# Blheli ESC FLashing
[RS30A Bheli_s ESC](
https://sea.banggood.com/Racerstar-RS30A-30A-Blheli_S-OPTO-2-4S-ESC-Support-Oneshot42-Multishot-for-FPV-Racing-p-1063907.html)
[video guide to flash esc](
https://www.youtube.com/watch?v=61bjFxJyOLU)
use this for flashing
BLHeliSuite16714902 [Link]( https://drive.google.com/drive/folders/1Y1bUMnRRolmMD_lezL0FYd3aMBrNzCig)
#### Steps for flashing RS30A Bheli_s ESC
1. Using Arduino Nano
1. Flash PD3PDv14400 hex to Nano using Suite
2. Suite - Select ATMEL / SILAB Interface - ATMEL SK Bootloader (4way-if)
3. ESC Connected to Gnd and 3 of nano
4. ESC - Connect esc to 12v
5. Suite - Connect to esc in Suite with right com port (used windows)
6. Suite - Read from ESC
7. Suite - motor direction to bi-directional
8. Suite - Write to ESC
9. Suite - read from ESC to check
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Others
download
https://github.com/bitdump/BLHeli
https://www.mediafire.com/folder/dx6kfaasyo24l/BLHeliSuite
flashing Arduino to flash firmware with BLheli suite
https://www.youtube.com/watch?v=61bjFxJyOLU
https://www.youtube.com/watch?v=86Q7sOXL6t0
BLheli suite comes in a Chrome app
https://blog.dronetrest.com/blheli-configurator-is-now-a-chrome-app/
Using a flight controller (FC) instead of Arduino
https://oscarliang.com/flash-blheli-s-esc-firmware-fc-pass-through/
[DC-DC](https://www.digikey.com/product-detail/en/texas-instruments/PTH08T260WAZ/296-21406-ND/1278927)
[DC-DC Datasheet](http://www.ti.com/lit/ds/symlink/pth08t261w.pdf)
Trace calculator, current power trace 10mils - max 1.5A
[Depth Sensor](https://bluerobotics.com/store/sensors-sonars-cameras/sensors/bar02-sensor-r1-rp/)
[Library](https://github.com/bluerobotics/BlueRobotics_MS5837_Library)