SpikenzieLabs – Kits and Projects
The Prototino is an Arduino clone with a built in prototyping area. Designed to make a permanent version of your project once you have perfected it on a breadboard but without the expense of...
Grathio Labs of Steve Hoefer
Steve Hoefer, the main brain behind Grathio Labs. A freelance problem solver and writer. Active in the Open Source software and hardware. The Secret Knock Detecting Lock unlocks your door when it detects the...
Homo sapiens to Homo Ludens
A long, long time ago a bright ape figured out that by climbing down from the trees he could more easily master his life, and that of others……Homo sapiens wanted something else, and better....
Switching regulator for 3.3V
Circuits with 3.3 volts: For small currents, a voltage regulator is sufficient. Greater efficiency can be achieved with a step-down switching regulator. This circuit proposal is loaded with good one ampere.
Circuit Land – Tony Van Roon
Tony van Roon VA3AVR has built Circuit Land. This site is as old as the html web internet, means 1995. Earlier it was a part of a Canadian University Site, when i discovered it...
Peter H. Anderson – Embedded Processor Control
This is a very useful computer interfacing resource for instrumentation. PC Parallel Port, Use of a PC Printer Port for Control and Data Acquisition, Serial Control and Measurement. Many Microchip PIC Type projects. Also...
David Bray 1-Wire Barometer
This article describes details for constructing a 1-Wire Barometer which will work on a Dallas Semiconductor Corporation 1-Wire network. This design differs from the popular Version 1.1a in that it has more than twice...
Thermostat circuits – Craig Forsythe
The circuits below are variations on basic thermostat designs that can be used to control either heating or cooling devices.Potential applications include such diverse jobs as opening flaps or controlling heat in greenhouses, powering...
