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README
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README
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This is a design for a 2-stage model rocket that will boost a basic
ESP32-based telemetry board (accelerometer, altimeter, barometric pressure
sensor, and temperature sensor, along with a real time clock). The telemetry
readings are saved on a MicroSD card on the TTGO-T1 board using its MicroSD
slot. The system is powered by a LiPo battery while in flight and the integrated
battery charger on the TTGO-T1 board is used to charge the battery via the
micro-B USB connector. The sketch uses the USB connection for serial communication
to set the RTC and open the log file.
The first stage has a four engine cluster, with 1 E12-0 and three D12-3
engines. The second stage takes one E12-8 engine.
Both stages have parachute recovery. The first stage has three (small) parachutes
above the outer three engines. The upper stage has a single (large) parachute.