AKB Express

AKB Express 🔧 Empowering Future Engineers! We provide practical support for university electronics projects.

From project making & BMS to embedded systems, we help turn complex concepts into real-world solutions for your lab projects and assignments.

INBOX FOR YOUR ORDER đŸ”ĨđŸ”ĨđŸ”Ĩ✨✨.
16/07/2026

INBOX FOR YOUR ORDER đŸ”ĨđŸ”ĨđŸ”Ĩ✨✨.

31/05/2026

An inside look at a custom DIY audio VU meter built on a breadboard using the classic LM3915 dot/bar display driver IC. Watch the LED array react dynamically with vibrant blue, red, and yellow lights responding to the audio signal. This circuit uses a logarithmic scale to perfectly visualize audio volume levels, featuring a potentiometer for manual sensitivity adjustment and neat jumper wire routing. A classic, satisfying electronics project for anyone into audio gear, amplifiers, and analog circuit design!

​Key Components:

​LM3915 Logarithmic Display Driver

​10-Segment LED Bar Array (Blue, Red, Yellow LEDs)

​Sensitivity Tuning Potentiometer

​Breadboard setup with jumper wire mapping
​

29/05/2026

Here we made a smart dustbin that can sort between wet and dry waste.

28/05/2026

27/05/2026

🌙 āĻ¤ā§āϝāĻžāϗ⧇āϰ āφāĻ˛ā§‹ā§Ÿ āĻ­āĻžāϏ⧁āĻ• āĻĒāĻŦāĻŋāĻ¤ā§āϰ āψāĻĻ⧁āϞ āφāϜāĻšāĻž đŸ•Šī¸
"AKB EXPRESS"-āĻāϰ āĻĒāĻ•ā§āώ āĻĨ⧇āϕ⧇ āφāĻĒāύāĻžāϕ⧇ āĻ“ āφāĻĒāύāĻžāϰ āĻĒāϰāĻŋāĻŦāĻžāϰāϕ⧇ āϜāĻžāύāĻžāχ āĻĒāĻŦāĻŋāĻ¤ā§āϰ āψāĻĻ⧁āϞ āφāϜāĻšāĻžāϰ āφāĻ¨ā§āϤāϰāĻŋāĻ• āĻļ⧁āϭ⧇āĻšā§āĻ›āĻžāĨ¤ āψāĻĻ āĻŽā§‹āĻŦāĻžāϰāĻ•! ✨
āϕ⧋āϰāĻŦāĻžāύāĻŋ āĻļ⧁āϧ⧁ āφāύ⧁āĻˇā§āĻ āĻžāύāĻŋāĻ•āϤāĻž āύ⧟, āĻāϟāĻŋ āύāĻŋāĻœā§‡āϰ āϭ⧇āϤāϰ⧇āϰ āĻ…āĻšāĻ‚āĻ•āĻžāϰ āĻ“ āĻĒāĻļ⧁āĻŦ⧃āĻ¤ā§āϤāĻŋāϕ⧇ āĻŦāĻŋāϏāĻ°ā§āϜāύ āĻĻāĻŋā§Ÿā§‡ āĻŽāύ⧇āϰ āĻļ⧁āĻĻā§āϧāϤāĻž āĻ…āĻ°ā§āϜāύ⧇āϰ āĻāĻ• āĻĒāϰāĻŽ āĻļāĻŋāĻ•ā§āώāĻžāĨ¤ āĻāχ āψāĻĻ⧇āϰ āĻ¤ā§āϝāĻžāϗ⧇āϰ āĻŽāĻšāĻŋāĻŽāĻž āĻāĻŦāĻ‚ āϏāĻšāĻŽāĻ°ā§āĻŽāĻŋāϤāĻžāϰ āφāĻ˛ā§‹ā§Ÿ āĻ­āϰ⧇ āωāϠ⧁āĻ• āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻšā§ƒāĻĻ⧟āĨ¤
āϰāĻ•ā§āϤ āĻŦāĻž āĻŽāĻžāĻ‚āϏ āύ⧟, āϏ⧃āĻˇā§āϟāĻŋāĻ•āĻ°ā§āϤāĻžāϰ āĻĻāϰāĻŦāĻžāϰ⧇ āĻĒ⧌āρāĻ›āĻžā§Ÿ āϕ⧇āĻŦāϞ āφāĻŽāĻžāĻĻ⧇āϰ āĻ…āĻ¨ā§āϤāϰ⧇āϰ āĻĒāĻŦāĻŋāĻ¤ā§āϰ āύāĻŋ⧟āϤāĨ¤ āĻ¤ā§āϝāĻžāϗ⧇āϰ āφāύāĻ¨ā§āĻĻ āĻ›ā§œāĻŋā§Ÿā§‡ āĻĒ⧜⧁āĻ• āϏāĻŦāĻžāϰ āĻŽāĻžāĻā§‡, āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻœā§€āĻŦāύ āĻšā§‹āĻ• āϏ⧁āĻ¨ā§āĻĻāϰ āĻ“ āĻļāĻžāĻ¨ā§āϤāĻŋāĻŽā§ŸāĨ¤
🌸 āψāĻĻ āĻŽā§‹āĻŦāĻžāϰāĻ•! 🌸
— AKB EXPRESS

