I got all the resistors and small capacitors in and ready to solder and then I remembered what one U-Tuber said "test test and retest at any point that will provide useful results it is much easier to test early than to troubleshoot once it is built" so I pulled all the components out and tested them so now I can restart my build.

I got all the resistors and small capacitors in and ready to solder and then I remembered what one U-Tuber said "test test and retest at any point that will provide useful results it is much easier to test early than to troubleshoot once it is built" so I pulled all the components out and tested them so now I can restart my build.

I got all the resistors and small capacitors in and ready to solder and then I remembered what one U-Tuber said "test test and retest at any point that will provide useful results it is much easier to test early than to troubleshoot once it is built" so I pulled all the components out and tested them so now I can restart my build.

I bought 3 pre-order kits. They now cost less. I was thinking of using them to feed small projects to replace batteries. I think it can be fed with voltages below 24 Vac. I did a little test. Without load: Vac = 19,6 Volt --- Vcc out = 21,2 Volt With load (8 ohm and Vcc = 8 Volt then 1 A) Vac = 18,86 Volt --- Vcc (without load) = 8,04 Volt --- Vcc (with load) = 7,98 Volt. Note: The maximum current before the protection is: 8.72Volt / 8ohm = 1.09 Amper. I also tried with a lower power supply. Without load: Vac = 16,4 Volt --- Vcc out = 17,1 Volt With load (8 ohm and Vcc = 4 Volt then 0.5 A) --- Vcc (without load) = 4,02 Volt Vcc (with load) = 3,99 Volt. Considerations: I could not measure the ripple with my toy oscilloscope. The output voltage setting is rough. A multigiro or 2 in series potentiometer is preferable for a more accurate adjustment.

I bought 3 pre-order kits. They now cost less. I was thinking of using them to feed small projects to replace batteries. I think it can be fed with voltages below 24 Vac. I did a little test. Without load: Vac = 19,6 Volt --- Vcc out = 21,2 Volt With load (8 ohm and Vcc = 8 Volt then 1 A) Vac = 18,86 Volt --- Vcc (without load) = 8,04 Volt --- Vcc (with load) = 7,98 Volt. Note: The maximum current before the protection is: 8.72Volt / 8ohm = 1.09 Amper. I also tried with a lower power supply. Without load: Vac = 16,4 Volt --- Vcc out = 17,1 Volt With load (8 ohm and Vcc = 4 Volt then 0.5 A) --- Vcc (without load) = 4,02 Volt Vcc (with load) = 3,99 Volt. Considerations: I could not measure the ripple with my toy oscilloscope. The output voltage setting is rough. A multigiro or 2 in series potentiometer is preferable for a more accurate adjustment.

I bought 3 pre-order kits. They now cost less. I was thinking of using them to feed small projects to replace batteries. I think it can be fed with voltages below 24 Vac. I did a little test. Without load: Vac = 19,6 Volt --- Vcc out = 21,2 Volt With load (8 ohm and Vcc = 8 Volt then 1 A) Vac = 18,86 Volt --- Vcc (without load) = 8,04 Volt --- Vcc (with load) = 7,98 Volt. Note: The maximum current before the protection is: 8.72Volt / 8ohm = 1.09 Amper. I also tried with a lower power supply. Without load: Vac = 16,4 Volt --- Vcc out = 17,1 Volt With load (8 ohm and Vcc = 4 Volt then 0.5 A) --- Vcc (without load) = 4,02 Volt Vcc (with load) = 3,99 Volt. Considerations: I could not measure the ripple with my toy oscilloscope. The output voltage setting is rough. A multigiro or 2 in series potentiometer is preferable for a more accurate adjustment.