Irrigation system consulting with LoRa, 4G and satellite telemetry
Irrigation system consulting with LoRa, 4G and satellite telemetry, migration from ESP32 to STM32 and power reduction for battery operation.
GPRS / GSM
Portable multimodal tracker for cargo and baggage
Portable tracker roughly the size of a credit card, with GPS, GPRS, Wi-Fi and Cell ID, low power consumption, air transport operation and remote firmware updates. Created in 2004 and still in use.
GPRS/GPS vehicle tracker with tachograph interface
GPRS/GPS vehicle tracker developed over three generations: MSP430 with GPS and GPRS, migration to Freescale and tachograph integration, with UDP communication and technology transfer.
Electronic container lock with GPRS, GNSS and LoRa tracking
Redesign of an electronic container lock: battery life, secure opening in areas without GSM coverage, GNSS/GPRS/LoRa integration and electromagnetic compatibility inside an aluminum enclosure.