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WeMos ESP8266 D1 R2 V2.1.0 WiFi Development Board
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WeMos ESP8266 D1 R2 V2.1.0 WiFi Development Board
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Category: Electronics-Sensors
Showing 1–40 of 99 resultsSorted by price: low to high
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Sale!
Flame Sensor (IR Receiver)
Original price was: ₹12.00.₹9.00Current price is: ₹9.00.Add to cart Buy nowQuick Review:
- Package type: leaded
- Dimensions : 5mm
- Peak wavelength: λp = 940 nm
- Forward Voltage: 1.2V ~ 1.5V
- Operating voltage: 3.3V-5V
Shipping: Usually delivered in 3-7 days.
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LDR Sensor-5mm
Original price was: ₹15.00.₹12.00Current price is: ₹12.00.Add to cart Buy nowQuick Review:
- Passive resistance output
- Ceramic package
- Diameter: 5mm
- Dark resistance: 500k Ohm
- Light resistance: 8~24K Ohm
- Max. power: 30mW
Shipping: Usually delivered in 3-7 days.
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Piezoelectric Sensor Transducer-Dia 27mm
Original price was: ₹20.00.₹14.00Current price is: ₹14.00.Add to cart Buy nowQuick Review:
- Type: Piezoelectric Sensor Transducer
- Diameter: 25mm
- Operating Voltage: Typically operates at low voltages (varies with application)
- Sensitivity: High sensitivity to mechanical vibrations
- Frequency Response: Wide frequency response range
- Mounting: Easily mountable with adhesive or screws
Shipping: Usually delivered in 3-7 days.
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5V Active Electromagnetic Buzzer
Original price was: ₹18.00.₹14.00Current price is: ₹14.00.Add to cart Buy nowQuick Review:
- Rated Voltage: 5 V DC
- Operating Voltage: 4-8 V DC
- Rated current: <30 mA
- Sound Type: Continuous Beep
- Resonant Frequency: ~2300 Hz
- Small and neat sealed package
Shipping: Usually delivered in 3-7 days.
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IR Sensor-RX,TX Pair
Original price was: ₹18.00.₹16.00Current price is: ₹16.00.Add to cart Buy nowQuick Review:
- Free air transmission system.
- Smoke detector.
- Infrared applied system.
- Multiple DIY projects.
Shipping: Usually delivered in 3-7 days.
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LDR Sensor-8mm
Original price was: ₹25.00.₹22.00Current price is: ₹22.00.Read moreQuick Review:
- Passive resistance output
- Ceramic package
- Diameter: 8mm
- Dark resistance: 500k Ohm
- Light resistance: 8~24K Ohm
- Max. power: 30mW
Shipping: Usually delivered in 3-7 days.
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TSOP1838-IR Receiver-Plastic
Original price was: ₹25.00.₹22.00Current price is: ₹22.00.Read moreQuick Review:
- Model: TSOP1838
- Operating Voltage: 2.7V to 5.5V
- Carrier Frequency: 38kHz
- Reception Range: Up to 18 meters
- Viewing Angle: ±45°
- Response Time: < 1.5ms
Shipping: Usually delivered in 3-7 days.
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TSOP1838-IR Receiver-Metal
Original price was: ₹25.00.₹22.00Current price is: ₹22.00.Add to cart Buy nowQuick Review:
- Model: TSOP1838
- Operating Voltage: 2.7V to 5.5V
- Carrier Frequency: 38kHz
- Reception Range: Up to 18 meters
- Viewing Angle: ±45°
- Response Time: < 1.5ms
Shipping: Usually delivered in 3-7 days.
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Microphone 9*7mm (1Pcs)
Original price was: ₹25.00.₹22.00Current price is: ₹22.00.Add to cart Buy nowQuick Review:
- Model: 9x7mm Microphone
- Sensitivity: -42dB ± 3dB
- Impedance: 2.2kΩ
- Frequency Response: 50Hz – 16kHz
- Operating Voltage: 1.5V to 10V
- Current Consumption: < 500μA
Shipping: Usually delivered in 3-7 days.
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TTP223 1-Channel Capacitive Touch Sensor
Original price was: ₹35.00.₹26.00Current price is: ₹26.00.Add to cart Buy nowQuick Review:
- Operating Voltage: 2.0 V to 5.5 V
- Current Consumption: < 7 µA
- Start-up Calibration Delay: 0.5 Sec
- PCB Size: 15 x 11 mm
- Low power consumption.
- Power supply: 2 ~ 5.5V DC.
