Tag Archives: lap timer

NavSpark and GPS Predictive Lap Timer

This cool little programmable (via a modified Arduino IDE) GNSS device should be capable of implementing all of the functionality needed for a predictive Lap Timer. There are models which integrate GPS/Beidou, GPS/GLONASS and GPS/Galileo. SkyTraq Technology Inc., a leading … Continue reading

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GPS Predictive Lap Timer Update

The picture above shows the Arduino Mega Predictive Lap Timer being fed GPS RMC-Sentences from an Ardweeny pretending to be a GPS receiver. The Ardweeny is running my Scripted GPS Simulator code and is connected to a 16Mbit AT45DB161D DataFlash … Continue reading

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Predicitive GPS Lap Timer (PC Prototype Version)

Here is a data file representing several laps of the Portland International Raceway. The data consists of 7,376 5Hz GPS RMC (filtered) sentences extracted from a Race Technology DL-1 Data Logger. The file has a .doc extension but its actually … Continue reading

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Detect GPS Crossing a Boundary Line v2.0

Under testing I’m getting good results using the following code to determine if crossing the startline. Please note the code is missing some bound tests which would prevent division by zero, etc.

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Detect GPS Crossing a Boundary Line

Here is some mixed code and pseudo code that represents my 2nd attempt to detect when a GPS crosses a boundary line. The boundary line in my case is the start/finish line of a race course. I want the code … Continue reading

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Arduino Scripted GPS Simulator v2.0

Find below an updated version of my Arduino Scripted GPS Simulator. Here are some of the program’s features: Configurable update rates: 1, 5 and 10Hz. Outputs NMEA RMC Sentences (can easily be converted for others). Uses Arduino DataFlash Library to … Continue reading

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Serial Transfer of Text File from PC to Arduino

I need to make a GPS Simulator to assist in the development of my Predictive Lap Timer Project. I have some data files (Race Technology DL-1 Data Logger) from racing at various tracks, and I realized I could use this … Continue reading

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