DBD BLOG
Latest Post
- Amateur Radio Service Exam 2018 Form Preparation January 13, 2025
- Amateur Radio October 14, 2024
- UTL Gamma Plus 1000/12 Solar Inverter with MPPT Charge Controller February 14, 2023
- কি ধরনের ইন্টারনেট সংযোগ নিবেন । February 10, 2020
- Solar IPS / UPS January 10, 2020
Amateur Radio
What is Amateur Radio Amateur radio, also known as ham radio, is a popular hobby and service that brings people, electronics, and communication together. People use ham radio to talk across...
কি ধরনের ইন্টারনেট সংযোগ নিবেন ।
কি ধরনের ইন্টারনেট সংযোগ নিবেন । সংযোগ নেবার আগে জেনে নিন কিছু দরকারি বিষয় ।* আপনার আইএসপি এর সেবা কেমন ?* মাসিক চার্জ প্রতিযোগিতামূলক আছে কিনা ?* সরাসরি ফাইবার এর...
Solar IPS / UPS
It is Integrated with in-built 35Amp PWM Based Smart Solar Management Unit.Price : 10,000/-Tk ( One Year Warranty)
Key features
Micro-Controller DSPIC Based Intelligent Control Design. Dual Charging,Mains Mode and Solar Mode.(Solar...
Multi Function Timer
1. Operating voltage: 6--30V 2. Trigger Signal Source: High Level Trigger (3.0 V-24 V), signal ground and system ground are not common, which can increase anti-interference abilitsystem (short circuit can also...
PIR Vs Microwave Motion Sensor
This Video shows the difference between the Microwave & PIR sensor. Microwave motion sensor is more sensitive then PIR sensor & its effective distance is more then PIR sensor. https://youtu.be/p-8yg4XowN0
Fanvil X3S IP Phone Setup
Fanvil's new X3S series entry-level IP phones to a level never achieved before. Making full-use of high-quality materials, plus an extra-large 320x240 2.4 inch (X3G: 2.8 inch) color LCD, it...