🌙 āĻ¤ā§āϝāĻžāϗ⧇āϰ āφāĻ˛ā§‹ā§Ÿ āĻ­āĻžāϏ⧁āĻ• āĻĒāĻŦāĻŋāĻ¤ā§āϰ āψāĻĻ⧁āϞ āφāϜāĻšāĻž đŸ•Šī¸"AKB EXPRESS"-āĻāϰ āĻĒāĻ•ā§āώ āĻĨ⧇āϕ⧇ āφāĻĒāύāĻžāϕ⧇ āĻ“ āφāĻĒāύāĻžāϰ āĻĒāϰāĻŋāĻŦāĻžāϰāϕ⧇ āϜāĻžāύāĻžāχ āĻĒāĻŦāĻŋāĻ¤ā§āϰ āψāĻĻ⧁āϞ āφāϜāĻšāĻžāϰ āφāĻ¨ā§āϤāϰ...
27/05/2026

🌙 āĻ¤ā§āϝāĻžāϗ⧇āϰ āφāĻ˛ā§‹ā§Ÿ āĻ­āĻžāϏ⧁āĻ• āĻĒāĻŦāĻŋāĻ¤ā§āϰ āψāĻĻ⧁āϞ āφāϜāĻšāĻž đŸ•Šī¸
"AKB EXPRESS"-āĻāϰ āĻĒāĻ•ā§āώ āĻĨ⧇āϕ⧇ āφāĻĒāύāĻžāϕ⧇ āĻ“ āφāĻĒāύāĻžāϰ āĻĒāϰāĻŋāĻŦāĻžāϰāϕ⧇ āϜāĻžāύāĻžāχ āĻĒāĻŦāĻŋāĻ¤ā§āϰ āψāĻĻ⧁āϞ āφāϜāĻšāĻžāϰ āφāĻ¨ā§āϤāϰāĻŋāĻ• āĻļ⧁āϭ⧇āĻšā§āĻ›āĻžāĨ¤ āψāĻĻ āĻŽā§‹āĻŦāĻžāϰāĻ•! ✨
āϕ⧋āϰāĻŦāĻžāύāĻŋ āĻļ⧁āϧ⧁ āφāύ⧁āĻˇā§āĻ āĻžāύāĻŋāĻ•āϤāĻž āύ⧟, āĻāϟāĻŋ āύāĻŋāĻœā§‡āϰ āϭ⧇āϤāϰ⧇āϰ āĻ…āĻšāĻ‚āĻ•āĻžāϰ āĻ“ āĻĒāĻļ⧁āĻŦ⧃āĻ¤ā§āϤāĻŋāϕ⧇ āĻŦāĻŋāϏāĻ°ā§āϜāύ āĻĻāĻŋā§Ÿā§‡ āĻŽāύ⧇āϰ āĻļ⧁āĻĻā§āϧāϤāĻž āĻ…āĻ°ā§āϜāύ⧇āϰ āĻāĻ• āĻĒāϰāĻŽ āĻļāĻŋāĻ•ā§āώāĻžāĨ¤ āĻāχ āψāĻĻ⧇āϰ āĻ¤ā§āϝāĻžāϗ⧇āϰ āĻŽāĻšāĻŋāĻŽāĻž āĻāĻŦāĻ‚ āϏāĻšāĻŽāĻ°ā§āĻŽāĻŋāϤāĻžāϰ āφāĻ˛ā§‹ā§Ÿ āĻ­āϰ⧇ āωāϠ⧁āĻ• āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻšā§ƒāĻĻ⧟āĨ¤
āϰāĻ•ā§āϤ āĻŦāĻž āĻŽāĻžāĻ‚āϏ āύ⧟, āϏ⧃āĻˇā§āϟāĻŋāĻ•āĻ°ā§āϤāĻžāϰ āĻĻāϰāĻŦāĻžāϰ⧇ āĻĒ⧌āρāĻ›āĻžā§Ÿ āϕ⧇āĻŦāϞ āφāĻŽāĻžāĻĻ⧇āϰ āĻ…āĻ¨ā§āϤāϰ⧇āϰ āĻĒāĻŦāĻŋāĻ¤ā§āϰ āύāĻŋ⧟āϤāĨ¤ āĻ¤ā§āϝāĻžāϗ⧇āϰ āφāύāĻ¨ā§āĻĻ āĻ›ā§œāĻŋā§Ÿā§‡ āĻĒ⧜⧁āĻ• āϏāĻŦāĻžāϰ āĻŽāĻžāĻā§‡, āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻœā§€āĻŦāύ āĻšā§‹āĻ• āϏ⧁āĻ¨ā§āĻĻāϰ āĻ“ āĻļāĻžāĻ¨ā§āϤāĻŋāĻŽā§ŸāĨ¤
🌸 āψāĻĻ āĻŽā§‹āĻŦāĻžāϰāĻ•! 🌸
— AKB EXPRESS 🤝

27/05/2026

A high-energy showcase of a DIY Line Follower Robot flawlessly navigating a complex grid track. Watch as the custom-built bot uses its infrared (IR) sensors to track the sharp turns, smooth curves, and sudden grid loops taped onto the floor. Built with an Arduino board, a motor driver, and a sleek green chassis, this project highlights precision engineering and smooth PID tuning in action. Perfect for robotics enthusiasts, engineering students, and tech hobbyists!

​Key Features:

​Custom 3D-printed/acrylic chassis (Green front bumper)

​Dual-motor differential drive

​Multiple IR sensor array for high-speed line tracking

​Flashing LED indicators for real-time rebuffing
​ ​ ​ ​ ​

26/05/2026

25/05/2026

Diy video of making a high voltage generator đŸ”Ĩ

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Daffodil International University, Daffodil Smart City, Birulia 1216
Savar

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