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which the Hall IC converts into a proportional voltage. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. Connection Diagram of Arduino Uno with Current Sensor : Fig: Connection of ACS712 Current Sensor with Arduino UNO Curve of relation between the DC input voltage and measuring current: Fig: Output Voltage vs. Sensed Voltage

20Kg Load Cell This straight bar load cell (sometimes called a strain gauge) can translate up to 20 kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to the bar. With this gauge, you will be able to tell just how heavy an object is, if an object’s weight changes over time, or if you simply need to sense the presence of an object by measuring strain or load applied to a surface. This straight bar load cell is made from an aluminum alloy and is capable of reading a capacity of 1KG of weight It has Four lead wires which can be connected to  HX711 A/D Pressure Sensor.  It is easy to use with driving voltage 5-10V and produce the output voltage as per the force changes over it. Installation of the Sensor is also the simple task, it needs to fix one end through the screw hole and the other end left floating state, according to the label indicates the direction of the gravitational force exerted particular attention must not directly push the white plastic cover part of the sensor in order to avoid damage. An electronic weighing machine uses a load cell to measure the load or pressure produced by the load, here most load cells follow the method of the strain gauge, Which converts the pressure (force) into an electrical signal, these load cells have four strain gauges that are hooked up in a Wheatstone bridge formation. When we apply to load the strain gauge resistance will change and hence the output voltage from the load cell get changes by the way we can measure the load value. read more : Load cell : The Ultimate Guide Package Includes: 1 x 20Kg Load Cell Specifications Sensor Type  Load Cell Mounting hole diameter (mm) 2 holes – M3.3 x 13(depth) Mounting hole diameter (mm) 2 holes – M4 x  13mm(depth). Weight  32 grams

24-in-1 Sensors DIY Learning Kit The DIY sensors learning kit is an amazing way to learn about embedded systems and electronics engineering. This sensors kit contains 24 components that are compatible with Arduino. These sensors are easy to use and understand and therefore do not require any coding or programming skills. This sensor kit consists of; distance sensors, light sensors, temperature sensors, and much more helping you get started with a variety of projects The sensors learning kit is similar to a stem education kit since it is based on the idea of educating students in 4 different fields of science, technology, engineering, and mathematics in an applied method. All sensors & modules included in our kit are compatible with different micro-controllers like Raspberry Pi, Arduino, ESP, Micro:bit, Witty Fox, and many more. PIR Sensor: The PIR Motion Sensor Module allows you to sense motion. It is almost always used to detect the motion of a human body within the sensor’s range. It is often referred to as using “PIR”, “Pyroelectric”, “Passive Infrared” and “IR Motion Sensor” sensors.  IR Sensor: The IR Proximity Sensor module has great adaptive capability of the ambient light, having a pair of an infrared transmitter and a receiver tube, the infrared emitting tube emits a certain frequency, and encounters an obstacle detection direction (reflecting surface), infrared reflected back to the receiver tube receiving, after a comparator circuit processing, the green LED lights up, while the signal output will output digital signal. DHT11 Temperature Sensor: The module can detect the surrounding environment of the humidity and temperature and gives the output from the digital output. HCSR04 Ultrasonic Sensor:  This HC-SR04 Ultrasonic Range Finder is a very popular sensor that is found in many applications where it requires measuring distance and detecting objects. MQ2 Gas Sensor: The MQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module is useful for gas leakage detection (home and industry). It is suitable for detecting H2, LPG, CH4, CO, Alcohol, Smoke, or Propane. Due to its high sensitivity and fast response time, measurements can be taken as soon as possible. The sensitivity of the sensor can be adjusted by the potentiometer LDR sensor module: The LDR sensor Module is used to detect the presence of light and measure the intensity of light. The output of the module goes high in the presence of light and it becomes low in the absence of light. The sensitivity of signal detection can be adjusted using the potentiometer.  Joystick Module: This is a dual-axis high-quality JoyStick Module. It can be used to sense movements in 2 directions(axes). It also has an inbuilt switch which can be activated by pressing the stick. Directional movements are simply two potentiometers - one for each axis.  Sound Sensor Module - This Sound Detection Sensor Module consists of a Microphone, resistors, capacitor, potentiometer, comparator LM393 IC, Power, and status LED in an integrated circuit. Sound Detection Module Sensor for Intelligent Vehicle Compatible With Arduino is a Single channel signal output Sensor. The output is effective to the low-level sound signal with good fidelity, When there is sound, outputs low level and signal light. Projects and tutorials for the Sensors Learning kit: This sensors learning kit is designed and curated to create and build various innovative projects. These projects are helpful and act as a learning element for the students. Some of the DIY projects along with the tutorial blog and video are mentioned below: DIY Automatic Sanitizer Dispenser DIY Obstacle Avoider Robot car   DIY Line Follower Robot Package Includes: 1 x Ultrasonic sensor 1 x PIR sensor 1 x IR sensor 1 x LDR sensor module 1 x Sound sensor 1 x DHT 11 temperature sensor 1x Raindrop  1 x Soil and Moisture 1 x MQ2 gas sensor 1 x Vibration sensor 1 x DS3231 1 x Flame Sensor 1 x Tilt Sensor 1 x Laser sensor 1 x Buzzer Module 1 x RF Module 1 x M2M jumper wire 1 x M2F Jumper wire 1 x F2F jumper wire 1 x Joystick Module 1 x TTP Touch Sensor 1 x Toy Motor 1 x fan 1 x 3.3V Pump Specifications: Dimensions  22 x 15 x 5cms Weight 100g

