http://www.8051projects.net/ Learn to make simple microcontroller projects, pic, 8051, avr and arm projects. download 8051 projects, tutorials, libraries, sample codes. join the microcontroller discussion forum and ask doubts regarding electronics. the best source for 8051 over internet. Mon, 01 Dec 2008 13:11:56 -0800 http://backend.userland.com/rss092 i need to trigger a triac using a output pin of the 89c52, but the current is too low to trigger the triac, can anyone suggest a circuit to boost the <noauthor@nospam.com> http://www.8051projects.net/forum-t9885.html Hi, If you use o/p as dimmer then better to go for Opto Triac. which can drive your main Triac. Shailesh NAYAK<nayaktel@nospam.com> http://www.8051projects.net/forum-t9885.html im attaching the datasheet if the moc as well... moc3041-m.pdf Ved<vedvern@nospam.com> http://www.8051projects.net/forum-t9885.html the triac is used for power control of an immersion heater using different firing angles, im using an moc3041 to trigger the triac, it has an optoisol Ved<vedvern@nospam.com> http://www.8051projects.net/forum-t9885.html Just use a general purpose npn for sinking....sth like this.. sashijoseph<sashijoseph@nospam.com> http://www.8051projects.net/forum-t9885.html hey thanks man, it worked out just fine Ved<vedvern@nospam.com> http://www.8051projects.net/forum-t9885.html