Poultry weighing system with LoRaWAN, Wi-Fi and ESP32
Poultry weighing system with a 24-bit sigma-delta converter, ESP32, Wi-Fi and LoRaWAN, designed for a harsh environment and to track flock weight, growth and uniformity.
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Energy metering module with self-calibration and Modbus
Energy metering module with ADE9153A and self-calibration, instrumentation-grade transformers, Nextion display, Modbus communication and detection of events and consumption peaks.
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.
Electronic squeeze chute scale for cattle
Electronic squeeze chute scale for cattle with hardware redesigned in 60 days, high-resolution A/D conversion and EMI/EMC immunity, followed by an ARM + Linux architecture to reach almost one million records.
IoT control system for poultry farming
IoT system for poultry farming with ESP32, LoRa and Wi-Fi connecting poultry houses, environmental sensors and weighing, generating data for production analysis in a cooperative.
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.
Water resource manager with Ethernet
Embedded system for water resource monitoring with Ethernet, Wi-Fi, Bluetooth, MQTT, Modbus and satellite communication for remote areas.
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.