LoRaWAN hub with Raspberry Pi and RAK833
LoRaWAN hub design with Raspberry Pi, RAK833 concentrator, Ethernet with PoE and surge protection for field data concentration.
LoRa / LoRaWAN
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.
Electronic engineering consulting for an autonomous self-storage system
Electronic engineering consulting to review the communication architecture of an autonomous self-storage system, analyzing Wi-Fi mesh and sub-GHz alternatives.
Electronic engineering consulting for a parking space control system
Electronic engineering consulting for a parking space control system, analyzing sensors, physical blocking, communication and costs.
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.
Vibration measurement consulting for predictive motor maintenance
Consulting on a vibration measurement system for predictive motor maintenance, with fast acquisition, embedded processing and LoRa communication.
Tips for designing and testing antennas in small spaces
Good practices for designing and testing antennas in compact devices, including placement, ground plane, matching, VSWR and validation.
Electronic design with ESP32, GPS, LoRa and sensors for traceability
Electronic design with ESP32, GPS, LoRa and sensors for traceability, combining location, motion, temperature and battery operation.
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.
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.