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Archive: Electronics
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September 25, 2006
PIC Prototyping board...
B0j3 posted up a nice protoboard in the MAKE Instructables group - "Since I have a lot of ideas about different usages of microcontrollers it always happens I have to build basic microcontroller setup (microcontroller with oscilator). Finaly I decided to make a small (or should I say mini) protoboard for PIC 12f675 (which I wanted to use for a small project)." - Link.
More:
Join the MAKE group on Instructables and add your projects - Link.
Posted by Phillip Torrone |
Sep 25, 2006 05:19 PM
DIY Projects, Electronics |
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| Comments (4)
SD/MMC card in floppy edge-connector
Rob writes - "You can attach an SD camera memory card to any homebrew DIY project that has a few I/O pins, using ordinary connectors you probably have right now. Step-by-step photos (using WRT54G wireless router as an example) are provided." [via] - Link.
Posted by Phillip Torrone |
Sep 25, 2006 09:46 AM
DIY Projects, Electronics |
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| Comments (1)
Drive your Roomba with your cell phone
Todbot writes - "Ever since Bluetooth adapters for Roombas appeared, I've wanted to control my Roomba with a cell phone. All my recent phones have had Bluetooth. But getting a devkit for a phone was expensive and phone-specific. Trying to develop J2ME (aka "JavaME") applications for cell phones has been a mess, especially for non-Windows users. Thankfully, Mobile Processing wraps up the ugly details, like Processing does for normal Java. It makes writing little programs for your phone pretty easy, and makes whipping up a program to control a Roomba possible." - Link.
Related:
- Roomba Bluetooth Interface - Link.
- HOW TO - Make a Roomba Serial Interface - Link.
- Roomba hacks, mods, how-tos and more - Link.
Posted by Phillip Torrone |
Sep 25, 2006 03:11 AM
Cellphones, DIY Projects, Electronics, Robotics |
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| Comments (0)
Getting started with 8 bit AVR microcontrollers
Scienceprog writes - "Piconomic Design company has decided to release condensed course of 8 bit AVR microcontrollers by example. This is good start to people who want to start or switch from different MCU platform. They have introduced simple development board which can be built abd used freely for personal use." - Link.
More AVR:
- Open source Atmel AVR microcontroller kits... - Link.
- Atmel AVR Butterfly 4 - Link.
- Build a $19 AVR Butterfly MP3 player - Link.
Posted by Phillip Torrone |
Sep 25, 2006 02:57 AM
DIY Projects, Electronics |
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| Comments (0)
September 24, 2006
Morgan, the wonder Atari 400/800
Carla posted up this neat retro hack in the MAKE photo pool... - "This was the first mod/hack/voidyourwarranty ever in my life. Thanks, Dad. *sniffle*
before: store-pristine Atari 400
after: guts and memory of an Atari 800, flat 400 keyboard removed and replaced with a "real" keyboard.
Yes, even at that age, I was naming my computers. I have no idea where "Morgan" came from--let's put it this way: I have a stuffed lamb named "Sports Alley".
Dad labeled it with Morgan's name for me, using those hardware store stickers that are meant for mailbox addresses. He was so proud of his modding job (transforming it into an 800, and adding a keyboard to boot) that he later added the duct tape/address stickers "800" to the cartridge door. "- Link.
Join the MAKE Flickr photo pool and add you projects! - Link.
Posted by Phillip Torrone |
Sep 24, 2006 06:11 PM
DIY Projects, Electronics, Retro |
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| Comments (0)
Control the NES "ROB" robot with a PC parallel port
Here's a fun project if you have one of those old NES robots, control'em with your PC! Thanks n0x! - Link.
There are a few instant message toys/bots that plug in to USB, but you could make your own and have the NES bot move around when you get a new message, email, etc...
Related:
Other NES hacks, mods and more - Link.
Posted by Phillip Torrone |
Sep 24, 2006 12:22 PM
DIY Projects, Electronics, Gaming, Retro |
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| Comments (0)
Control your VCR with a text message
Frisnit.com shows you how to control a VCR with SMS (cell phone) - "Imagine it, it's 3:15 on a weekday afternoon and you've just realised you've forgotten to set the video to tape 'Pet Rescue'. Usually you would be condemned to an afternoon of misery and disappointment, knowing you had no heartwarming cute animal stories to come home to. But not any more. Below I describe a simple interface between a T28 mobile phone (ME) and Matsui VX770 VCR to allow remote recording of programmes." [via] - Link.
