Electro Guruji
Published © CC BY-NC-SA

DIY Musical Bell | UM66 Melody Generator

A UM66T generates various Melody Tunes when triggered which can be used in car/scooter reverse signals, doorbells, and toys.

EasyFull instructions provided10
DIY Musical Bell | UM66 Melody Generator

Things used in this project

Hardware components

Texas Instruments IC UM66T
×1
Adafruit 100Ω Resistor
×1
Adafruit 220Ω Resistor
×1
Adafruit 4.7KΩ Resistor
×1
Adafruit BC547 Transistor
×1
Adafruit SPDT Slide Switch
×1
SparkFun 5mm LED
×1
SparkFun 100uF Capacitor
×1
SparkFun 0.1uF Capacitor
×1
SparkFun Speaker
×1
SparkFun 5V DC Adapter
×1
Seeed PCB
×1

Hand tools and fabrication machines

Soldering Iron
Soldering Wire
Mini PCB Hand Drill + Bits
Wire Cutter
Wire Stripper
Soldering Helping Hands

Story

Read more

Schematics

UM66 Musical Bell Circuit Schematic

Code

UM66 Musical Bell PCB Board

Credits

Electro Guruji

Electro Guruji

3 projects • 1 follower
DIY Electronics, Arduino, Robotics Projects

Comments

Add projectSign up / Login