3 Channel IR Infrared CTRT5000 Line Detection Module The 3 Channel IR Infrared CTRT5000 Line Detection Module uses Infrared to detect the line so it has anti-interference ability, visible light will not interfere with its operation. The TCRT5000 is a reflective sensor that includes an infrared emitter and phototransistor in a leaded package that blocks visible light. It has indicator LEDs on it, when tracing sensor senses a key signal, LED lights, otherwise off. 3 channel line-following sensor modules are necessary parts for making a robot. Adopt Infrared detection, high ability of anti-interference. Using the CTRT5000 sensor, high sensitivity, and stability. Fine workmanship, with indicator light. Come with bolt holes for easy installation. It has 3 TCRT5000 Infrared Line Tracking sensors with an onboard comparator, LED indicators, and other signal conditioning components, and yes it is Arduino-compatible! Application: Line follower robot Obstacle detector robot Grid navigating robots Maze Solving Robot Home automation Smart parking system Package Includes: 1 x 3 Channel IR Infrared CTRT5000 Line Detection Module Specifications: Power supply 5V DC Number of channels 3 Dimensions(LxWxH) 3x2x1cm Weight 5gm

3/4 INCH BRASS WATER FLOW SENSOR SEN-HZ43WB The SEN-HZ43WB water flow sensor is a device that is used to measure the flow rate of water. It consists of a turbine-type rotor that is placed in the water stream, and as the water flows past the rotor, it causes the rotor to spin. The sensor measures the speed of the rotor and converts it to a flow rate. The sensor has a digital output, which means that it provides a digital signal that can be read by a microcontroller or other host device. Now easily measure water (liquid) flow in your application using this 3/4" Brass water flow sensor. This is a good-quality flow sensor with a brass body and can be used for industrial and commercial applications. These three forth inch water flow sensor is used extensively in various types of vending machines. This water flow sensor is connected in line with the liquid whose flow rate has to be measured. There is a simple rotating wheel with a magnet and when the liquid flows the wheel is rotated and a hall effect sensor measures how many times the wheel is rotated and accordingly gives pulses. By counting the number of pulses you can easily calculate the flow rate as well as the amount of liquid dispensed. Note: When magnetic material is close to the sensor, its characteristics may vary. In order to avoid particle debris, the sensor must be installed after a filter. The flow sensor installation has to avoid strong vibration and shaking of the environment, so as not to affect the sensor's measurement accuracy. APPLICATIONS: Thermostatic water heater Water purifier Water dispenser Smart card equipment Coffee machine PACKAGE INCLUDES: 1 x SEN-HZ43WB Water Flow Sensor  SPECIFICATIONS: Water quality requirement Drinking water health standards, 0~80℃ Voltage/electric current DC 4.5 ～ 18 Volt, ≤15mA Output level Rated voltage DC 5 Volt, high level ≥4.5 Volt, low level ≤0.5 Volt Cumulative flow conversion 1 Liter water=477 pulse, accuracy: 10%

