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MQ-5 Smoke Gas Module Features MQ series sensor uses a small heater inside with an electrochemical sensor in order to measure a different kinds of gas combinations. This MQ-5 gas detector is used for leak detection of LPG  (Liquified Petroleum Gas), natural gas and city gas. It has low sensitivity to alcohol and smoke. Note After turning on the module, wait 2 minutes for the internal heater to warmp up. You can download the datasheet of this module here.[wpdm_...

MQ-4 Smoke Gas Module Features MQ series sensors use a small heater inside with an electrochemical sensor in order to measure different kinds of gases combination. This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air. MQ-4 has a high switching speed, no noise when switching, and also has a long life. It has a low sensitivity to alcohol and smoke. The sensor normally has a zero output, and its output inc...

MQ-3 Alcohol Gas Sensor Features MQ series sensor uses a small heater inside with an electrochemical sensor in order to measure a different kind of gases combination. The MQ-3 sensor is one of the MQ series heater-driven gas sensors that has an internal variable resistance from pin A to pin B, which depends on the amount of alcohol in the air. The sensor's output is an analog resistance. This sensor can measure the alcohol concentration in human blood alcohol gas on your breath. Alcohol decreases the i...

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=...

MX1508 Motor Driver Module Features The MX1508 driver is one of the cheapest drivers for running DC motors with a maximum current of 2 amps. Small dimensions and simple setup are the positive features of this module. The MX1508 is a dual full-bridge motor driver that allows two DC motors to be connected simultaneously. Note The MX1508 motor controller follows the H-bridge configuration, which is handy to drive a stepper motors.This driver has a temperature protection circuit that disables the d...

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...