Skip to main content
. 2021 Nov 24;7:e780. doi: 10.7717/peerj-cs.780

Table 4. Experimental results summery using 18650 4800 mAh 3.7V lithium-ion battery.

Power mode Protocol Node state Power consumption Node lifetime Response time
Active BLE Server 76.4 mA 62 HRS 49 MIN 15 ms
BLE Client 74 mA 64 HRS 51 MIN
ESP-NOW Sender 129 mA 37 HRS 12 MIN 4 ms
ESP-NOW Receiver 121 mA 39 HRS 40 MIN
Deep-sleep ULP co-processor is powered on - 150 µA 32000 HRS -
ULP sensor- monitored pattern - 100 µA 48000 HRS -
RTC timer +RTC memory - 10 µA 480000 HRS -