3/4 Inch Water Flow Sensor SEN-HZ43WA The SEN-HZ43WA water flow sensor is a device that is used to measure the flow rate of water. It consists of a turbine-type rotor that is placed in the water stream, and as the water flows past the rotor, it causes the rotor to spin. The flow sensor measures the speed of the rotor and converts it to a flow rate. The sensor has a digital output, which means that it provides a digital signal that can be read by a microcontroller or other host device. The sensor is commonly used in applications such as irrigation systems, water treatment plants, and industrial process control. It is often preferred over other types of flow sensors because it is easy to install and has a low cost. Package Includes: 1 x Water Flow Sensor SEN-HZ43WA Water Flow Sensor Specifications Model  SEN-HZ43WA Current  15mA @ 5V Flow Rate 2-45L/ min Humidity Range 35%-80% RH Operating Voltage 3V ~ 12V Temperature Range -25 to 80°C Water Pressure 1.75Mpa Dimensions  60mm x 37mm x 37mm Weight  43 grams

30A ACS712 Current Sensor The 30A ACS712 Current Sensor consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which the Hall IC converts into a proportional voltage. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. Connection Diagram of Arduino Uno with Current Sensor : Fig: Connection of ACS712 Current Sensor with Arduino UNO Curve of relation between the DC input voltage and measuring current: Fig: Output Voltage vs. Sensed Voltage Package Includes: 1 x 30A ACS712 Current Sensor Specifications Sensitivity 66mV/A Measure Current Range 30A Supply Voltage 4.5V~5.5V DC Dimensions  3 x 2 x 1cms  Weight  5 grams

37 in 1 Sensors Kit Compatible With Arduino This 37 in 1 sensors kit is supplied with a variety of sensors that are compatible with Arduino Boards. This is the most complete performance starter Arduino sensor kit with all the essential Arduino sensors. This 37 in 1 Arduino Sensor Kit Includes a variety of sensors such as a Joystick, Relay, Sound Sensors (big and small), Tracking Sensor, Flame Sensor, RGB LED Module, Linear Hall Sensor, Touch Sensor, Digital Temperature Sensor, Buzzer Module, and many more. If you want to learn about microcontrollers and sensors then this 37 in 1 Sensor Kit is ideal for start with microcontrollers and sensors. Project Tutorial for the Sensors Learning kit: This Arduino sensor kit is designed and curated to create and build various innovative projects. These projects are helpful and act as a learning element for the students. Some of the DIY projects along with the tutorial blog and video are mentioned below:   DIY Automatic Sanitizer Dispenser  DIY Line Follower Robot DIY Obstacle Avoider Robot car   Read our blog Smart Dustbin Arduino detailing Arduino code for making a smart dustbin.

3mm IR Pair This pair of 3mm IR High-power directional IR LED and Filtered photodiode can be used in various kinds of sensing circuits. The narrow beamwidth IR LED emits focused IR light and the filtered photodiode filters out ambient light without the need for any external circuit. When used with a proper circuit it can give up to 200 mm of reflective sensing and can also be used in high-speed applications like encoders. It has a peak wavelength of 940nm.IR sensors are also used in IR imaging devices, optical power meters, sorting devices, missile guidance, remote sensing, flame monitors, moisture analyzers, night vision devices, infrared astronomy, rail safety, etc. Applications of IR Transmitter & Receiver Pair: IP cameras Gas Analyzers Alarm systems and other crime prevention devices Battery-driven human presence sensors for IoT smart homes IR sensors are also used in IR imaging devices, optical power meters, sorting devices, missile guidance, remote sensing, flame monitors, moisture analyzers, night vision devices, infrared astronomy, rail safety, etc. Package Includes: 1 x 3mm IR Pair Specifications Pair Type  IR Transmitter and Reciever Material  Glass Dimensions  3 x 1 x 1mm Weight 5 grams

4 Power Indicator Battery Detection Module A Power Indicator Battery Detection Module is a gadget that detects the charge level in a battery and displays the remaining power level to the user.It often contains a voltage divider circuit that can convert the battery voltage to a level that a microcontroller or other device can read, as well as an indicator circuit that may display the remaining power level using LEDs or other visual means.The Power Indication Battery Detection Sensor Module you indicated most likely has four LEDs or other indicator lights to indicate different degrees of remaining power, such as a green LED for full power, a yellow LED for medium power, and a red LED for low power. Onboard high precision voltage detection chip and power supply voltage chip.Four onboard battery indicator light-emitting diodes (leds). Three kinds of color display, red, yellow, green, representing 20%, 50%, 80%, 100% of the battery. Set aside all the batteries testing interface and the two positioning hole. By Removing the LEDs and extending their connections to arduino, this module can also be used with all arduino boards. PCB Size: 22.2(mm)x17.2.(mm) Package Includes: 1 x 4 Power Indicator Battery Detection Module Specifications: Voltage 12V Light Type  LED Dimension(mm) 22.2 x 17.2