Description
Your Best LDR Sensor Module Price in Bangladesh
Looking for the best ldr sensor module price in Bangladesh? Your search ends here! The LDR Light Sensor Module, featuring the reliable LM393 comparator, is the perfect, low-cost solution for all your light-sensing projects. Whether you are working with an Arduino, ESP8266, or any other microcontroller, this versatile module provides accurate light detection with both digital and analog outputs. আপনার অটোমেটিক স্ট্রিট লাইট, ডে-নাইট সুইচ, বা রোবটিক্স প্রজেক্টের জন্য এটি একটি আদর্শ কম্পোনেন্ট।
Features & Benefits
- Dual Output Mode: Provides both Analog (AO) and Digital (DO) outputs, offering flexibility for various project requirements.
- High Sensitivity: Uses a high-quality photoresistor to detect even subtle changes in ambient light.
- Adjustable Threshold: Features an onboard potentiometer to easily adjust the light intensity threshold. আপনার প্রজেক্টের জন্য নিখুঁত সেটিং করে নিন।
- Stable Performance: Built with the LM393 wide voltage comparator for clean, stable digital signals.
- Easy Integration: With a 3-pin interface (VCC, GND, DO/AO) and mounting holes, connecting it to your Arduino or ESP8266 is simple and secure.
- Visual Indicator: Includes power and digital output indicator LEDs for easy debugging.
🔥 Technical Specifications
| Main Chip | LM393 Comparator, Photoresistor |
| Operating Voltage | 3.3V to 5V DC |
| Output Type | Digital (DO – 0/1) & Analog (AO) |
| PCB Dimensions | Approx. 3.2cm x 1.4cm |
| Mounting Hole | Yes, fixed bolt hole for easy installation |
🎯 Applications of LDR Sensor Module
This digital LDR module is incredibly versatile. Here are just a few ideas:
- Automatic Street Light Control
- Daylight and Darkness Detection Switch
- Light-activated Alarms and Security Systems
- Brightness control for indoor lighting
- Line Following Robots (detecting black/white lines)
- Automatic Curtain Control
✅ Get Your LDR Module Today!
Why wait? Get the most competitive ldr sensor module price in Bangladesh exclusively at HTE. This module is a must-have for students, hobbyists, and professionals alike. HTE Bangladesh থেকে এখনই অর্ডার করুন এবং দ্রুত ডেলিভারি পান!
❓ Frequently Asked Questions (FAQ)
Q1: What is the output of this LDR sensor module?
Ans: This module has two outputs. The Digital Output (DO) gives a HIGH or LOW signal based on the threshold set by the potentiometer. The Analog Output (AO) gives a variable voltage that corresponds to the light intensity.
Q2: How do I connect this LDR module with Arduino?
Ans: Connecting is simple! Connect VCC to 5V on the Arduino, GND to GND, and the DO pin to any digital input pin on your Arduino. For analog readings, connect the AO pin to an analog input pin (e.g., A0).
Q3: Can I use this LDR sensor with an ESP8266 or NodeMCU?
Ans: Yes, absolutely! Since this LDR module works on 3.3V, it is perfectly compatible with the ESP8266 and NodeMCU. Connect its VCC to 3.3V on the ESP8266.





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