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smartphone detection
Integrated WiFi
Screw Size： M3
This module for the chip TM1638
Note: Raspberry Pi mian board and case are not included
1A 9V, 12V, 18V MPPT Solar Panel Battery Charge Controller mosquito upgrade smartphone detectionFeatures: 1A 3. 2 18. 5V multi function battery charger with photovoltaic cell MPPT function. Complete charge controller for single or multi cell lithium battery. The maximum load current current output is 1A, but you can change the current by changing the value of the RCS resistor. When the battery is absent, it can be used as a voltage source. Automatic charging, battery overvoltage protection. Specification: MPPT Solar Panel Controller Module Input
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