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MQ-135 Smoke Gas Sensor Module Features MQ series sensor uses a small heater inside with an electrochemical sensor in order to measure different kinds of gas combinations. The MQ-135 sensor is a sensor for detecting air quality. This sensor is able to detect smoke, CO2, ammonia, alcohol and benzene in the air. Note After turning on the module, wait for 2 minutes until the inside heater warms up. You can download the datasheet of this module here.[wpdm_package id=...

TSD-10 Thermometrics Turbidity Sensor Features The TSD-10 turbidity sensor measures the turbidity using optics and light passing through the liquid. This sensor has an analog output and requires an ADC converter. It is used in washing machines to measure the density of water turbidity. By using an optical transistor and optical diodes, it measures the amount of light coming from the source of the light to the light receiver, in order to calculate water turbidity. This sensor has a waterproof body. Note You ...

4 Channel Infrared Module Features This module has 4 IR transmitter and receiver pairs that can be used to detect black and white color as well as obstacles. Each channel has digital voltage output. You can adjust the sensor’s sensitivity using the on board potentiometers. Pinout You can see pinout of IR module in the image below. Required Materials Hardware Components Arduino UNO R3 × 1 4 Channel IR Obstacle Avoidance Proximity Module × 1 Male to Male jumper wir...

TCRT5000 IR SENSOR Features The TCRT5000 sensor consist of an IR transmitter and IR receiver. When the proper voltage is applied to the infrared transmitter, it transmits and emits infrared waves. When these waves collide with an object, the infrared receiver, which is a phototransistor, receives the waves. A phototransistor works like a normal transistor, except that its base is excited by light. Note This sensor works best for objects in the range of 0.2 to 1.5 cm. You can download the datashe...

R301T Fingerprint Module Features This is an integrated fingerprint module with image collecting and algorithm chip together. It works in different conditions of the fingers, whether the fingers dry, wet, light texture, or old. It works in a variety of applications such as access control, safety deposit boxes. This fingerprint module communicates with the controllers with UART, Connect to any microcontroller or system with TTL serial, and sends packets of data to take photos, detect prints, hash, and se...

YZC-161B Load Cell Sensor Features Load cells are electronic sensors used for measuring weight and force. Load cells are made of alloy and a number of tensile strengths. When force is on the load cell, the spring element is slightly deformed, and unless overloaded, always returns to its original shape. The capacity of a load cell is the maximum amount of force it can withstand. Notes To measure tensile strength changes, we use the HX711 module. It is a high-precision analog-to-digital converter...

SHT30 Temperature & Humidity Sensor Features SHT30 is a digital temperature and humidity sensor. This module uses I2C communication and the 2 SCL and SDA pins are used to communicate with this sensor. This sensor is ideal for temperature and humidity sensing.  Temperature measurement range: 0°C to 65°C/ Accuracy ±0.3°C Humidity measurement range: 0-100% RH/ Accuracy ±3% RH You can download the datasheet of this module here...