First of all it's a real shock hazard. The motor insulation probably isn't designed to withstand 240VAC. There could be leakage to the case. If you DO try it,...
I don't think discharging at close to the one hour rate to be a good idea. If there is a temperature sensor in the battery pack (there should be!) it will...
I have a Max 197 AD connected as follows: Source - 47KOhm - + - MAX197 ... zener ... ground With the source disconnected, the Max 197 reads about .22V. With it...
What is the purpose of the zener on the ground leg? Is it to raise the level of conversion? Sounds to me to be an application issue somehow with the IC trying...
... The ascii art didn't quite turn out; the zener is on the input leg between the 47KOhm resistor and the chip (where the + sign in my diagram). Its purpose...
Ahh, that makes sense. What you are seeing is a floating input voltage. The zener has a high impedance to ground if not above the breakdown voltage. Properly,...
I usually got such weird (induced and rectified) voltages when a non linear device is almost open circuited and if the testing wires are somehow long hence...
I let the battery charge for 24 hours with the switch on but no luck. Today I did an online chat with the enjoydeal store website and they replied the max amp...
Hi all, I have an older Radio Shack Multi-meter, (Cat no 22-812) that can not read voltage right. It goes crazy we it sees voltage and jumps around and can...
Rick Replace thr fuses and see if you see the symptoms. A fuse can seem good when tested but misbehave in circuit. Also when shorting probes in continuity mode...
Dave, The fuse is only involved with current measurements AFAIK. Rick ... From: Electronics_101@yahoogroups.com [mailto:Electronics_101@yahoogroups.com] On...
what kind of voltage are you checking? three phase will have a wild leg and if our meter does not have a fast enough sampling rate it will not read correctly ...
Ok, here is the latest update. I took it back apart again and left the battery hooked up. I did a continuity check and the leads seemed to work perfect. I then...
Hello! This is one of my first posts to any of the Yahoo Groups so please bear with me if I make any mistakes. I am hoping someone can help me. I am trying to...
I am a strong believer that everyone makes mistakes, and that character reveals itself in how one handles those mistakes. I ordered a couple 0.1 inch to 2mm...
This is one conductor in a cable from some iPod earphones: http://www.tinyuploads.com/images/mizPu4.jpg What is the best way to deal with the fibre strands and...
Glen, Those old books and kits are best search on places like eBay. As for digital electronic, much has changed - on you might want to explore learning digital...
Hi Jong ... and Glen, I would recommend a microcontroller rather than a microprocessor which needs peripherals before it can work. My preference for...
