| - SENSOR: Gyro, Altimeter, Geomagnetometer- MCU: ESP32-WROOM-32 (CPU: Xtensa® 32-bit LX6 microprocessors- SRAM: 520KB, FLASH: 8 MB- POWER: DC24V → DC-DC (step down), solar cell → MPPT → rechargeable battery- Sensor board size: 92.7×71 mm- Protocol: MQTT |