Author Archives: chris

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Software developer

Skyartec TX module for the 9x

This is a TX module for the 9x that works with Skyartec receivers (eg. Wasp 100 Nano CP, etc). It uses an off-the-shelf generic CC2500 module (eBay/China) and has an integrated LNA that provides 100mW output. The RF module is … Continue reading

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JSON encoder and decoder for Lua

My implementation of JSON using the LPeg library.

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Porter stemming algorithm in Lua

This is an implementation of the Porter stemming algorithm in Lua.  It uses the LPeg library.

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MultiWiiCL

https://github.com/c—/MultiWiiCL This is a command line text based tool for configuring MultiWii. It also provides a full scripting environment for whatever fancy future use. I needed this because MultiWiiConf wouldn’t run at all on my old laptop and on my … Continue reading

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DEVO TX module for the 9x

I have been flying a Genius CP (DEVO) with a 9x for a few days now and while I probably don’t have all the issues worked out I figured it’s time to post some information. This will be a continuous … Continue reading

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Warthox inspired 400mm quad project

First I used LibreCAD to create a frame design. Inspired by Warthox but smaller. Then I printed it on copper clad board using an inkjet so I would have an accurate pattern to follow. I drilled all the rounded corners … Continue reading

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Arduino USB Linker

https://github.com/c—/ArduinoUSBLinker

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SHA1 implemented in Lua

This is a SHA1 implementation for LuaJIT. Take a look at the source for example usage and documentation. The performance is decent considering this is written in a scripting language but I appreciate any ideas for improving the speed (loop … Continue reading

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Easily build simonk firmware on Windows

This project is to make changing the simonk ESC firmware settings a little easier if you’re using Windows.  This assumes you have downloaded the simonk firmware and have a directory with all the files in it. First download this zip … Continue reading

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MultiWii 3D

https://github.com/c—/MultiWii3D MultiWii simonk reverse motor test (for inverted flight) This is my technique for making 3D props: First I get two pieces of wood and a C-clamp.  Then I heat up one side of the prop with a heat gun … Continue reading

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