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Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.
PIR Motion Sensor
Store Pickup Available!
This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low.
This unit works great from 5 to 12V (datasheet shows 12V). You can also install a jumper wire past the 5V regulator on board to make this unit work at 3.3V. Sensor uses 1.6mA@3.3V.
The alarm pin is an open collector meaning you will need a pull up resistor on the alarm pin. The open drain setup allows multiple motion sensors to be connected on a single input pin. If any of the motion sensors go off, the input pin will be pulled low.
The connector is slightly odd but has a 0.1" pitch female connector making it compatible with jumper wires and 0.1" male headers.
Note: The colors of the wires can vary greatly. Looking at the unit from the top, the middle wire is ground, the left-most wire is the alarm, and the right-most is the power.
You can use LC Metal detector non-contact metal induction detection module as a metal detector. When it approaches any metal, it makes a sound. This is a module specifically designed to detect metal. The module operates by inducing currents in metal objects and responding when it occurs. A nice onboard buzzer signals when it detects something and an...
Precision Real Time Clock Module DS3231 AT24C32 I2C
Need to measure water quality and other parameters but haven't got any low cost pH meter? Find it difficult to use with Arduino? Analog pH meter, specially designed for Arduino controllers and has convenient and practical "Gravity" connector and a bunch of features
Description knock sensor module and a digital interface, built-in LED build a simple circuit to produce percussion flasher.Interface comes with digital LED, will knock sensor connected digital 3 interface, when percussion sensor senses measure to percussive signals, LED flashing light.
VOC gas sensors are used to detect formaldehyde, toluene, benzene, etc., is a type of semiconductor sensors, it is widely used in ventilation, ventilation fans, air filters, hood, hood and other equipment. With high sensitivity and stability, able to detect more than 0.1ppm gas, air suitable for detecting a variety of volatile organic components...
Weighing Sensor 24 Bit HX711 Dual-Channel Precision A/D Module Pressure Sensor. This module uses 24 high precision A/D converter chip HX711. It is a specially designed for the high precision electronic scale design, with two analog input channel, the internal integration of 128 times the programmable gain amplifier.
9-Axis Gyro + Accelerator + Magnetometer Sensor Module MPU-9250 Features and Specifications: Chip: MPU9250; Power voltage: 3~5V Communication mode: I2C / SPI Gyro range: +/-250, +/-500, +/-1000, +/-2000dps Accelerator range: +/-2G, +/-4G, +/-8G, +/-16G Magnetometer range: +/-4800uF Pin spacing : 2.54mm
Description The LM35 series are precision integrated-circuit temperature sensors, with an output voltagelinearly proportional to the Centigrade temperature. Thus the LM35 has an advantage over linear temperature sensors calibrated in ° Kelvin, as the user is not required to subtract a large constant voltage from the output to obtain convenient...
Brand: SparkFun Electronics
Features: Range: 0-40m Laser Emitter Accuracy: +/- 2.5cm at distances greater than 1m Power: 4.75–5V DC; 6V Max Current Consumption: 105ma idle; 130ma continuous Rep Rate: 1–500Hz Laser Wave Length/Peak Power: 905nm/1.3 watts Beam Divergence: 4 m Radian x 2 m Radian Optical Aperture: 12.5mm Interface: I2C or PWM
MLX90614 Contactless Temperature Sensor Module For Arduino Compatible Application: Thermal Imaging Camera, Wireless Temparature Measure. Easy to integrateFactory calibrated in wide temperature range:-40…+125°C for sensor temperature and-70…+380°C for object temperature.
Description: This is RGB and Gesture Sensor, a small breakout board with a built in APDS-9960 sensor that offers ambient light and color measuring, proximity detection, and touchless gesture sensing. This is, in fact, the same sensor that the Samsung Galaxy S5 uses and is probably one of the best gesture sensors on the market for the price.