Pengontrol Suhu Ruangan Otomastis Menggunakan Nodemcu V3 Lolin dan Sensor DHT 11 Berbasis Internet

Abstract

Telah dirancang dan dipabrikasi sistem pengontrolan suhu ruangan. Sistem pengontrolan suhu ruangan menggunakan sensor DHT11, yang didalamnya terdapat sebuah thermistor tipe NTC (Negative Temperature Coefficient). NODEMCU V3 LOLIN digunakan sebagai pengontrol, penerima dan pengolah data pada sistem otomatis pengatur suhu dan ruangan. Prinsip kerja alat, apabila suhu ≥ 33oC , maka kipas akan hidup secara otomatis dan lampu mati, dan apabila suhu ≤ 30oC, maka kipas akan mati secara otomatis dan lampu hidup. Pengukuran dan pengontrolan suhu ini dilakukan pada ruangan berukuran 30 cm x 30 cm. Secara keseluruhan kinerja alat yang dirancang sudah cukup baik, hal ini dapat dilihat dari hasil perhitungan rata rata persen deviasi yaitu 4.1 %.

A room temperature control system has been designed and fabricated. The room temperature control system uses a DHT11 sensor, in which there is a thermistor type NTC (Negative Temperature Coefficient). NODEMCU V3 LOLIN is used as a controller, receiver and data processor in an automatic temperature control system and room. The working principle of the tool, if the temperature is ≥ 33°C, the fan will turn on automatically and the light will turn off, and if the temperature is ≤ 30°C, the fan will automatically shut down and the light will turn on. Temperature measurement and control is carried out in a room measuring 30 cm x 30 cm. Overall the performance of the tool designed is quite good, this can be seen from the results of the calculation of the average percent deviation that is 4.1%.