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Russell McMahon earned this badge 50 times
may 14 at 16:17adding mAh when wiring battery cells in series?
apr 26 at 17:33Does anybody know what this electronic component is?
apr 4 at 16:47How to drive a MOSFET with an optocoupler?
mar 4 at 1:47What do I need for a basic RF circuit?
feb 1 at 19:23Ceramic capacitors: how to read 2-digit markings?
jan 24 at 7:47Why does water short out PCBs? (i.e. Why doesn't electricity follow the path of least resistance?)
sep 18 at 18:26How is wristwatch with 10 years battery life possible?
aug 25 at 17:13Using a diode to ensure current flows in only one direction, without causing a voltage drop
jul 31 at 23:59How to remove remnants of a capacitor pin?
jun 27 at 16:11What are the differences between USB and RS232?
jun 12 '12 at 18:32Why are the high voltage overhead power lines with the same potential being isolated?
apr 25 '12 at 14:06Does pin order matter at all for this RAM?
apr 25 '12 at 8:41Pumping a few Amps for a 100usec
apr 23 '12 at 21:16How fast can a Li-Ion battery be charged?
apr 22 '12 at 10:05Can the noise of any switching PSU be attenuated if I put linear regulator before the output?
apr 13 '12 at 22:33Tinning wires that will be screwed in to a chocolate block/terminal strip
mar 20 '12 at 0:57Can you make a non-polar electrolytic capacitor out of two regular electrolytic capacitors?
mar 7 '12 at 0:30“Overclocking” an AVR
feb 23 '12 at 16:57Harvesting energy from a small amount of wind
feb 14 '12 at 16:34Why are Li-Ion battery so much safer than lead-acid?
feb 12 '12 at 17:50Why do USB connectors only fit one way?
feb 5 '12 at 8:08Is my MOSFET-based bidirectional level shifter insane?
feb 3 '12 at 19:13How reliable are application notes
jan 31 '12 at 21:48Measuring frequency of a signal above 5V with a microcontroller
jan 28 '12 at 15:44Chance of shock?
jan 26 '12 at 18:59Why does fuse blow up sometimes?
jan 24 '12 at 14:07Serial to USB converter
jan 12 '12 at 0:14USB B, mini B, or micro B for product design
dec 6 '11 at 7:06Is it safe to disassemble an unpowered PC power supply?
nov 26 '11 at 22:50Can I pedal power a laptop device while the device is being used?
nov 6 '11 at 20:53What kind of transistor do I need to amplify an Arduino's PWM outputs?
nov 2 '11 at 15:29What's the purpose of two capacitors in parallel?
nov 1 '11 at 17:52What happens if I connect a transformer in reverse?
oct 11 '11 at 23:41LED lighting with incandescent spectrum?
sep 5 '11 at 22:20What type of solder is safest for home (hobbyist) use?
sep 5 '11 at 3:23Equivalent circuit of a solid state relay
aug 24 '11 at 14:37Why was Mini USB deprecated in favor of Micro USB?
aug 21 '11 at 11:18My linear voltage regulator is overheating very fast
aug 10 '11 at 5:51How does corona ring help against corona discharge?
aug 5 '11 at 2:34Should I worry about the risk of tombstoning?
jul 28 '11 at 10:33How is using a transformer for isolation safer than just playing with it?
jul 25 '11 at 23:42What do people use to hold an object in place while being worked on?
jul 15 '11 at 20:50How can I design a robust and professional power supply circuit?
jul 8 '11 at 16:44Hot capacitors: Is that a problem?