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- × SD Card - 32GB Class 10 1 × ₹349.00
- × LDR Module 1 × ₹35.00
- × Male-Female (40 Jumper Wires) 1 × ₹45.00
- × MQ-4 Methane Natural Gas Sensor 1 × ₹108.00
- × Small Servo Metal Gear (MG90S) 2 × ₹132.00
- × Digital Vernier Caliper 1 × ₹465.00
- × MQ-3 Alcohol - Ethanol Sensor 1 × ₹120.00
- × 12V DC Gear motor(150 rpm) 2 × ₹135.00
- × Soil Moisture Sensor 1 × ₹42.00
- × Solar Panel 6V 7x7cm 1 × ₹25.00
- × L293D Motor driver Module 1 × ₹65.00
- × ESP 32 1 × ₹399.00
- × Seven Segment Display (Common Cathode) 1 × ₹6.00
- × Solderless 400 pin breadboard 1 × ₹37.00
- × 555 Timer IC(5 pcs) 1 × ₹7.00
- × NPN Transistor - BC547(10 pcs) 1 × ₹20.00
Subtotal: ₹2,257.00

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Sensor
MQ-135 Air Quality Sensor
Sensor
MQ-135 Air Quality Sensor

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High sensitivity to Ammonia, Sulphide and Benzes

Stable and Long Life

Detection Range: 10 – 300 ppm NH3, 10 – 1000 ppm Benzene, 10 – 300 Alcohol

Heater Voltage: 5 V

Dimensions: 18 mm Diameter, 17 mm High excluding pins,Pins – 6 mm High

Long life and low cost

Domestic air pollution detector

Industrial air pollution detector

Portable air pollution detector

SKU: STEM18077
₹120.00 ~~₹186.00~~
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Sensor
MQ-2 Smoke Detection Sensor
Sensor
MQ-2 Smoke Detection Sensor

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Operating Voltage is +5 V

Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even Methane

Preheat duration 20 seconds

Can be used as a Digital or Analog sensor

The Sensitivity of Digital pin can be varied using the potentiometer

SKU: STEM18070
₹105.00 ~~₹249.00~~
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Sensor
MQ-3 Alcohol – Ethanol Sensor
Sensor
MQ-3 Alcohol – Ethanol Sensor

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Operating Voltage: 3.5V to 5.5V

Operating current: 0.3mA (measuring),60uA (standby)

Output: Serial data

Temperature Range: 0?C to 50?C

Humidity Range: 20% to 90%

Good Sensitivity to Alcohol Gas

Accuracy: ?1?C and ?1%

On-board LED Indicator

SKU: STEM18071
₹120.00 ~~₹194.00~~
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Sensor
MQ-4 Methane Natural Gas Sensor
Sensor
MQ-4 Methane Natural Gas Sensor

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Good sensitivity to Combustible gas in wide range

High sensitivity to CH4, Natural gas

Small sensitivity to alcohol, smoke

Oxygen concentration: 21%(standard condition)

Wide detection range

Port explanation : DO for digital output, AO for analog output

SKU: STEM18072
₹108.00 ~~₹169.00~~
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Sensor
MQ-5 Methane Liquified Gas Sensor
Sensor
MQ-5 Methane Liquified Gas Sensor

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Operating Voltage: 5V DC

High sensitivity to LPG, natural gas, town gas

Small sensitivity to alcohol, smoke

Stable and long life

Simple drive circuit

Fast response

SKU: STEM18073
₹108.00 ~~₹181.00~~
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Sensor
MQ-6 Liquefied Petroleum Gas Sensor
Sensor
MQ-6 Liquefied Petroleum Gas Sensor

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High Sensitivity to LPG, iso-butane, propane

Small sensitivity to alcohol, smoke

Detection Range: 100 – 10,000 ppm iso-butane propane

Fast Response Time: <10s

Simple drive circuit

Heater Voltage: 5.0V

SKU: STEM18074
₹107.00 ~~₹134.00~~
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Sensor
MQ-7 High Sensitivity CO Carbon Monoxide Sensor
Sensor
MQ-7 High Sensitivity CO Carbon Monoxide Sensor

