US$ 49.00
Power Bank Evaluation: Measure real output capacity and compare actual performance against manufacturer claims
or charging ports with full waterproofing
1x Buzzer (Active) - Piezoelectric buzzer for alarms
and appliances remotely via Wi-Fi using the Blynk app or a custom web dashboard hosted on the NodeMCU itself
High LED Density at 60 LEDs per meter delivers superior brightness uniformity with minimal dark spots
Orange 22.2V 3300mAh 35C 6S Lithium Polymer Battery Pack 125KHz Android Phone MicroUSB RFID Reader Power Bank Evaluation: Measure realOrange 22. 2V 3300mAh 35C 6S Lithium Polymer Battery Pack
US$ 49.00
US$ 39.99
US$ 29.99
US$ 22.50
US$ 39.00
US$ 39.00
US$ 34.99
US$ 29.99