Related:
VCR cat feeder. Liberate a motor from an old VHS deck, attach it to a food chopper, and program the deck's recording timer to fill Fluffy's bowl on schedule. Voila! Your own programmable pet food dispenser. MAKE 03 - Page 98.
Posted by Phillip Torrone |
Sep 24, 2006 05:51 AM
DIY Projects, Electronics |
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| Comments (0)
September 23, 2006
HOW TO - Make a cheap submersible webcam
Mark writes writes - "This webcam is a project that has been featured in Bright magazine in Holland and I also took it with me as one of the projects to present on Make's Make Fest. It's even mentioned in this weekend's Make Podcast so it's about time the whole wide world get's a chance to see (and make) it!" - Link.
Posted by Phillip Torrone |
Sep 23, 2006 03:36 PM
Electronics |
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| Comments (0)
Use vintage wartime radio headphones as regular headphones
Deadinsect writes - "How to convert a vintage war-era headphone set and turn it into a working, usable set of ultra retro-chic headphones. Complete the look at your office desk or cubicle by swapping your phone for a morse key. "- Link.
Related:
- Open source MP3 player + Jackhammer headphones = good - Link.
- Homemade headphones - Link.
- DIY Shuffle headphones - Link.
- Wireless headphones mod - Link.
- HOWTO: Decorate Your Headphones - Link.
Posted by Phillip Torrone |
Sep 23, 2006 01:14 PM
DIY Projects, Electronics, Instructables |
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| Comments (0)
September 22, 2006
Kids safety labels we want to see...
There's an open letter published in the Daily Telegraph calling on the government to help prevent the "death of childhood" - basically, video games and consumer electronics are killing imaginations... maybe, but why wait for the gov - we're all about solutions here at MAKE, we're proposing that these handy safety labels be applied to all packaging, enjoy.
Related:
- Modern life leads to more depression among children - Link.
- Consumer electronics ate my child's imagination - Link.
- MAKE 07 "Kids safety labels we want to see" - Link.
- Tinkering school - Link.
- High(er) res versions... Link.
Posted by Phillip Torrone |
Sep 22, 2006 10:22 PM
Electronics |
Permalink
| Comments (6)
Simon game from Spark Fun Electronics and Simon kit...
Spark Fun Electronics has a pretty neat "Simon" like game (source and schematic included) all for $24.95 - "Looking for an application for the button pads, we ultimately settled on re-creating this classic. It blinks. It makes a lot of noise. And it's guaranteed to suck you away from doing any real work.
This is a good demo board for our button pads, DC to DC step up, LEDs, battery holders, buzzer, pseudo-random number generator for game sequence, etc. The firmware is available below as well as schematics to see how we did it. Buy the board for a quick toy or re-write the code to create mega-Simon." - Link.
We also have a Simon kit in our MAKE store to check out... Originally designed for the Maker Faire by Grand Idea Studio, the Build Your Own Electronic Game Kit is a custom-created kit intended to introduce you to the world of electronics and soldering. When successfully assembled, the kit becomes a version of the popular memory game, Simon, with a few optional twists (schematic included) - Link.
Posted by Phillip Torrone |
Sep 22, 2006 11:32 AM
DIY Projects, Electronics |
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| Comments (0)
Pong watch build log
Remember the homemade Pong watch we posted up a few weeks ago? John, the Maker, has a build log of some of design challenges, parts decisions and other "show your work" type content to check out. If you ever wondered what it would take to build a super cool watch that plays pong, here's a front row seat - Link.
Related:
Posted by Phillip Torrone |
Sep 22, 2006 10:14 AM
DIY Projects, Electronics |
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| Comments (0)
Control a LED matrix display using LPT (Parallel) port
Here's how to control a LED matrix using a parallel port (source and schematic included) - Link.
Posted by Phillip Torrone |
Sep 22, 2006 09:56 AM
DIY Projects, Electronics |
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| Comments (1)
September 12, 2006
Build your own velocity monitor for paintballs
Our pals at Design News have a new "Gadget Freak" on building your own velocity monitor for paintballs - "Looking to paint the town red (or his buddies at any rate), Nathan Loden devised this simple device to detect if the paintballs are traveling at a safe speed (less than 300 ft/sec). Consisting of sensor circuitry and a microcontroller with a three digit, seven segment display driver, it detects the presence or absence of a ball by measuring the amount of IR energy striking the sensor, causing a voltage swing detectable by the micro. A timer is set to overload if the number of instruction cycles exceeds a limit equal to 300 ft/sec, indicating safe shooting." - Link.
