SDCC + PIC18 Assembly Manchester Encoding for Neutral RF DC Bias

Building on my previous post regarding inclusion of assembly language files in MPLABX projects that use SDCC for PIC18, I thought I would present a real-world example covering Manchester encoding of data to achieve neutral DC bias for RF applications. This seemed like the perfect example to use as the encoding of serial data is, […]


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SDCC I2C Master Module for PIC18 Devices Alpha

I’m happy enough with my initial test results to zip this up and offer it to anyone who would like to use and/or improve the software. I’ve mentioned this module in a couple of posts during it’s initial development and after having integrated the software into my own project. Feedback is, of course, welcome. The […]


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Microchip PIC Simple EUSART Serial Example

Sometimes, it’s nice to see an example of an implementation that is, otherwise, strewn throughout pages of a datasheet. I decided to pull some serial code out of a debugging file and provide it as an example to anyone who is having trouble getting their Microchip EUSART to perform correctly. The example is thoroughly documented […]


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Maxim DS1620 Thermometer Output on Hitachi 44780 Example

Not long ago, I wrote a post regarding hardware and software interfacing a Maxim DS1620 Digital Thermometer/Thermostat. In my copious free time, I decided to follow through with a working example that displays temperature data on any LCD display that uses the ubiquitous Hitachi 44780 chipset. Below you’ll find a schematic as well as a […]


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Maxim DS1620 Digital Thermometer Interfacing

Updated: For a working example, please read this post next. It provides schematic and software that will display the output of the Maxim DS1620 on any Hitachi 44780-compatible LCD. I was in the shop the other day, putting some FETs away and labeling drawers when I came across a drawer full of DS1620s. I have […]


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