A low-power Flight Computer for high-altitude balloons
SMRTR summary
The Tiny4FSK project creates an ultra-small tracking system for high-altitude balloons, using a single AA battery to transmit location data for 10-17 hours. Built on a custom PCB with a SAMD21 microcontroller, Si4063 transmitter, ATGM336H GPS, and BME280 sensor, it employs 4FSK modulation and the Horus Binary v2 protocol. This lightweight, low-power design enables affordable near-space launches for atmospheric research and scientific experiments.
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