Posted by Phillip Torrone |
Sep 12, 2006 10:45 PM
DIY Projects, Electronics |
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| Comments (2)
Make an ethernet temperature monitor
Max is still kickin it, he writes - "Okay you've built the digital thermometer but you ran out of ideas and didn't know what to do with it. Well if you wanted to, you could add a Lantronix XPORT ethernet serial device to the serial channel and monitor temperature remotely over the ethernet. Now I have the ability to check temperature of my room even when i am in Hawaii or New York! The greatest thing about these little XPORTs is that you can enable any microcontroller w/ serial ports to be ethernet ready." - Link.
Posted by Phillip Torrone |
Sep 12, 2006 02:50 PM
DIY Projects, Electronics |
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| Comments (0)
Homemade PONG watch!
MAKE pal John Maushammer (who reverse engineered the firmware in all three Pure Digital disposable cameras and figured out how to connect them to home computers) sent in this amazing pong watch! He writes -
"I loved the idea behind the Pong Clock and I've wanted to make my own watch for a while now... combine those two things, and I've got a start at the Pong Watch. This is just an electrical prototype - the hard part will be making the watch case and then squeezing all the electronics in there. The display is a small (1.2") 96x64 yellow-and-white OLED display. OLEDs are neat because only consume power proportional to the number of pixels that are turned on -- for a game like pong, that's a relatively small 1-2% of the display, so the power requirements are pretty small. Plus, the high contrast looks great with a game like this. I haven't worked out the power budget in detail yet, but hopefully I can get a day's use out of the watch, and then recharge the battery each night. The charger would also automatically set the time, so there will be no need for buttons on the watch."
Posted by Phillip Torrone |
Sep 12, 2006 11:30 AM
Electronics, Made On Earth |
Permalink
| Comments (13)
Hedgehog wheel sensor/counter
Ben built a simple sensor that counts the number of revolutions his pet hedgehog's wheel goes through, and then automatically blogs about it each day - Link to blog & photos.
Posted by Phillip Torrone |
Sep 12, 2006 10:27 AM
DIY Projects, Electronics |
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| Comments (6)
LED Disco Dance floor controller boards
Hey those craft engineers who did the Disco Dance Floor have a new company and sell kits now, check'em out, yay more 'lectonic kit makers! - "Our flagship product, the Disco Dance Floor Controller Board is capable of controlling up to 192 LEDs (with 4-bit intensity control) and 64 binary switches via a USB interface. Using the included source code, a refresh rate of 17 frames per second is easily achieved. With some environment specific modifications to the software, rates in excess of 30 frames per second may be achieved. Multiple boards may be connected together using USB hubs to control additional LEDs and switches." - Link.
Related:
The First East Disco Dance Floor - Link.
Posted by Phillip Torrone |
Sep 12, 2006 07:15 AM
DIY Projects, Electronics, Kits |
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| Comments (0)
September 11, 2006
TRIKLITS - Color changing LED light strings
I saw this at Burning Man (called the Cubatron) and it was incredible, Ryan writes - "These guys just came back from Burning man, having created the worlds largest true 3D display with a bunch of programmable LED strands. And now they're selling them, along with a USB controller box so you can program to do whatever you want. They've documented the protocol incase you want to make your own controller box. I'm putting some lights up in my dorm room that will slowly pulse white when snow is imminent." - Link.
Pictured here, "Big Round Cubatron" by Trixie Pixie.
Related:
The Big Round Cubatron - Link.
Posted by Phillip Torrone |
Sep 11, 2006 09:46 PM
DIY Projects, Electronics |
Permalink
| Comments (3)
DIY Easy mood light
Rick writes - "This is an easy way to make your own $50+ value mood light with a minimum of parts/effort/Cost and electrical or electronic experience. Even soldering can be avoided!. Total cost could be as little as $2." - Link.
Related:
Posted by Phillip Torrone |
Sep 11, 2006 06:33 PM
DIY Projects, Electronics |
Permalink
| Comments (0)
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