rahulan999
New Member
Hi,
Today I have started building this joule-thief LED torch , but got stuck on the toroid section. I dont know how to wind it. The secondary should be on on top of the primary or both are wound on opposite sides? I got a core from an old SMPS.
http://www.geocities.com/lemagicien_2000/elecpage/ledtorch/ledtorch.html
How rf is generated on a toroid? What is the difference between a toroid and a normal inductor?
Today I have started building this joule-thief LED torch , but got stuck on the toroid section. I dont know how to wind it. The secondary should be on on top of the primary or both are wound on opposite sides? I got a core from an old SMPS.
http://www.geocities.com/lemagicien_2000/elecpage/ledtorch/ledtorch.html
How rf is generated on a toroid? What is the difference between a toroid and a normal inductor?