For the control unit, he and his co-workers received third prize at the Thua Thien – Hue 2017 provincial Technological Creativity Contest. Quy said the control unit is not a new product. The unit created by Quy has many advantages – it is cheap, easy to operate and suited to Vietnam’s climate conditions. The sensors receive signals from the environment, encrypting them and transmitting the information with RF wave to the central control unit. After comparing the factors, the central control unit will make decisions on turning on the plant care equipment.