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Has better sensitive detection for carbon monoxide, which with lower conductivity in clean air

High quality double panel design

Power and TTL signal output indication

Has a long service life and reliable stability

Mainly used for SNO2 collection detection in family, factory, underground operation

SKU: STEM18075
₹120.00 ~~₹178.00~~
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Mechanical Tools
Multi Purpose Screwdriver Set
Mechanical Tools
Multi Purpose Screwdriver Set

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32 in 1 Mini Screwdriver Tool Set Kit with Magnetic Flexible Extension Rod, Precision Bits screw driver, computer, mobile repairing tool kit, watch repairing, laptop screwdriver set, Multicolor

SKU: STEM18222
₹155.00 ~~₹194.00~~
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IOT
Node MCU ( ESP8266)
IOT
Node MCU ( ESP8266)

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Open-source, Interactive, Programmable

Wi-Fi Module: ESP-12E module with 6 extra GPIOs

USB: Micro USB port for power, programming and debugging

Headers: 2 x 2.54 mm 15-pin header with access to GPIOs, SPI, UART, ADC and power pins

Drive Type: Dual high-power H-bridge

Flash size: 4 MB

Transfer rate: 110-460800 kbps

Miscellaneous: Reset and flash buttons

SKU: STEM18039
₹242.00 ~~₹303.00~~
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Wire and Cables
Node MCU Cable
Wire and Cables
Node MCU Cable

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USB – micro USB cable for power, programming and debugging

SKU: STEM18040
₹32.00 ~~₹56.00~~
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Passive Components
NPN Transistor – 2N3904(10 pcs)
Passive Components
NPN Transistor – 2N3904(10 pcs)

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Operating voltage: 2 V to 60 V

Peak Power O/P: 100 mA

Operating range: -65?C to 150?C

Electronic switching Device

Frequency Amplifier up to 100 mHz

SKU: STEM18057
₹29.00 ~~₹44.00~~
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Passive Components
NPN Transistor – BC547(10 pcs)
Passive Components
NPN Transistor – BC547(10 pcs)

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Collector-Emitter Volt (Vceo): 45 V

Collector Current (Ic): 100 mA

Power Dissipation (Ptot): 625 mW

Current-Gain-Bandwidth (ftotal): 300 MHz

Amplifier purposes

Switching purposes

Type: NPN

SKU: STEM18058
₹20.00 ~~₹31.00~~
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Electric Tools
Owon Digital Oscilloscope
Electric Tools
Owon Digital Oscilloscope

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OWON MTQ 1016B Analogue Oscilloscope – 10 MHz 1 Channel

SKU: STEM18229
₹10,499.00 ~~₹13,124.00~~
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Electronic Module
Piezo Big 5 volt-Buzzer
Electronic Module
Piezo Big 5 volt-Buzzer

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It is a Big 5 V Piezo Transducer

It is a signalling device, usually electronic

High quality piezoelectric sound (Beep)

2 Mounting holes distance: 42 mm

SKU: STEM18033
₹15.00 ~~₹24.00~~
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Sensor
PIR Motion Detector Module
Sensor
PIR Motion Detector Module

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Input Voltage: 4.8V – 20V DC

Current: 50uA(max)

Detecting distance: 7m(max)

Infrared technology (LHI778 probe design)

Sentry Angle: 120?

Connector: 3Pin 2.54mm pitch

Size(LxWxH): 24 x 32 x 25(mm)

SKU: STEM18081
₹72.00 ~~₹90.00~~
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Product Categories

Battery (4)
Breadboard (3)
Casing (3)
Consumables (4)
Controller (9)
Display (2)
Do It Yourself(DIY) (5)
Electric Tools (9)
Electronic Components (10)
Electronic Module (7)
IOT (2)
Measurement Tools (8)
Mechanical Tools (20)
Memory Card (1)
Motor (11)
Passive Components (8)
Safety Equipment (4)
Semiconductor Ics (4)
Sensor (34)
Supporting Components (2)
Wheel (1)
Wire and Cables (15)
Wireless (4)

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