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 […]

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DIY Party Quality Color Organ Display

Party Quality Color Organ Display This E-Book is all about a display that I built back in the 60’s.  An article in “Popular Electronics” magazine was published about the Musette Color Organ. The circuit divided the audible frequency spectrum into five parts. Each part drove a different colored flood light. Using music as an input, […]

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Programming the PIC Microcontroller Continued

Transfer code into chips memory Weather you have written a program to control an original project, got a program off the internet, or just want to experiment with a PIC microcontroller chip, you will need to transfer the code into the chip’s memory. Build the hardware The editor, compiler, and programming software are free. You […]

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Aarduino Uno

Intro to Programming the Arduino UNO

Intro to Programming the Arduino UNO My second Free E-Book is a lot more detailed than the first one. The second provides insight into microcontroller operation and programming. I’ve provided a bunch of terms along with their definitions. And an actual program that you can use to study to learn syntax. The E-Book is centered […]

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