USB Li-ion battery charger
This is a charger for lithium ion batteries which takes its power from the USB port of a computer.
It uses the MCP73861 or MCP73863 Li-ion battery charger chip manufactured by Microchip.
By: neelandan
This is a charger for lithium ion batteries which takes its power from the USB port of a computer.
It uses the MCP73861 or MCP73863 Li-ion battery charger chip manufactured by Microchip.
By: neelandan
This is a four port USB 1.1 hub built on a tweety bird theme.
By: neelandan
Make a neat little game using a simple circuit.
By: intoon
This is a device that is designed to alert owls that it is nighttime. I made it for my little brother.
By: randofo
I made this as a quick project I made to use a lot of the LEDs I recently got. It basically connects via a 555 8 pin IC and allows for adjusting the time between the flashings by changing the resistor or capacitor values. It provides for a cool looking effect in a dark room. Use your favorite color LEDs and enjoy!
By: supes
Make a rain detector with a few household items. A great project for the kids!
By: howtoons
I like Leevonk’s PIC development board; here it is re-done in Cadsoft
Eagle, with a couple other modifications to make it simpler/cheaper
By: westfw
(Click Image to Enlarge)
Check out this detailed building of a 5.6 c.f. 37.5 amp polygonal top-loading electric kiln:
“This set of pages diarizes the construction of my kiln. I fire to cone 6 oxydation and use an electric kiln to do so. The kiln I’ve used till now is a very old cone 1 Olympic, it […]
(Click Image to Enlarge)
Nick writes:
“After more than 5 months of playing “You Don’t Know Jack” on the arcade and ignoring the little voice in the back of my head telling me to build some hand buzzers, I finally caved. Using the tutorial at Arcadeparadise.org as a starting point of sorts, I decided to take […]
(Click Image to Enlarge)
From benheck comes the nPod portable NES:
“Well of course I have to tell some sort of story with this “Making Of” so here goes. A few months ago I’m sitting around, probably soldering something, when a friend calls me up. Seems he’s over at St. Vincent De Paul’s (I guess some sort […]
WordPress database error: [Table 'dailydiy_diy.wp_categories' doesn't exist]
SELECT COUNT(*) FROM wp_categories