Keeping updated

As the stock market fluctuates, a prime time to use the Dow Jones as a sensor input.

Breadboard Power Supply 5V/3.3V

A very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V regulated voltage. The .1" headers are mounted on the bottom of the PCB for simple insertion into a breadboard. Pins labeled VCC and GND plug directly into the power lines. The lone pair of pins have no electrical connection but help support the PCB.

MOSFET for solenoid drivers

After too long, MOSFETs come to the rescue.  Best way to control solenoids is using a logic power MOSFET.  Can handle up to 10A

rust never sleeps

Neil Young was right "rust never sleeps"