Tronic.lk
Rs 650
Updated 01 Nov 2026
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The DIY Piano Module is a compact, beginner-friendly electronic sound generator designed to bring music and electronics together. Powered by the popular NE555 timer IC in astable mode, this module produces distinct musical tones by switching between resistor-capacitor (RC) networks linked to piano-style keys. Each key corresponds to a unique frequency, allowing users to play notes ranging from “Sa, Ri, Ga, Ma, Pa, Da, Ni, Sa (higher octave).”
With its simple hardware design, no programming requirements, and easy-to-assemble layout, the Piano Module is perfect for classrooms, hobby projects, and DIY musical experiments. Whether you’re teaching oscillators, building a fun electronic toy, or exploring sound generation, this module offers an engaging hands-on experience.
Key Features:
Specifications:
| Parameter | Details |
| Power supply | 5V DC |
| IC | NE555 |
| Output | Square wave audio signal via buzzer |
| Notes generated | 8 (Sa, Ri, Ga, Ma, Pa, Da, Ni, Sa – higher octave) |
| Frequency range | 261 Hz – 541 Hz |
| Dimensions | 17.2cm x 2.5cm |
User Guide: Click Here
If you have any issues, please contact the manufacturer directly at [email protected].
The current price of Optimus Piano DIY Kit in Sri Lanka is Rs 650 at Tronic.lk.
Yes, Optimus Piano DIY Kit is currently in stock at Tronic.lk in Sri Lanka.
You can buy Optimus Piano DIY Kit in Sri Lanka at Tronic.lk. Visit 37left.lk to compare prices across multiple shops and find the best deal.

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