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. 2021 Oct 24;21(21):7041. doi: 10.3390/s21217041

Table 9.

Cost of components for the ECDL with a battery power supply.

Description Number Unit Price (€) Total (€)
Microcontroller Arduino Nano 2 20.00 40.00
Dragino LoRa Bee 1 14.50 14.50
INA219 1 1.70 1.70
Battery 1 32.96 32.96
PCB board 1 0.40 0.40
Relay 1 0.27 0.27
Box container 1 2.54 2.54
Auxiliary material and wiring - 1.05 1.05
Total cost 93.62