Jeff’s Raspberry Pi Setup Notes

Raspberry Pi Setup Notes These are the notes I keep for initial setups of the base Raspberry Pi Linux images.  They were collected from all over the internet and from personal experiences. If you find errors let me know. I’m always updating it so check back if you’re looking to add a feature that you … Continue reading Jeff’s Raspberry Pi Setup Notes

Microcontrollers, Embedded Systems and Single Board Computers

Many different terms are used for the devices that run our small computing projects. In addition there are lots of different hardware/software platforms. Many are pin compatible, similar in size and function and can achieve the same result in different ways. Here are some of the common terms: Microcontroller A microcontroller is a small computer … Continue reading Microcontrollers, Embedded Systems and Single Board Computers

PID? What is it?

Wikipedia says that a proportional–integral–derivative controller (PID controller) is a generic control loop feedback mechanism (controller) widely used in industrial control systems – a PID is the most commonly used feedback controller. A PID controller calculates an "error" value as the difference between a measured process variable and a desired setpoint. The controller attempts to minimize … Continue reading PID? What is it?