SECHA: A Smart Energy-Efficient and Cost-Effective Home Automation System for Developing Countries

Table 1

Material used.

	Items	Device type	Quantity
1	ESP32 Wi-Fi module	ESP32	1
2	GSM module	SIM800 MODULE	1
3	ESP32-CAM	—	1
4	DHT11 sensor	—	1
5	Relay module	Electromagnetic relays	1
6	PIR sensor	—	1
7	LDR module	—	1
8	MQ2 gas sensor	—	1
9	Soil moisture sensor	—	1
10	Fingerprint sensor	TTL (GT-521F32)	1
11	Flame sensor	—	5
12	LCD	—	1
13	Fan	—	1
14	Water pump	—	2
15	5 V power supplies	—	1
16	Solenoid lock	—	1
17	Buzzer	—	1
18	PUSH-BUTTON	—	1
19	Resistors	220 ohm	5
20	Jumper wires	—	12