New! JeonLab mini v1.3 (Arduino compatible)

JeonLab mini v1.3 assembled 1

This new version of JeonLab mini is a solderless breadboard friendly Arduino compatible board with minimal components. The key features of this board are:

  • Arduino bootloader loaded ATmega328p (28-pin DIP)
  • 3 resistors and a capacitor are attached to the bottom as they are thinner than the height of the header plastic
  • all through-hole components
  • pins for the FTDI connector for program (sketch) load or USB-serial communication
  • no power regulator
  • 2 LEDs for the power and d13 pin
  • 16MHz ceramic resonator with built-in capacitors

JeonLab mini v1.3 assembled bottom

JeonLab mini v1.3 on bread board with FTDI

Pin arrangement:

JeonLab mini 1.3 pins

JeonLab mini v1.3 schematic


Opto-mechatronic Engineering scientist.

Posted in Arduino, JeonLab mini
7 comments on “New! JeonLab mini v1.3 (Arduino compatible)
  1. Brian says:

    By your projects, circuit board and sharing – you – are inspiring others to grow and learn. Thank you. This is motivating.

  2. jeonlab says:

    Thank you for your comment, again. Stay cool. It gets hotter. šŸ˜‰

  3. hafiz says:

    hi…can i know where can i buy that usb ftdi converter module? thanks

  4. Hi Jeon – I have assembled your mini board, and connected a sparkfun FTDI USB breakout so that the power light is on, and pin three is on a 3 blink – one second delay cycle, so I believe assembly, etc, is correct. However, I cannot upload a sketch to the module from the Arduino IDE. My first guess is that I am not selecting the appropriate board type from the Tools menu – is the Mini 1.3 compatible with any of the existing board types, or does it need its own drivers?

    Apologies if this has been answered on your site already, I think I’ve read over the appropriate sections, and haven’t found (or been able to understand šŸ™‚ the answer

    Thank you, and cool product!


  5. jeonlab says:

    Tom–I’m glad you figured it out. Enjoy!

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