Electronics Projects

Spy Transmitter

Cool Low Power Spy Mini-Transmitter

Cool Low Power Spy Mini-Transmitter  This circuit schematic is for a bare bones short range FM low power transmitter. The circuit operates on the commercial FM frequency band between 88 and 108 MHz.  The input Audio from the electret microphone causes a shift in the resonant frequency of the Colpitts oscillator formed by the Q1 […]

Microprocessor based Projects

There are literally thousands of Microprocessor based Projects.  Many Microprocessor based Projects are for the control functions in robotics.  The selection for this post is special because there is a unique feedback loop involved in the robotics operation. The camera (primary sensor) image goes to the display, then to the eyes of the user.  The user presses […]

Fun Robot Parts

Disclosure: This post contains affiliate links and I may be compensated if you make a purchase after clicking through one of my links. All of the components for the object avoidance robot with the exception of the cover are available through Amazon. The complete robot project instructions are presented in posts one through ten. The […]