Good day,I have read an article about temperature controlled LEDs. I would like to make one according its circuit diagram.Look at the diagram,it’s nothing but two LEDs (D1 and D2), whose status are controlled by the temperature of the surroundings.…

Hello,thanks for reading my post first.I made a power supply which can produce -12V according to the data-sheet of LM2576-12. The outputted voltage is 24V and the 0.5A re-settable fuse has been used. Occasionally I found a circuit board which exists…