We're still open and shipping, however, Japan post will refuse to send EMS or Airmail to the locations listed in this document, please check it: https://www.post.japanpost.jp/int/information/2020/0618_01_01_en.pdf Domestic (within Japan) shipping is NOT affected. Update 4/23/2020: Shipping to USA is now not accepted as well. We're working on a solution for this, please stay tuned.

Precision I2C to PWM Converter for Standard ESC [ST]


This is a protocol converter designed to allow using standard ESC (Motor Controller) with I2C-based flight controllers such as MikroKopter. This converter uses ST chip for precise hardware PWM output.



  • I2C input from Mikrokopter or similar Flight Control supporting same I2C protocol
  • NEW I2C input from LotusRC T580 Flight Control (only supports 4 motors in this configuration)
  • output PWM signal suitable to standard motor controllers
  • supports 4 or 6 or 8 or 3 motor configuration
  • Configurable PWM frequency from 100 to 500Hz
  • Configurable emergency throttle in event of I2C disconnection
  • Configurable PWM pulse start / end points for custom ESC
  • Serial-console for configuration and firmware upgrade
  • Bind-plug feature to automatically calibrate all connected ESCs
  • Power by LiPo (up to 4S tested), 5V from 1st ESC (default), or external 5V from FC
  • RoHS-compliant

User's Manual

Users from EUROPE who would like faster shipping inside EU can order the same product here: http://mikrokopter.altigator.com/i%C2%B2c-to-pwm-converter-for-standard-controllers-i2c2pwm-p-40611.html

Firmware downloads:

i2c_conv_st-2011.04.21.zip Latest standard firmware (Mikrokopter and compatible)
i2c_conv_st-2011.05.19-T580.zip Latest T580-compatible firmware
Firmware update utility and update instructions

Support/info thread

Converter programming example for dsPIC33F (applicable to any other micro)


Add to Cart:

  • Model: ICONV_V2
  • Shipping Weight: 0.05kilograms
  • 25 Units in Stock
  • Manufactured by: AbuseMarK

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This product was added to our catalog on Tuesday 15 March, 2011.

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