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without shaft (NEMA 17)
8500mAh Battery for long term use
Each relay has both normally open (NO) and normally closed (NC) as well as the common available on three terminals
The temperature & humidity sensor used in S31B-NB is SHT31
Pololu 3.3V, 2.5A Step-Up/Step-Down Voltage Regulator S13V25F3 hub-labor without shaft (NEMA 17)The S13V25Fx family of efficient switching regulators (also called switched mode power supplies (SMPS) or DC to DC converters) use a buck boost topology to convert both higher and lower input voltages to a regulated output voltage. They take input voltages from 2. 8 V to 22 V and increase or decrease them as necessary, offering a typical efficiency of over 85% and typical continuous output currents between 1 A and 3 A. The flexibility in input voltage
