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led to ac or dc connection 27 Aug 2013 | 12:16 pm
I have got a LED with wire connected to both terminals. There is no label on it. How do I know whether this LED could be used in AC or DC power.? Can I try this LED connecting with 240 AC volt with re...
Help in Arduino Codes 27 Aug 2013 | 12:14 pm
hi sir/ma'am how to convert a char to a string? i got this error. sketch_aug27a:90: error: invalid conversion from 'char' to 'const char*' sketch_aug27a:90: error: initializing argument 1 of 'Strin...
confused Resistor in paralled 27 Aug 2013 | 11:54 am
Dear all, When a resistor is connected in parallel, for me it looks that one end/leg of resistor is connected to positive line and other end/leg of resistor is connected to negative line. which for m...
Look for battery 27 Aug 2013 | 11:28 am
I am sorry that I am obsessed with cellphone games, so I eat batteries like mad. Any suggestions for external batteries?:D
Analog Discovery vs myDAQ 27 Aug 2013 | 10:55 am
Hi everyone, I am learning this course: https://www.coursera.org/course/circuits And there is a choice between Analog Discovery and myDAQ for using in labs, and I plan to use them in the future as ...
2 digit meter with double lm3914 27 Aug 2013 | 09:03 am
I am going to be setting up a variable speed pump. The speed of the pump will be controlled with a 0-5v output on a temperature controller. I want to set up a meter using 2 LM3914, 2 74LS147, and 2 45...
linear actuator circuit design 27 Aug 2013 | 08:25 am
Hello all, Let me first start off saying I am a half newbie with electronic projects so please pardon if i don't use the correct vocabulary. I have a project in mind that will require a circuit, but...
Disassembling a Siemens MultiRanger 100 single point level monitor/controller 27 Aug 2013 | 08:18 am
Evening gents, I recently got my hands on an old Siemens MultiRanger 100 single level monitor/controller, and I decided to take it apart to see whats inside. The photos of the disassembled unit can ...
regulated AC current 27 Aug 2013 | 06:29 am
Hi, I’m looking for AC power supply with regulated current. I need to control current within 10+-5A range. The load is electrochemical cell with resistance of 1.25+-0.6 ohm. I hoped to find off-the sh...
Earthing Standard 27 Aug 2013 | 05:44 am
What are STEC 7 and ANSI earthing standards??
