亚博竞彩APP

Electronic circuits that use the 555 Timer

555 Timer Circuits

555 Timers are fun and a great way to start learning electronics

DRIVING A BI-COLOUR LED Circuit

Some 3-leaded LEDs produce red and green. This circuit alternately flashes a red/green bi-coloured LED:



Comment on this circuit or view the Electronic Circuits Community Forum.

乐优彩票天天红单下载 乐优彩票网址是多少 乐优彩票登入,备用,官方网址 乐优炫彩app下载 乐优炫彩app天天红单 乐优炫彩官网 乐博28app下载 乐八彩票 乐优炫彩彩票app下载 乐优炫彩app