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Comes with a very compact (but very good quality) RTL2832+R820T module with an MCX RF connector
the input must be at least 6 V to ensure the output is the full 5 V
2V Lithium Ion or Lithium Polymer battery charger
PA1616S module datasheet
RF design means no line of sight issues
Pololu 3.3V Step-Up/Step-Down Voltage Regulator S7V8F3 updated 12-22 Comes with a very compactThe S7V8F3 switching step up step down regulator efficiently produces a fixed 3. 3 V output from input voltages between 2. 7 V and 11. 8 V. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below the regulated voltage. The compact (0. 45 0. 65) module has a typical efficiency of over 90% and can deliver 500 mA to