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✅ Voltage Range: DC 3V to 30V (auto-powered from input voltage)
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🔁 Display: 3-digit, 0.56” LED (Red / Blue / Green options)
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⚡ No external power supply needed
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🔄 Refresh Rate: ~300ms per reading
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🔋 Low Current Draw: Red < 23mA, Green < 18mA, Blue < 13mA
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❌ Reverse Connection Protection – prevents damage
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🔥 Ultra High Withstand Voltage: Up to 132V (max safe input)
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📏 Resolution: 0.01V (<10V) / 0.1V (>10V)
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🎯 Accuracy: ±1% ±1 digit
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🌡️ Working Temperature: -20°C to 65°C
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📐 Dimensions: 48 x 29 x 22mm
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🛠️ Panel Cutout Size: 46 x 27mm
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🔌 Input Impedance: >100kΩ
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🔌 Lead Wire Length: 20cm
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High Sensitivity Sound Microphone Sensor Detection Module For AVR PIC KY-037
- 100% brand new and high quality
- For sound detection module has two outputs:
- There is a mounting screw hole 3mm
- The use 5v DC power supply
- With analog output
- High sensitive microphone and high sensitivity.
- A power indicator light
- The comparator output is light
₨ 130 -
HTC-1 Digital Thermometer Hygrometer Electronic LCD Temperature Humidity Meter
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🔴 Jumbo Multi-Function LCD: Displays large, clear digits for temperature and humidity alongside a full-featured digital clock and alarm system.
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🟠 Intelligent Memory Tracking: Easily recall the MAX & MIN recorded measuring values for both temperature and humidity with a single touch.
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🟡 Dual-Unit Versatility: Instantly switch between °C and °F units to suit your measurement preference.
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🟢 Comprehensive Time Management: Includes a Calendar function (month and date) and an everyday alarm to keep you on schedule.
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🔵 High-Precision Sensors: Engineered for high stability and accuracy across wide temperature and humidity ranges.
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🟣 Ultra-Low Power Consumption: Operates efficiently on a single 1.5V AAA battery, ensuring long-lasting performance without frequent changes.
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🟤 Flexible Mounting Options: Designed with a built-in bracket for desk-top placing and a rear slot for easy wall hanging.
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⚪ Portable & Lightweight: Weighing only 97g, its compact and simple design makes it easy to move or carry between different rooms.
₨ 625 -
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HTC-2 LCD Digital Electronic Thermometer Hygrometer Measuring Temperature Humidity Meter Alarm Clock Weather Station
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🔴 Dual-Zone Temperature Monitoring: Simultaneously displays Indoor and Outdoor temperature readings on one screen.
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🟠 Integrated Indoor Hygrometer: Provides real-time tracking of indoor humidity levels from 10% to 99% RH.
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🟡 Extended 1.5m Sensor Probe: Includes a specialized 1.5-meter cable for precise outdoor or remote temperature sensing.
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🟢 Smart Extremes Memory: Instantly recall the MAX and MIN recorded measuring values to track environmental changes over time.
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🔵 Customizable Units & Time: Easily toggle between °C and °F units and choose between 12-hour or 24-hour time display systems.
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🟣 Daily Alarm & Calendar: Stay organized with a built-in everyday alarm and a full Date & Calendar display.
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🟤 Ultra-Low Power Design: Optimized for high stability and accuracy while running on just a single 1.5V AAA battery.
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⚪ Dual Mounting Options: Features a versatile design suitable for stable Desk-top placing or secure Wall Hanging.
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💗 High-Stability Performance: Engineered for consistent accuracy with a humidity precision of +/-10% RH.
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🔘 Sleek, Compact Build: A modern white device that fits anywhere, measuring just 10.5 x 9.8 x 2.4 cm.
₨ 790 -
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IR Infrared Obstacle Avoidance Sensor Module | Adjustable Sensitivity | 3-Pin Interface
- 📡 Infrared Obstacle Detection: Uses IR transmitter and receiver to detect objects
- 🔧 Adjustable Sensitivity: Built-in potentiometer for tuning detection range
- 🔌 Easy Connection: 3-pin interface (VCC, GND, OUT) for quick integration
- ⚙️ Voltage: 3.3V – 5V DC
- 📏 Range: Approx. 2cm to 30cm (adjustable)
- 💡 Indicator LEDs: Power and obstacle detection indicators onboard
- 🧠 Compatible With: Arduino, Raspberry Pi, Robotics kits
- 🛠️ Compact Design: Lightweight and easy to mount
₨ 130 -
IR Infrared Remote Control Kit ON OFF Switch Circuit
- Name:IR Remote Control ON OFF Switch Circuit
- Chip Set: CD4017
- Opeartions: can switch any home apliances like fan, Bulb, TV washing machine etc
- Switch Mode: Two Stwiches
- Led Indication: Switch 1, Switch 2
- Power Supply Voltage: DC 12V
- Opreatin Range: above 5m
- Switch LOad: 5V to 250v MAX 10A
- Sensor Type: IR infrared
- Opreating Remote: Any IR remote (TV, MP3 remote)
- Size:5.5cm x 4.5cm x 1.8cm
₨ 220 -
LDR Sensor Module – Light Detection Sensor for Arduino, ESP, and Raspberry Pi (3.3V–5V)
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Working Voltage: 3.3V to 5V
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Light Detection using LDR
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Digital Output (DO) Signal
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Adjustable Sensitivity via Potentiometer
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Onboard LM393 Comparator
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Power and Status Indicator LEDs
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Compatible with Arduino, ESP, Raspberry Pi
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Compact and Easy to Use
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Great for DIY, Robotics, and Home Automation Projects
₨ 125 -
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LiitoKala Engineer Lii-500: The Ultimate Smart Battery Master
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🌈 Universal Compatibility: Supports a massive range of Li-ion, Ni-MH, and Ni-Cd battery sizes.