Shipping: Usually delivered in 3-7 days.
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Water Level Depth Detection Sensor Module
Original price was: ₹85.00.₹28.00Current price is: ₹28.00.Add to cart Buy nowQuick Review:
- Operating voltage: DC3-5V
- Operating current: less than 20mA
- Sensor Type: Analog
- Detection Area: 40mmx16mm
- Operating temperature: 10℃-30℃
- Humidity: 10% -90% non-condensing
Shipping: Usually delivered in 3-7 days.
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IR Infrared Obstacle Avoidance Module
Original price was: ₹49.00.₹29.00Current price is: ₹29.00.Add to cart Buy nowQuick Review:
- VCC: The positive 3.3-5 v power supply.
- GND: Connect power negative.
- AO: This is an analog output.
Shipping: Usually delivered in 3-7 days.
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LDR Sensor-10mm
Original price was: ₹35.00.₹32.00Current price is: ₹32.00.Add to cart Buy nowQuick Review:
- Passive resistance output
- Ceramic package
- Diameter: 10mm
- Dark resistance: 500k Ohm
- Light resistance: 8~24K Ohm
- Max. power: 30mW
Shipping: Usually delivered in 3-7 days.
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Availability:
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Sale!
Buzzer-Big (3-12)V Piezoelectric Active
Original price was: ₹48.00.₹34.00Current price is: ₹34.00.Add to cart Buy nowQuick Review:
- Rated Voltage: 3-12Volt
- Operating Voltage: 4-8 V DC
- Rated current: <30 mA
- Sound Type: Continuous Beep
- Resonant Frequency: ~2300 Hz
Shipping: Usually delivered in 3-7 days.
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TCRT5000-Reflective Infrared Optical Sensor
Original price was: ₹45.00.₹35.00Current price is: ₹35.00.Add to cart Buy nowQuick Review:
- Sensing Distance: 12mm.
- Operating Wavelength: 950 mm.
- Sensing Method: Reflective.
- Reverse Voltage: 5V.
- Forward Current: 60mA.
- Forward Surge Current: 3A.
- Emitter Power Dissipation: 100mW.
Shipping: Usually delivered in 3-7 days.
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IR Sensor module Imported
Original price was: ₹49.00.₹38.00Current price is: ₹38.00.Add to cart Buy nowQuick Review:
- Operating Voltage: 5V DC
- Digital Output: Logic one (+3.5V DC) /Logic zero (0V DC)
- Mounting Hole of 2.5mm diameter for Easy Mounting.
- This can, in turn, be used for detecting white/black lines (inline follower ROBOTs)or bright/dark objects (in object identification ROBOTs)
- Useful for various Robotic Applications, Room Visitor Counter Systems, etc.
Shipping: Usually delivered in 3-7 days.
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IR Sensor module Indian
Original price was: ₹40.00.₹38.00Current price is: ₹38.00.Read moreQuick Review:
- Operating Voltage: 5V DC
- Digital Output: Logic one (+3.5V DC) /Logic zero (0V DC)
- Mounting Hole of 2.5mm diameter for Easy Mounting.
Shipping: Usually delivered in 3-7 days.
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Sale!
TSOP1738-IR Receiver 38kHz-Plastic
Original price was: ₹45.00.₹40.00Current price is: ₹40.00.Add to cart Buy nowQuick Review:
- Model: TSOP1738
- Operating Voltage: 2.7V to 5.5V
- Carrier Frequency: 38kHz
- Reception Range: Up to 18 meters
- Viewing Angle: ±45°
- Response Time: < 1.5ms
Shipping: Usually delivered in 3-7 days.
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Sale!
KY-037 High Sensitivity Sound Microphone Sensor Detection Module
Original price was: ₹95.00.₹49.00Current price is: ₹49.00.Add to cart Buy nowQuick Review:
- IC Chip: LM393
- Operating Voltage: 3.3V to 5V
- Output: Digital and Analog
- Microphone Type: Electret condenser
- Sensitivity Adjustment: Potentiometer
Shipping: Usually delivered in 3-7 days.
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Sale!
Vibration Sensor Module Motion Sensor Module Vibration Switch SW-420
Original price was: ₹89.00.₹49.00Current price is: ₹49.00.Add to cart Buy nowQuick Review:
- Operating Voltage (VDC): 3.3 ~ 5
- With bolt holes for easy installation
- Using a wide voltage LM393 comparator.
- Using SW-420 normally closed type vibration sensor.
Shipping: Usually delivered in 3-7 days.
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Sale!
