Richjd posted up a PC application called R.EXE to help you learn about Ohm’s law… “OHM’s LAW – What it is. How it works. A personal LEARNING AID for the interested and patient learner. Just read the following pages with care or call them up using the HELP function under program execution. A) Learn the […]
Tim writes – “This project shows the use of a neat chip that lets you use any IR remote to switch something on-off. Here I’ve modified an old non-working General Electric RF remote AC switch to a switch that can be controlled with any IR remote. My motivation was this, I wanted to be able […]
SethJ writes – “tired of hi-def? (booo!!!) here’s how to convert otherwise reasonable quality video into pixelated garbage and play it on a 2 color 8×8 led matrix, with no sound and only moderate sync. ingredients: – (1) 8×8 2 color led matrix – (1) atmel avr atmega168 – (2) 74hc595 shift register – (1) […]
Falconphysics writes – “I teach high school physics and I use a lot of expensive probeware to collect data. The only reason I can do this is my school has been collecting the probes over a number of years, building our collection slowly over time. For those who aren’t science teachers, probeware refers to a […]
Great idea sure to find its way to toy shelves (if it hasn’t already) but until then… here’s how to build your own LED NERF-like football – Link.
Fungus amungus made a great portable thought bubble – “Ever want to know what your friends are thinking? What about the thoughts of cats and dogs and trees? They have to be thinking of something and now you have a chance to find out with the Portable Thought Bubble. You’ve seen thought bubbles in action […]
Klee27x writes – “Make your own PIC programmer for your computer’s parallel port. This is a variation of David Tait’s classic design. It is very reliable and there is good programming software available for free. I like IC-Prog and PICpgm programmer.” – Link.
