About the logic voltage and Arduino

Hi;

I'm planning to use the telemetry modules to connect to Arduinos using serial.

On the product page it says the RX-TX voltage is 3.3 volts. Should I use a voltage divider on the serial lines or the pins are 5v tolerant? (I will be using non 3v3 Ardu

Read more…

Mid-Flight Voltage drop

Hi,

i'm running an F550 frame with an APM (hkpilot 2.7) and E300 propulsion system (15A Opto esc's).

Whenever i'm in the air the battery voltage drops below 11 volts with a fully charged pack. My current readings are around 20A at full throttle. Im usi

Read more…