Tag Archives: AVR

Adapting Wishbone Cores For Use With The Papilio And DesignLab

After a hiatus of about a year I’ve pulled out my Papilio One FPGA board and started working on my VHDL programming skills again. The majority of my previous efforts involved putting together Wishbone cores for the ZPUino softcore and I thought I’d pick up where I left off. However, since I last spent any …

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Controlling The Si5351 Via USB

This project is actually a repackaging and expansion of a previous one, the I2CStick. It’s intended to provide a USB interface for control of an Si5351. I put it together as part of another project and thought it might be of interest to others. Hardware The interface schematic is shown below. The original I2CStick was …

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I2C For The AVR Stick

Note: The AVR Stick mentioned in this post has been retired by SparkFun. For a similar project using the Adafruit Trinket go here. In my previous post I mentioned the AVR Stick from Sparkfun and how I thought it would make a good development board for experimenting with the AVR ATTiny85. With that in mind, …

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Tabula Candida

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rtl-sdr.com

A blog about RTL-SDR (RTL2832) and cheap software defined radio

DuWayne's Place

Computers, Electronics, and Amateur Radio from KC3XM

QRP HomeBuilder - QRPHB -

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Computers, Electronics, and Amateur Radio from KC3XM