Nguyên văn bởi Thanhvu93
Xem bài viết
http://www.brighthubengineering.com/...home-projects/
Hoặc dùng OP AMP, TL431
_http://w...gorum.ca/lvdisc.html)(_http://w...brighthubengineering.com/consumer-appliances-electronics/68396-over-voltage-and-low-voltage-protection-circuits-easy-home-projects/)
Comment