Cytron CT-Uno ATmega328 compatible with Arduino

Index: CTN-12405

The Cytron module is equipped with the ATmega328 microcontroller compatible with Arduino Uno. It has 14 digital input/outputs, 6 PWM channels, 6 analog inputs, as well as popular communication interfaces. It has additional 2.54 mm holes at standard connections of Arduino, which allow you to create your own shield.

Cytron CT-Uno ATmega328 compatible with Arduino
€11.79 tax excl.
Discontinued product
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Manufacturer: Cytron


The product has been discontinued. Check other products incategory.


Cytron CT-UNO is fully compatible with popular moduleArduino Uno R3. This means that it can be programmed throughthe Arduino IDEusing available libraries. The so-calledArduino Shields will also collaborate with the Cytron module.

The board contains an ATmega328 microcontroller equipped with 14 digital I/o, 6 of which can be used as PWM outputs (e.g. for motor control), and 6 as analog inputs. The system works with a clock signal with a frequency of 16MHz. The module also has: a microUSB connector, RESET button, leads to connect the AVR programmer.

Cytron CT-UNO

CT-UNO has some differences in comparison to Arduino UNO:

  • Additional 2.54 mm holesat standard connections of Arduino
  • MicroUSB connector; instead of USB-B
  • FTDI FT231X chip 
  • ATmega328 SMD microcontroller 
  • White PCB

In order to start Cytron Uno, you must connect the system to PC usingUSB cable, install driver and select in the Arduino IDE,  the Arduino Uno board. Detailed user manual is onthe manufacturer's website.



The module can be powered viathe microUSB cableor through the DC connector.



Creating and installing software is allowed by the free environment of the Arduino IDE. Implemented bootloader allows you to send the program directly viaUSB cable. ISCP connector enables connection of an externalAVR programmer. A detailed description can be found in thedocumentationandtutorial.


Cytron CT-UNO


  • Supply voltage: 7 V to 12 V
  • Programmed via USB
  • Fully compatible withArduino Uno Rev3
  • Microcontroller: ATmega328
  • Maximum clock frequency: 16 MHz
  • SRAM: 2 KB
  • Flash memory: 32 KB (5kB reserved for bootloader)
  • EEPROM: 1 KB
  • I/O Ports: 14
  • PWM outputs: 6
  • Number of analog inputs: 6 (channels of A/C converter)
  • Serial interfaces: UART, SPI, I2C
  • External interrupts
  • Connector: microUSB socket (microUSB cable sold separately)
  • Soldered ISP connector
  • Power connector: DC 5.5 x 2.1 mm
  • Board sizes: 72 x 56 mm


Voltage to 7.0 V
Voltage from 15.0 V
Voltage output from 5.0 V
Output voltage to 5.0 V
Nominal output voltage 5.0 V
UC - Microcontroller ATmega328
UC - Core 8-bit AVR
UC - Flash 32 kB
UC - RAM 2 kB
UC - core 1. Single Core
UC - Digital pins 14
UC - analog in 6
UC - freq 16 MHz
UC - A/C 10-bit
UC - PWM 6
UC - USB microUSB
UC - I2C yes
UC - UART yes
UC - SPI interface yes
Package width 9.5 cm
Package height 2.5 cm
Package depth 6.5 cm
Package weight 0.036 kg

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