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Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0351
Contactless transmission of data and supply energy (no battery needed) Operating distance: Up to 100mm (depending on antenna geometry) RoboticsBD Operating frequency: 13.56MHz Data transfer: 106 kbit/s Data integrity: 16 Bit CRC, parity, bit coding bit counting Anticollision Typical ticketing transaction: <100 ms ( including backup management)...
Reference: 0245
Choose your desire Resistor value from below:
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: 1353
Length: 12.5 inches/30 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0761
Breadboard friendly Mounting Style: Through Hole Mounting Direction: Vertical
Store Pickup Available!
Free Ship Over 5000 BDT
Quality Product
No Warranty
No Replacement
As the name suggests the Knock Sensor Module produces the Digital output on the detection of Knock i.e. vibration stroke. Further, the change in voltage level can be manipulated to produce the desired output and can be used in a variety of applications. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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int Led = 13 ;// Declaration of the LED output pin
int Sensor = 10; // Declaration of the sensor input pin
int val; // Temporary variable
void setup ()
{
pinMode (Led, OUTPUT) ; // Initialization output pin
pinMode (Sensor, INPUT) ; // Initialization sensor pin
}
void loop ()
{
val = digitalRead (Sensor) ; // The current signal at the sensor will be read
if (val == HIGH) // If a signal was detected , the LED will light up
{
digitalWrite (Led, LOW);
}
else
{
digitalWrite (Led, HIGH);
}
}
Connections with Arduino:
# Needed modules will be imported and configured
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
# The input pin of the sensor will be declared. Additional to that the pull up resistor will be activated
GPIO_PIN = 24
GPIO.setup(GPIO_PIN, GPIO.IN)
print "Sensor-Test [press ctrl+c to end]"
# This output function will be started at signal detection
def outFunction(null):
print("Signal detected")
# At the moment of detection a signal (falling signal edge) the output function will be activated.
GPIO.add_event_detect(GPIO_PIN, GPIO.FALLING, callback=outFunction, bouncetime=100)
# main program loop
try:
while True:
time.sleep(1)
# Scavenging work after the end of the program
except KeyboardInterrupt:
GPIO.cleanup()
Connections with Raspberry Pi:
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| General Specification | |
| Operating voltage (v) | 3.3 ~ 5 |
| Default Output | High |
| Output Type | Digital |
| Length (mm) | 19.5 |
| Width (mm) | 16 |
| Height (mm) | 7.5 |
| Weight (gm) | 1 |
| Shipment Weight | 0.01 kg |
| Shipment Dimensions | 4 × 2 × 1 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x The Knock Sensor Module.
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The latest price of Knock Sensor Module KY-031 in Bangladesh is BDT 69 You can buy the Knock Sensor Module KY-031 at best price from our RoboticsBD or visit RoboticsBD Office.
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Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
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Product Images are shown for illustrative purposes only and may differ from the actual product. |
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Reference: RBD-0152
Using SW-420 normally closed type vibration sensor Comparator output, clean signal, good waveform, strong driving ability, >15mA Operating voltage 3.3V ~ 5V Output format: digital switching output (0 and 1) Using a wide voltage LM393 comparator With bolt holes for easy installation
Reference: RBD-0415
Has a signal output instruction When the output valid signal is high, the light goes out The sensitivity is adjustable (fine-tuning) The wide detection range of vibration, no direction With mounting holes, firmware installation is flexible and convenient. RoboticsBD
Reference: RBD-0420
Voltage Range: DC 2.5-4V. Motor Diameter: 10 mm. RoboticsBD Motor Thickness: 3.4 mm. Min. Rated Speed: 9000RPM Max. Rated Current: 60mA
Reference: RBD-1249
Voltage Range: DC 2.5-4V. Motor Diameter: 10 mm. Motor Thickness: 3.4 mm. Min. Rated Speed: 9000RPM Max. Rated Current: 90mA
Reference: RBD-1740
Operating voltage: 3.3 to 5VDC Ball Rolling type of tilt sensor. This small module is easy to use. A fixed bolt hole for easy installation Wide voltage LM393 comparator
Reference: RBD-1833
NEW TYPE AVAILABLE CLICK HERE Measurement range: 0-199 mg/KG Measurement accuracy: +-2%F.s Resolution: 1mg/KG (mg/L) Response time (T90, s): less than 10 Communication port: RS485 Power supply: 5V-24v DC
Reference: RBD-3653
Brand: DFRobot
Compact 10DOF sensor module integrates orientation and barometric sensors, supporting complex data processing for applications like AR, gaming, and wearables.
Reference: RBD-3598
The GY-BNO055 9DOF Absolute Orientation Sensor Module is a high-precision 9-axis IMU (Inertial Measurement Unit) breakout board that combines a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer. Unlike traditional IMUs, the BNO055 simplifies complex motion tracking by integrating a high-speed ARM Cortex-M0 processor directly on the chip....
