Posted inDIY
Homemade DC Soldering iron driver
There are a nice type of soldering iron in the market. It's a DC one. The iron rated at 12V/8W works fine in 9~15V range and gives adjusted temperature. There…
Yet another regulated power supply board
This is just a basic demo board of 78XX IC and LM317. LM 7805 and LM7812 are used here as 5V and 12V regulators. The supply for this board is…