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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Reserve from the case
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
HLK SW16 16 Channel WiFi Controlled Relay Board
2A at idle and up to 2
3V power supply with integrated voltage regulation for stable operation
adequate airflow clearance
4S 18650 Li-po Lithium Battery Capacity Indicator Module DHT11 Humidity and Temperature Sensor Module (Pack of 25) HLK SW16 16 Channel WiFi4S 18650 Li po Lithium This battery type capacity indicator module display shows the display is more intuitive and more beautiful. A wider range of applications, nickel metal hydride batteries, 18650 and polymer lithium battery packs, lead acid storage, electric vehicle batteries, electric equipment can be used. This display has a reverse connection function, even if the positive and negative connection will not burn. To use the display just connect
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