Digital Sensor TTP223B Module Capacitive Touch Switch
Original price was: ₹75.00.₹49.00Current price is: ₹49.00.Add to cart Buy nowQuick Review:
- Low power consumption
- Touch Switch Type: Capacitive Touch Switch
- Power supply: 2 ~ 5.5V DC
- Can replace the traditional touch of a button
- Four M2 screws positioning holes for easy installation
Shipping: Usually delivered in 3-7 days.
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Sale!
![Laser Mini Dot Diode [Red Laser]-5V DC 5mW 650nm 6mm](https://ercomsroboticslab.com/wp-content/uploads/2025/04/ERLSR001-Laser-Diode-Red-Laser-650nm-6mm-O5V-copy-320x320.webp)
Laser Mini Dot Diode [Red Laser]-5V DC 5mW 650nm 6mm
Original price was: ₹65.00.₹49.00Current price is: ₹49.00.Add to cart Buy nowQuick Review:
- Laser wavelength: 650nm (Red)
- Copper Head Diameter is 6mm
- Light power: <5mW
- Supply Voltage: 4.5VDC
- Operating Current: <40mA
Shipping: Usually delivered in 3-7 days.
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Sale!
![Laser Diode Module [Red Laser]-650nm 0~5V](https://ercomsroboticslab.com/wp-content/uploads/2025/04/ERLSR002-Laser-Diode-Module-Red-Laser-650nm-05V-320x320.webp)
Laser Diode Module [Red Laser]-650nm 0~5V
Original price was: ₹59.00.₹49.00Current price is: ₹49.00.Read moreQuick Review:
- Voltage: 3.0 V – 5 V
- Driver: APC circuit
- Transmit power: 58mW
- Input current: 30mA
- Wavelength: 650nM
Shipping: Usually delivered in 3-7 days.
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IR Remote Control Without Battery
Original price was: ₹89.00.₹49.00Current price is: ₹49.00.Add to cart Buy nowQuick Review:
- Pointing Angle: up to 60
- IR carrier frequency: 38KHz
- Output type: Digital
- Power Supply: CR2050 Battery
- Remote control distance: More than 8 meters
Shipping: Usually delivered in 3-7 days.
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Sale!
LED Traffic Lights Signal Module
Original price was: ₹69.00.₹49.00Current price is: ₹49.00.Add to cart Buy nowQuick Review:
- Item Type: LED Module
- Voltage Rating (V): 5
- Color: Red, Yellow and Green
- LED Size (mm): 10×7
- PCB Size ( L x W ) mm: 60 x 20
Shipping: Usually delivered in 3-7 days.
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Sale!
5V Active Electromagnetic Buzzer With Male Wire
Original price was: ₹89.00.₹49.00Current price is: ₹49.00.Add to cart Buy nowQuick Review:
- Rated Voltage: 5 V DC
- Operating Voltage: 4-8 V DC
- Rated current: <30 mA
- Sound Type: Continuous Beep
- Resonant Frequency: ~2300 Hz
- Small and neat sealed package
Shipping: Usually delivered in 3-7 days.
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Sale!
5V Active Electromagnetic Buzzer With Female Wire
Original price was: ₹89.00.₹49.00Current price is: ₹49.00.Add to cart Buy nowQuick Review:
- Rated Voltage: 5 V DC
- Operating Voltage: 4-8 V DC
- Rated current: <30 mA
- Sound Type: Continuous Beep
- Resonant Frequency: ~2300 Hz
- Small and neat sealed package
Shipping: Usually delivered in 3-7 days.
Brand New || Best Quality || Skype and Video Support Available.
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LM35-Temperature Sensor
Original price was: ₹75.00.₹56.00Current price is: ₹56.00.Add to cart Buy nowQuick Review:
- Operates Voltage: 4 V to 30 V
- Current Drain: Less Than 60-μA
- Low Self-Heating: 0.08°C in Still Air
- Non-Linearity Only ±¼°C Typical
- Low-Impedance Output:1 Ω for 1-mA Load
Shipping: Usually delivered in 3-7 days.
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Sale!
Buzzer-Big (3-24)V Piezoelectric Active
Original price was: ₹89.00.₹59.00Current price is: ₹59.00.Add to cart Buy nowQuick Review:
- Rated Voltage: 3-24Volt
- Operating Voltage: 4-8 V DC
- Rated current: <30 mA
- Sound Type: Continuous Beep
- Resonant Frequency: ~2300 Hz
Shipping: Usually delivered in 3-7 days.
