TY JOUR TI MODEL OF THE SYSTEM OF CONTROL OF THE COMBINED HEATING OF THE GREENHOUSE IN CONDITIONS OF THE COVERED AREA BASED ON THE MICROCONTROLLER RASPBERRY PI KW greenhouse microclimate KW joint heating KW automation KW closed ground JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Ivanov, S.. AU Dorokhov, A.. AU Kvyatkovskaya, I.. AU Shishkin, N.. PY 2015 IS 2015 PB Astrakhan State Technical University