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USB-to-TTL Interface Module
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USB-to-TTL Interface Module

Order Code: USB2NCT
Price: USD $19.00

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Product Info

This module was designed to plug into a solderless breadboard alongside any TTL NanoCore12 or neCore12 module, providing a USB interface and power.  It can also be used with our BOBESP12 WiFi module for breadboarding IoT applications. It features an on-board 3.3V regulator, and offers selectable 3V/5V power for your target from the USB port, with fuse protection. Compact layout, features a 2-pin power connector designed to plug directly into your breadboard's power and Ground buss strip.


  • provides USB-to-TTL interface function for any TTL NanoCore12 MCU module (not compatible with RS232 versions) or an neCore12 MCU module configured for TTL mode
  • works with our BOBESP12 WiFi module for easy breadboarding of IoT applications
  • generic design can be used in breadboard with virtually any microcontroller module
  • brings out TTL levels of TXD, RXD, and DTR signals
  • based on FT232R chip made by FTDI
  • brings 5V from USB to power target (jumper selectable)
  • on-board 3.3V regulator can supply target power for low-voltage operation
  • standard miniB USB connector
  • green and yellow activity LEDs provided for RX and TX monitoring
  • 500mA polyfuse protects host computer's USB port from accidental shorts
  • small footprint (0.725x0.85 inches; 18.5x22mm)
  • 4-pin row on 0.1" centers lines up with target module pins 1 through 4 via solderless breadboard
  • 2-pin power connector plugs into solderless breadboard power bus strip (compatible with most breaboards)
  • jumper selectable 3.3V or 5V (or none)

Product Details

Your target board and attached circuitry can draw up to 500mA from a USB port on your computer; less, if it is plugged into a hub


Drivers for the FT232R USB chip used in this design are available from

The schematic diagram for this board is available here

App note:  Configuring Virtual ComPorts



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