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HC-89 Interrupt Sensor
Original price was: ₹89.00.₹59.00Current price is: ₹59.00.Add to cart Buy nowQuick Review:
- VCC: The positive 3.3-5 v power supply.
- GND: Connect power negative.
- DO: TTL switch signal output.
- AO: This is an analog output.
Shipping: Usually delivered in 3-7 days.
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Flame Sensor Module
Original price was: ₹75.00.₹69.00Current price is: ₹69.00.Add to cart Buy nowQuick Review:
- Output Channel: 1
- Power Supply: 3.3/5V
- Indicator light: a green one for the switch, a red one for power.
- Net Weight: 3g
- Hole Size: 3mm
Shipping: Usually delivered in 3-7 days.
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LDR Sensor Module Imported
Original price was: ₹89.00.₹69.00Current price is: ₹69.00.Add to cart Buy nowQuick Review:
- Input Voltage: DC 3.3V to 5V
- Output: Analog and Digital
- Sensitivity adjustable: Yes By Potentiometer
- Power indicator : (Red) and Output Indicator LEDs.
- DO digital output interface, a small plate (0 and 1)
Shipping: Usually delivered in 3-7 days.
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Speed Measuring Sensor Groove Coupler Module For Arduino
Original price was: ₹135.00.₹69.00Current price is: ₹69.00.Add to cart Buy nowQuick Review:
- Using imported groove optical coupling sensor, width 5mm.
- It has the output state light, if the output is high level, the lights are off. if output low level, it is on.
- If it is covered, it will output a high level; otherwise, it output a low level.
- Good signal and waveform, with a strong driving ability for more than 15mA.
- Equipped with a fixed bolt hole, easy install.
Shipping: Usually delivered in 3-7 days.
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4×3 Matrix 12 keys Membrane Switch Keypad
Original price was: ₹80.00.₹69.00Current price is: ₹69.00.Add to cart Buy nowQuick Review:
- Length of cable + connector: 93mm
- 7-pin 0.1″ pitch connector
- Weight: 7.5 grams
- Keypad dimensions: 68.5mm x 76.5mm x 1mm
Shipping: Usually delivered in 3-7 days.
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Infrared Obstacle Avoidance Sensor Module
Original price was: ₹89.00.₹69.00Current price is: ₹69.00.Add to cart Buy nowQuick Review:
- Working voltage: DC 3.3V – 5V
- Working current: More than 20mA
- Working temperature: -10 to 50 centigrade degree
- Detection distance: 2 – 40cm
- IO interface : 4 line (- / + / S / EN)
Shipping: Usually delivered in 3-7 days.
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Rain Drop Detection Sensor Module
Original price was: ₹85.00.₹74.00Current price is: ₹74.00.Add to cart Buy nowQuick Review:
- Operating Voltage: 3.3V – 5V
- Output Type: Digital and Analog
- Digital Output: High/Low (1/0)
- Analog Output: 0V to VCC (depending on the amount of water detected)
Shipping: Usually delivered in 3-7 days.
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Sale!
Soil Moisture Sensor Module
Original price was: ₹85.00.₹75.00Current price is: ₹75.00.Add to cart Buy nowQuick Review:
- Operating Voltage: 3.3V – 5V
- Output Type: Digital and Analog
- Digital Output: High/Low (1/0) based on moisture threshold
- Analog Output: 0V to VCC (varying voltage based on soil moisture level)
Shipping: Usually delivered in 3-7 days.
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LDR Sensor Module Indian
Original price was: ₹85.00.₹75.00Current price is: ₹75.00.Add to cart Buy nowQuick Review:
- Input Voltage: DC 3.3V to 5V
- Output: Analog and Digital
- Sensitivity adjustable: Yes By Potentiometer
- Power indicator : (Red) and Output Indicator LEDs.
Shipping: Usually delivered in 3-7 days.
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4×4 Membrane Switch Keypad
Original price was: ₹99.00.₹75.00Current price is: ₹75.00.Add to cart Buy nowQuick Review:
- Easy communication with any microcontroller
- 5 pins 2.54mm pitch connector,4x 4type 16 keys.
- Sticker can peel off for adhesive mounting.
Shipping: Usually delivered in 3-7 days.
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Active Buzzer Module
Original price was: ₹99.00.₹76.00Current price is: ₹76.00.Read moreQuick Review:
- Type: Active Buzzer Module
- Operating Voltage: 3V to 5V DC
- Sound Output: Audible sound alert
- Interface: Two-pin (Vcc, GND)
- Dimensions: Compact size for easy integration
Shipping: Usually delivered in 3-7 days.
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