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Step-n-Start - A Motor Pull-Starting Assist for Those that Need a Little Help
YACK BOX (Yet Another Camp Kitchen)
Electric Sand or Salt Spreader for your Truck or Tractor from Junk
This is not a nonsense like ΧωρίςΌ want us to think... Overnight charging is the cheapest way to charge a nickel cadmium battery (YES ONLY Ni-Cd like the author say), and is performed charging at C/10 (10% of the rated capacity per hour) for 16 hours.. So a 1000 mAH battery would be charged at 100 mA for 16 hours. This method does not require an end-of-charge sensor and ensures a full charge. Cells can be charged at this rate no matter what the initial state of charge is. Also another fact, the volts the author use are also safe as the minimum voltage you need to get a full charge varies with temperature (at least 1.41 volts per cell at 20 degrees C). Finally, the best charging practice is to use a timer to prevent overcharging to continue past 16 hours, so if anyone has the expertise, can make a circuit to do this (or use arduino). I will try to make a circuit capeable of reading the third connector on the battery pack, that is a thermistor, so if the battery pack gets too hot, the charger can cut-off the charge.Also, i will post pictures later, because my fast-charger was water damaged, so i will remove almost all components from it's pcb and replace them with a circuit like the described in the tutorial... also i will keep the fan inside the charger, so i be transforming the fast charger into an overnight charger, but will fit perfectly.
Homemade Cordless Drill Battery Charger
Hello, I just opened up the charger for my Skil screwdriver, the battery is 14.4V and 1.2 Ah .The charger is powered by a 18 V AC 500 mAh transformer ... The big resistance is around 13 ohms, the circuit has the diode and the led and 2 small resistors but also a transistor connected somehow to the led !I measured the voltage at the battery terminal and it is only 5 V C what should I replace in order to repair it?
Alligator Leads with Integral Fuse Holders for Safe Connections to Lead Acid Batteries
thank you this will make my job easier this winter my driveway is gravel and about 1/2 a mile long we got stuck so much last winter
Build a Vacuum Wagon for Spring Cleanup
Snow Plow Tilt Adjuster (John Deere 325)
Absolutely great method to reconditioning batteries http://bit.do/reconditioningbatteriesThank you Gregory! :)
Hackaday Screen Printed T-Shirt on the Cheap
Easy tripod mount for a 7 inch tablet
Cheap 2-Way Bluetooth Connection Between Arduino and PC
I added my old fanny pack to it so it has more room
That's a picture of the fanny pack
It has wheels, and a handle, which makes it more portable.
Cool. Can't wait!
That's what I'm starting off with.
That's great! Be sure to post pictures and any improvements you come up with so we can learn from you!
I'm making one myself!
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