Autonomous WiFi Sensor for Heating Systems in the Internet of Things

Table 4

Energy harvesting block comparison with other relevant studies.

	Desai et al. [30]	Lhermet et al. [31]	Wang et al. [16]	This work
	100 mV	1 V	250 mV	185 mV
	470 µJ	480 µJ	1.02 mJ	1.1 mJ
Efficiency	68%	35%	25%	42%
	1.8–5.5 V	3.3 V	3.3 V	3.3 V