Uses for piezo transducers from old smoke alarms
Автор: Amateur Radio VK3YE
Загружено: 2018-01-24
Просмотров: 45467
Описание:
Old smoke alarms often have piezo transducers in them. Here's some uses for them in electronic projects.
Contents
0:00 Introduction
1:13 Test with audio amplifier
1:48 Test with LED connected
2:31 Use as a speaker - how good?
4:07 Use as a selective speaker for CW
4:43 Use with a crystal set
5:11 Audio oscillator
6:05 Summary
PS: If you liked this video please consider supporting Amateur Radio VK3YE by:
Subscribing on YouTube
Checking my books page at https://books.vk3ye.com
Shopping on Amazon via: https://amzn.to/3iiDQXv , or
Shopping on eBay via: https://ebay.us/i9DuWP
(then if you buy something I'll get a small commission at no cost to you)
Повторяем попытку...
Доступные форматы для скачивания:
Скачать видео
-
Информация по загрузке:
![[93] Ionizing Smoke Detector Teardown](https://image.4k-video.ru/id-video/X1U7E8DzN74)
