Authors: U LOK IN, CHEONG HAO IAN, CHEONG HAO IAN
Company/Faculty/School: Pui Va Middle School
web page: http://www.puiva.edu.mo/
We use a soil tester to monitor soil moisture in real-time. When it detects that the soil moisture is below acertain value, it sends back a signal to activate the pump to transfer the condensate and used for irrigation.