Reference: RBD-2097
5V Dc Power Supply Power indicator light The comparator output is light High Sensitivity Sound Microphone Sensor Detection Module Electric condenser microphone
Reference: RBD-2326
Brand: DFRobot
Gravity Analog Heart Rate Monitor Sensor (ECG) for Arduino with AD8232 chip Measures and outputs heart electrical activity as an analog ECG signal Compatible with Arduino, Raspberry Pi, Intel Edison, Joule, and Curie Features a Gravity Interface for easy plug-and-play integration Operates at 3.3V to 6V, with a compact design for various health monitoring...
Reference: RBD-1757
Supply Voltage: 3.3 V/ 5V. Interface Type: I²C, SPI. Sensing Range: ±2g, ±4g, ±8g, ±16g. Sensitivity: X: 28.6 LSB/g. Y: 31.2 LSB/g. Z: 34.5 LSB/g. Ultra Low Power: 40µA in measurement mode, 0.1µA in standby@ 2.5V. Free-Fall Detection. Tap/Double Tap Detection.
Reference: RBD-3091
Brand: DFRobot
This is a water pressure sensor adopts DFRobot Gravity 3-pin interface. It supports standard 5V voltage input and 0.5~4.5V linear voltage output. It is compatible with multiple Arduino controllers.
Reference: RBD-1248
Speed(RPM):19000 Motor diameter: 6mm Shaft diameter: 0.8mm Shaft length: 4mm Rated voltage: 1.5V-3.1V
Reference: RBD-0419
Features: Built-in Red, IR, and Green LEDs 5V operation (3.3V is allowed, but green LED is not guaranteed to operate) Applications include presence detection, distance sensing (18" max), pulse oximetry, blood oxygen saturation level (SpO2), smoke and particle detection Documents: Schematic Eagle Files Hookup Guide Datasheet (MAX30105) MAX3010x Sensor...
Reference: RBD-2088
Operating Voltage: 5v DC. This module is Small and Simple to use. Digital switch output (0 & 1) High sensitivity Completes the circuit when the module is tilted LED lights up when tilt switch is activated
Reference: RBD-3222
Brand: Hi-Link
The Hi-Link LD2420 is a high-sensitivity 24GHz radar sensor module designed for precise human presence detection. Utilizing FMCW (Frequency Modulated Continuous Wave) radar technology, it detects human targets in both motion and stationary states with exceptional accuracy. This module outperforms traditional PIR sensors, offering enhanced sensitivity and...
Reference: RBD-1640
Color: White Material: Metal + Plastic Operating Voltage : 12V DC Standby Current : ≤90mA Alarm Current : ≤100mA
Reference: RBD-1194
Product Name : Optical Sensor Switch Model : RPR220 Color : Black Net Weigh : 3g Material : Plastic, Metal Detection Distance：1-13mm Working Voltage:DC 30V(Max) Output Type:Photo Transistor
Reference: RBD-3113
Rated Output:1.0 ± 0.1mV / V Non Linear Output:± 0.03% F.S Impedance (Ω):1115±10% Ω
Reference: RBD-1198
Industrial Systems Consumer Products Thermometers Thermally Sensitive Systems
Reference: RBD-1066
Operating voltage: 5V DC. Detector distance: 1CM. Adjust the potentiometer, let the modules work normally. Small and easy to use module. It comes with a Buzzer for metal detection indication.The Mini Metal Detector Module arrives disassembled, requiring assembly using a soldering iron and soldering accessories. Moderate knowledge of soldering and...
Reference: RBD-2098
Big Microphone Sound Sensor Module Sound Detection Sensor Module High Sensitive Voice Sensor
Reference: RBD-2799
This is the HC-SR04-33 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04-33 module includes an ultrasonic transmitter, a receiver and a control circuit. There are only four pins that you need to worry about on the HC-SR04: VCC...
Reference: RBD-2498
3D time-of-flight camera module with RGB capabilities Resolution of 320×240 and an inertial measurement unit (IMU) Acquires all RGB-D data through a USB cable Seamless previewing of depth maps, point cloud data, and real-time colorful 3D rendering Linux compatibility out-of-the-box Supports ROS1 and ROS2 Python SDK provided
Reference: RBD-1063
Temperature Control Range(°C): -10 to +50 Resolution @-9.9°C to +99.9°C: 0.1°C Resolution @all temperatures: 1°C Accuracy: 0.1°C Refresh Rate(s): 0.5 Supply Voltage(V): 12 Measuring Inputs: NTC10K Cable Length: 0.5 Meter Output Type: 1 Channel Relay Output Capacity: 10A If you need to measure more than 50c please review this product. XH-W1219 Temperature...
Reference: RBD-2100
Comparator chip LM393 makes module readings stable. Operating voltage 3.3V-5V. Fast Response Time Sensitivity adjustable Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm. Detection range: up to 100 cm. Adjustable detection range. Detection angle about 60 degrees, it is sensitive to the flame spectrum.