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⚡ Independent Control: Manage four separate slots with different settings at the same time.
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📊 Smart LCD Display: High-visibility screen shows voltage, current, time, and capacity.
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🔍 Advanced Test Mode: Accurately measures the actual capacity of your batteries.
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🛠️ Adjustable Current: Choose between multiple charging speeds to protect battery health.
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🔥 Heat Protection: Built-in sensors prevent overheating during high-speed cycles.
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🔋 USB Output: Functions as a portable power bank to charge your phone on the go.
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🛡️ Safety First: Features short-circuit, overcharge, and reverse polarity protection.
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🔄 Fast Test Mode: Quickly discharges and recharges to refresh your battery cells.
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💎 Durable Build: Robust engineering by LiitoKala for long-lasting laboratory-grade use.
₨ 4,800 -
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Mini DC Digital LED Voltmeter – 3V-30V Range with Bright Display
₨ 280 -
Mini Digital LCD Thermometer with Sensor Probe
🔹 ✅ Wide Temperature Range: Measures from -50°C to +110°C — ideal for various environments.
🔹 📊 High Precision: Accurate readings with ±1°C accuracy and 0.1°C resolution.
🔹 🧲 Easy to Mount: Compact size (47×28×14mm) fits easily into cabinets, tanks, and panels.
🔹 🔋 Battery Powered: Operates on 2×LR44 button batteries (included).
🔹 🧵 1m Long Probe: Durable stainless steel sensor probe ensures flexible placement.
🔹 💧 Moisture-Resistant Design: Ideal for refrigerators, aquariums, or outdoor setups.
🔹 ⚡ Strong Anti-Interference: Provides stable and consistent temperature readings.
🔹 🖥️ Clear LCD Display: Large, easy-to-read digits for quick viewing.
🔹 🎯 Lightweight Build: Weighs only 22g, portable and easy to install.
🔹 📦 Complete Package: Includes thermometer, probe, and two batteries—ready to use!₨ 285 -
Mini Digital Thermometer & Hygrometer 📟 | LCD Temperature & Humidity Meter | Indoor Monitor
📟 Clear LCD Display – Easy-to-read temperature & humidity
🌡️ Wide Temperature Range – From -50°C to +70°C
💧 Accurate Humidity Detection – 10% to 99% RH
🎯 High Accuracy – ±1°C temperature, ±5% humidity
⚡ Fast Sampling – Updates every 10 seconds
📏 Compact & Portable – Fits anywhere بسهولة
🔋 Battery Powered – Uses 2 AG13 button cells
🛠️ Durable ABS Build – Lightweight and long-lasting
💼 Multi-Purpose Use – Home, office, greenhouse & more
✨ Sleek Mini Design – Modern and space-saving₨ 340 -
Mini Digital Thermometer Hygrometer with LCD Display | Indoor Temperature & Humidity Meter
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📟 Digital LCD Screen: Clearly displays humidity and temperature simultaneously.
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🔋 2x LR44 Batteries Included: Pre-installed batteries – ready to use out of the box.
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📏 Compact Size: Dimensions – 48mm x 28.6mm x 15.2mm (1.89in x 1.13in x 0.6in).
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🌡️ Temperature Range: Typically -50°C to 70°C (approximate).
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💧 Humidity Range: Typically 10% to 99% RH (approximate).
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⚙️ Lightweight & Easy to Install: Easily fits in various indoor environments.
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📦 Applications: Ideal for incubators, reptile tanks, storage areas, greenhouses, and more.
₨ 280 -
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Pair 5mm 940nm LEDs Infrared Emitter and IR Receiver Diode Diodes
- Lens Size: 5mm Diameter
- Lens: Clear Lens / Black Lens
- Emitting Color: IR Emitter 940nm/ IR Receiver 940nm
- Luminous Intensity: Invisible Light
- Emitting Angle: 30 Degree (IR Receiver) | 45 (IR Emitter)
- Forward Voltage: 1.4-1.6V (850NM IR Emitter) |1.2-1.5V (940NM IR Emitter)
- Current:20mA
- Polarity: Anode (Longer Part) | Cathode (Shorter Part)
₨ 20