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piezo-buzzer

Projects with this topic

View InCode project

archadious / kits / InCode

A USB‑C powered, hand‑solder Morse code learning tool — taps on the capacitive touch pad like a telegraph key; an ATtiny85 decodes the dots and dashes, sounds them on the buzzer, and shows the message on a 5x7 LED matrix via the MAX7219.

kicad pcb-design open-hardware electronics diy-electronics hobby-electr... attiny85 avr microcontroller max7219 led-matrix capacitive-t... piezo-buzzer usb-c through-hole morse-code telegraph learning-tool educational led desk-toy electronic-kit solder-kit

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Updated Sep 11, 2026

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Updated Sep 11, 2026
View BlastOff project

archadious / kits / BlastOff

USB‑C, hand‑solder countdown toy — an ATtiny84 drives a single 7‑segment digit and a piezo buzzer through a rocket‑launch countdown.

kicad pcb-design open-hardware electronics diy-electronics hobby-electr... avr microcontroller piezo-buzzer usb-c through-hole led desk-toy electronic-kit solder-kit attiny84 seven-segmen... countdown-timer rocket

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Updated Sep 11, 2026

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Updated Sep 11, 2026