A 4-page case study. An M-Duino PLC with relays reads three capacitive level sensors per hopper, stops each feed when the weighing machine reaches the recipe value, measures the water by volume, runs the conveyor belts and the mixer on relays and sends the production data by LoRa. A TouchBerry Pi Panel PC holds the recipes. Read the interactive version at industrialshields.com/case-study-concrete-batching-plant-automation.