4 in 1 esc burned, does this solution work?

V

vortix

Well-Known Member
long story short, my 4 in 1 esc burned the moment i plugged it in my 2s battery. im guessing that i connected it backwards the first time or something. either way, it seems that only the one part that seems to stop working is the ground and V that goes out for the controller. since im using Arduino nano, i was thinking, can i just do what you see below? or is that a really bad idea?


Nafn.jpg
 
I don't think that would work how you want assuming the board part is the FC. Way it's drawn there is basically parallel connection from the battery to the FC and to the Nano which means both of them get the full power (voltage of the battery, and current flows separately to each from the battery). My guess is you're basically wanting to use the linear voltage regulator on the nano to give power to the FC but basically need to look up which voltage regulator is on that nano board (look for "datasheet" + part number to get max amp specs), if the max amps the linear regulator can supply is enough for the Arduino MCU and the flight controller board then you could feed out the GND and 5V from the nano but there would be two wires from battery to nano power input then separately two wires from nano to the FC.

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One more edit only way above picture would work is if the FC can take full power of the battery and has it's own voltage regulator.

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Bah just remembered you were planning to use the nano as the FC so yah I guess let me know what the black square is and can maybe give more direct answer.
 
wafflejock said:
I don't think that would work how you want assuming the board part is the FC. Way it's drawn there is basically parallel connection from the battery to the FC and to the Nano which means both of them get the full power (voltage of the battery, and current flows separately to each from the battery). My guess is you're basically wanting to use the linear voltage regulator on the nano to give power to the FC but basically need to look up which voltage regulator is on that nano board (look for "datasheet" + part number to get max amp specs), if the max amps the linear regulator can supply is enough for the Arduino MCU and the flight controller board then you could feed out the GND and 5V from the nano but there would be two wires from battery to nano power input then separately two wires from nano to the FC.

---

One more edit only way above picture would work is if the FC can take full power of the battery and has it's own voltage regulator.

---

Bah just remembered you were planning to use the nano as the FC so yah I guess let me know what the black square is and can maybe give more direct answer.
Click to expand...


too late, i already replaced it but i got a new problem for ya :)! im trying to replace the arduino with Teensy which has higher clock speed. Problem is, teensy cant take the 7.2 that the ESC is producing that the nano can handle. How do i reduce the power so that i dont burn the teesny? it was suggested to that i should just used a resistor but im really skeptical that this is a good idea.
 
vortix said:
too late, i already replaced it but i got a new problem for ya :)! im trying to replace the arduino with Teensy which has higher clock speed. Problem is, teensy cant take the 7.2 that the ESC is producing that the nano can handle. How do i reduce the power so that i dont burn the teesny? it was suggested to that i should just used a resistor but im really skeptical that this is a good idea.
Click to expand...
You can use two resistors to create a "voltage divider", other couple options are a "linear voltage regulator" or for efficiency could use a buck converter but bigger part so some trade off there. Some links

Voltage Dividers - SparkFun Learn

learn.sparkfun.com

Amazon.com: 8 Pack Ultra Small MP1584EN DC-DC Buck Converter 3A Power Adjustable Module 24V to 12V 9V 5V 3V: Home Audio & Theater

Amazon.com: 8 Pack Ultra Small MP1584EN DC-DC Buck Converter 3A Power Adjustable Module 24V to 12V 9V 5V 3V: Home Audio & Theater
www.amazon.com

(15 Pieces) MCIGICM IC 7805 Voltage Regulator, L7805 Linear Positive Fixed 1 Output 5V 1.5A https://www.amazon.com/dp/B07BDFMQF6/ref=cm_sw_r_cp_apa_i_UyxHDbRKZYT1V
 
wafflejock said:
You can use two resistors to create a "voltage divider", other couple options are a "linear voltage regulator" or for efficiency could use a buck converter but bigger part so some trade off there. Some links

Voltage Dividers - SparkFun Learn

learn.sparkfun.com

Amazon.com: 8 Pack Ultra Small MP1584EN DC-DC Buck Converter 3A Power Adjustable Module 24V to 12V 9V 5V 3V: Home Audio & Theater

Amazon.com: 8 Pack Ultra Small MP1584EN DC-DC Buck Converter 3A Power Adjustable Module 24V to 12V 9V 5V 3V: Home Audio & Theater
www.amazon.com

(15 Pieces) MCIGICM IC 7805 Voltage Regulator, L7805 Linear Positive Fixed 1 Output 5V 1.5A https://www.amazon.com/dp/B07BDFMQF6/ref=cm_sw_r_cp_apa_i_UyxHDbRKZYT1V
Click to expand...

thank you but it seems that i found the ultimate Board for what i need. A Nano BTE 33. Bluetooth + IMU (all three, Acc,Magn and Gyro) And as fast as the teensy. Seems like a fantastic deal. Thank you regardless :D

 
No problem yah there are a lot of boards based on ESP32 or Esp8266 that have Bluetooth and wifi but great you found one with the inertial measurement unit stuff too
 
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