





Its amazing what you can do with a couple of Logic gates,switches, and a buzzer. This is an easy to build buzzer music box. You can use this to make some interestingly wacky noises based on the position you set by using the 4 on-board switches. It comes with everything you need including the PCB, ICs, components, and buzzer.
Tone | Switch 1 | Switch 2 | Switch 3 | Switch 4 |
Machine gun | Off | Off | Off | Off |
Fire truck | Off | Off | Off | On |
Ambulance | Off | Off | On | Off |
Police Siren | Off | Off | On | On |
Crickets | Off | On | Off | Off |
Alarm | Off | On | Off | On |
Electronic Signal | Off | On | On | Off |
Koh | Off | On | On | On |
Insect | On | Off | Off | Off |
Whistle | On | Off | Off | On |
Telegraph | On | Off | On | Off |
Bird Chirp | On | Off | On | On |
ChongJi | On | On | Off | Off |
Car Sirens | On | On | Off | On |
Bass Instruments | On | On | On | Off |
Racing Engine | On | On | On | On |
Difficulty Level: Intermediate
Assembly Time: 20-40 minutes
Instructions: Each component is listed on the PCB for easy reference and installation. If additional help is needed, you can contact us at Support@circuitpop.com for assistance.
Instructional Video Courtesy of an amazing maker:
Recommended Tools: Multimeter, Soldering iron, spare wire.
Supply Voltage: 5 VDC