Sensor Kualitas Udara dan Gas LPG MQ2-MQ135 dan NodeMCU ESP8266 Jurnalku by Fajar Himawan, S.PdOctober 14, 2023Alat Deteksi Kualitas Udara / Gas LPG Kaki LCD i2c i2c => NodeMCU Esp8266 GND => G VCC => 3.3V SDA => D2 SCL => D1 Kaki Senso...