Table 1 System component and specification
From: Low-cost fuzzy logic-controlled home energy management system
Temperature sensor (NTC) | 10 KΩ resistor, 5 mm diameter, and 23 mm leg length |
Light sensor (LDR) | 5 mm body diameter, resistance ranging from 150Ω to 500KΩ |
Sound sensor | Microphone with 5 mm body diameter, 150Ω–500KΩ resistance, 2.2KΩ output impedance, 1–10 V operating range, max power 0.5 mA |
Motion sensor | Operating voltage range 3.3–15 V, motion detection distance 5 m, output time adjustable between 2.5 s and 1 h |
Precision clock module | Operating voltage range 3.3–5 V, 8 gr weight, programmable square wave output, internal AT24C32 memory (32 KB) |
HMI LCD | 480 × 272 Resolution, 16 MB internal memory, 2 KB RAM, micro sd card slot, 5 V operating voltage |
Microcontroller | 8-bit, 40 pins, 3.8 KB RAM, 64 KB program memory size |
12 V adapter | 100–240 V AC input voltage, 12 V output voltage, 29 A output current, 350W |
Model house and test cabin | Wooden model house with 40 cm width, 40 cm length, and 25 cm height |