I purchased from China small cd4017 rotating sound driven LED kit for my grandson.
Unfortunately I cannot get it to work I suspect it is the speaker as I have tested and or substituted
all of the other components and they seem fine. I can get it flashing by moving the positive and or negative...
I have come hat in hand to try and get your opinions on what is the easiest and quickest to learn a Circuit Designer software.
Ideally I want a Free and open source product that would allow the importing of circuits and components into the application when the component can not be found in the...
It has been a long time since I posted this to this forum.
If you need help because I misunderstand what you want to do let me know!
If I remember correctly I needed to connect the positive and negative leads together, then I turned the voltage knob up a bit then I adjusted the Amperage Knob...
Thank you for the reply.
Regarding the Blue LED's that I installed it was simply a test to try and find out why the LED driver was showing the 17 - 19 volts DC instead of the 9-12 Volts
advertised. This driver or rather drivers will be used to power 1- 10 Watt 12 Volt SMD chip and the consern...
Greetings All;
I ordered from E-Bay 10- 10 Watt SMD LED's, I then ordered a couple of 10 Watt drivers for these lights.
The spec's are as follows:
10W Driver
Driving power: 10w
model: 3 series 3 in parallel
Input Voltage: 85V~265V
Output Voltage: 9-12V
Current:900mA
Efficiency > 88%...
I figured it out now, it just took a lot more effort but finally got it working.
The Amperage setting is not spot on but is close when applying extra voltage to the motor etc.
Greetings All;
I recently squired a DC Lab power supply and seem to have an issue in setting up the current limitation on the unit.
The unit is SKY TOP Power STP3005 30V 5A power supply, I have listed a link to it below...