Mixed Voltage Systems
This article describes methods for interfacing 5V and 3.3V devices in a world where microcontrollers and various sensors often operate and communicate at different voltages.
This article describes methods for interfacing 5V and 3.3V devices in a world where microcontrollers and various sensors often operate and communicate at different voltages.
A 3-part series on using geometry to make GPS Navigation easy. This is part 3 of a 3-part series.
A 3-part series on using geometry to make GPS Navigation easy. This is part 2 of a 3-part series.
A GPS Datalogger for tracking a vehicle and recording the travel coordinates to a USB Thumb Drive for display in Google Earth.
The Propeller Multicontroller board; a DIY multi-purpose control board. This is part 4 of a 4-part series.
The Propeller Multicontroller board; a DIY multi-purpose control board. This is part 1 of a 4-part series.
Building a robot platform on a budget with some examples of platforms built for minimal cost using different materials.
The Garage Parking Assistant makes it easy to pull in the garage by signaling you with a traffic light style display of when to pull in (GREEN), slow down (YELLOW) and stop (RED).
Three custom digital alarm clocks. Each slightly different. Each with many features such as dual crescendo alarms, dimmable display and battery backup of the time and settings.