Reference: RBD-0958
Five Operating Modes Integrated MCU Onboard Processing Standard I2C Digital Interface Optimized Low-Power Modes Optional NTC Thermistor Pins
Reference: RBD-1111
This is one open-source Geiger Counter project which could be used to detect nuclear radiation. The schematic and code and other helpful files are listed in this package. All the codes are designed and tested on this kit, these materials are useful for DIY Geiger Counter Kit Nuclear Radiation Detectors or Radiation Monitoring Stations. Note: The kit comes...
Reference: RBD-2444
Designed for use as an endstop for 3D printers but it can be used for other IR beam interrupter purposes as well.
Reference: RBD-2598
Brand: RoboticsBD
Precise Line Following: Navigate black lines on white surfaces with 8 high-resolution sensors. Easy Microcontroller Integration: Connect directly to your microcontroller with digital outputs. Fast and Responsive: Achieve accurate line following even at high speeds. Simple Calibration: Calibrate sensors quickly and easily with a large knob. Versatility:...
Reference: RBD-0313
Low power consumption, Low cost, and Compact size Read and write chip Fully integrated at 13.56MHz
Reference: RBD-1719
Envitec Honeywell OOM202 Medical Ventilator Oxygen Sensor Made in GermanyManufacture Date: 2024 March
Reference: RBD-2091
Digital signal output 18B20 Temperature Sensor Chip (MY18E20 or DS18b20) Resolution adjustment ranges from 9-12 bytes. Send data via a pin Temperature measurement ranges: -55°C to +125°C, be accurate to 0.5°C.Compatible with DS18B20
Reference: RBD-3278
The INA226 Voltage Current Power Monitoring Module is a high-precision I²C-based sensor designed for real-time voltage, current, and power measurements in electronic circuits. With its high 16-bit ADC resolution, this module ensures accurate and reliable monitoring of power consumption, making it an essential tool for engineers, hobbyists, and...
Reference: RBD-2059
LDR 20 mm Light Depending Resistor Low-cost sensor device Wide spectral response Use in fire alarms, smoke alarms, control street light Low cost. Ambient Temperature Range. Wide spectral response.
Reference: RBD-0914
Driver Chip: MAX7219 Input Voltage: 3.7 to 5.3 V Input Current: 320 mA Display Dimensions: 32x32x6 (LxWxH) mm PCB Dimensions: 128×32 (LxW) mm
Reference: RBD-1194
Product Name : Optical Sensor Switch Model : RPR220 Color : Black Net Weigh : 3g Material : Plastic, Metal Detection Distance：1-13mm Working Voltage:DC 30V(Max) Output Type:Photo Transistor
Reference: RBD-1408
Type: CJMCU MINI USB AMS1117 MINI USB interface input 5V MINI USB outputs 5V and 3.3V DC power socket interface input 5V – 12V. DC power outlet output (5V label) 5V and 3.3V Weight: 2 gm.
Reference: RBD-0832
Power supply: 4.5V – 5.5V, 3.3V voltage regulator circuit board Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm Control Interface: GND, VCC, MISO, MOSI, SCK, CS Size: 45 x 28mm Net weight: 6g
Reference: RBD-0321
New PT-100 Temperature Sensor AvailableClick Here PT100 Platinum Resister Temperature Sensor Waterproof Probe -20℃ ~ 450℃
Reference: RBD-1189
Wavelength: 850nm Emission Distance: 7 Meters / 23Ft Voltage: DC 1.2-1.3V Polarity: Anode (Longer Part) | Cathode (Shorter Part)
Reference: RBD-1574
Full-size HDMI ports - Use your existing cables! Infrared receiver - perfect for media center projects! Sleek Aluminum Enclosure Made with aluminum alloy and polished with a modern Space Grey finish for stunning aesthetics and functionality. Passive & Active Cooling. RoboticsBD The case top provides passive cooling for the Raspberry Pi, alongside a...
Reference: RBD-2919
This mono Class D amplifier module with a surprisingly compact form factor - less than 2cm on a side - uses a MAX98357 chip to deliver 3W of power. Its I2S input allows an easy association with a Raspberry Pi or ESP32, allowing for example to design a small portable amplified speaker.
Reference: RBD-0023
Wide Working Voltage Range: DC 4.5V- 20V Current Drain: <60uA Detection Angle: <140° Detection Distance: 3 to 7m (can be adjusted) Blockade time: 2.5s (Default) Work temperature: -20-+80°C
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0291
Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.
Reference: 0245
Choose your desire Resistor value from below:
Reference: RBD-0152
Using SW-420 normally closed type vibration sensor Comparator output, clean signal, good waveform, strong driving ability, >15mA Operating voltage 3.3V ~ 5V Output format: digital switching output (0 and 1) Using a wide voltage LM393 comparator With bolt holes for easy installation
Reference: RBD-0313
Low power consumption, Low cost, and Compact size Read and write chip Fully integrated at 13.56MHz
