They don't exist. The closest is to convert to serial, transmit, recieve and convert back to serial.
#0 Battery mounting: You can buy batteries with a solder tag from some electronics stores. #1 They can emit gasses if charged too quickly or...
There is no problem fully potting an led as long as the curing temperature is kept below about 150degC. They don't get hot enough running to be a...
Open the ECU and see what microprocessor and memory they have inside.
There is no program that I am aware of that will make a good layout. The whole electronics industry either still does it by hand or uses an...
All of the door locks I've seen use a motor and linear gear. There may be some that use a solenoid but it seems unlikely as a solenoid needs power...
Wrap em in tinfoil. Doesn't get much more conductive than that.
I'm not sure but I think they are a motor and linear gear so all you need to do is run them off a lower voltage. Doing that will lose torque though.
What is wrong with the circuit they give?
When they come out here in about three years time I'll definately have a look.
You will need some sort of motion sensor. Car alarms use a coil with a magnet suspended on a spring above it. Probably a transistor and few...
This reminds me of an idea from another forum, a death card. It's a card you carry in your wallet with a message saying "I was an active member of...
So you want to hit once and it goes green again and it goes green+red, then switch off or go back to red on the next hit? They are all going to...
You could use a 4017 counter do the R/G/B sequence. The vibration sensor can be a microphone with low gain and a low pass filter at about 10Hz.
Good idea. I would have thought your emergency contact person would naturally be someone who is sensible enough not to be conned with ransom...
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