Author Archives: Michael Melchior

About Michael Melchior

Husband, Father, computer scientist, commercial helicopter pilot. Full of ideas and open minded, I try to see challenges in what others call problems.

Tu(r)ning a 40MHz RC Ferrari (from digital into a 2.4GHz analog one) (Part 1)

Winter has come… and with it long evenings that can be used for working on new projects. One of them is a follow up on the Reverse Engineering a Quadrocopter RC series, using its 2.4GHz remote to control a 40MHz … Continue reading

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Reverse Engineering a Quadcopter RC, or: How to not miss the needle while throwing the haystack in the air (Part 4)

Part three of this series covered tagging into the SPI communication between an Arduino Uno and a nRF24L01+, followed by the transceiver inside the quadcopter RC. We have seen registers being read from and written to for initializing the transceivers … Continue reading

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Reverse Engineering a Quadcopter RC, or: How to not miss the needle while throwing the haystack in the air (Part 3)

In part two of this series, we first tried to interpret the data received in promiscuous mode from the quadcopter RC radio. We then started collecting data from the SPI interface of an Arduino Uno controlling a nRF24L01+ transceiver. In … Continue reading

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Reverse Engineering a Quadcopter RC, or: How to not miss the needle while throwing the haystack in the air (Part 2)

Part one of this series covered the first three steps towards reverse engineering a quadcopter RC. The steps were “check the documentation“, “listen to the radio” to get the right channel and “listen to that channel intensively” in promiscuous mode. … Continue reading

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Reverse Engineering a Quadcopter RC, or: How to not miss the needle while throwing the haystack in the air (Part 1)

EDIT: The series got featured on my favorite hackspiration site…! Thanks to Brian Benchoff for his very kind and encouraging review. It got me hovering around like a quadcopter all day with a big smile on my face, asking my … Continue reading

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Kids Music Box

Basic Idea My wife and I are big fans of the Montessori Education approach, trying to use all kinds of non-plastic alternatives (both in material and methods) for the entertainment of to raise and educate our children. Music is a … Continue reading

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Building the ArduPilot APM2.x firmware with Eclipse on Windows (for real)

A few years ago, I wanted to start a professional UAV business. I did some tests with the Multiplex EasyStar II as a rather unexpensive and easy to fly R/C plane and after it went quite well (which shall be … Continue reading

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