Compact LoRa-based load cell manager board. Hosts Heltec WiFi LoRa 32, HX711 ADC for strain gauges, dual VL53L1X ToF sensors, 3.3V/2.8V rails, user buttons/LEDs, and screw terminals for robust interfacing.

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Production-ready industrial 6 V battery-powered LoRaWAN DC motor controller using ESP32-S3FN8, SX1262 AU915, CP2102N USB-C programming, DRV8833 motor drive, TLV62568 buck regulation, protected battery input, and Heltec LoRa V3-compatible development workflow.

SCADA Sensor Node v2.1 using a Heltec WiFi LoRa 32 V4 module with separate +5V and board-generated +3V3 rails, ADS131M08 8-channel ADC front end, TCA9548A I2C multiplexer, TMP102-based fan control, ULN2003A relay and fan driver, CT/pressure/analog/One-Wire/vibration/humidity/Qwiic/flow/digital sensor interfaces, relay outputs, fan connector, brownout sensing, and a 200 mm x 140 mm 2-layer layout with Heltec keepout, antenna clearance, mounting holes, and DIN-rail slots.