Main Chip: Nano V3.0 board uses ATMEGA328P-AU as main chip. Support ISP download, USB download and power supply. Fully compatible with Arduino Nano, Windows, MAC and Linux operating systems | Upgrade USB Bus Adapter Chip: Upgrade CH340G chip, not FT232, please install the driver first. CH340G supports full-speed USB device interface, compatible with USB V2.0, achieve USB to serial or USB to print port implementation | Power Supply: Nano board can be powered via Type-C connection, 7-12V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source, without the need for a power selection jumper | Perfect Design: Nano V3.0 is a smallest, complete and breadboard friendly board. The board has 14 digital I/O pins, 6 PWM outputs, 8 analog inputs. It is enough for most applications | What You Get? You will get 3pcs pre-soldered Nano board and 1pcs 30cm/11.81-inch Type-C cable

Main Function: Based on ATmega32U4 microcontroller, bulit-in USB interface transceiver, Pro Micro Board is suitable for projects requiring USB interface and programmable functions. Use it now to experience the ease of programming and rapid development capacity with the Pro Micro, unleash your creativity | Versatile Connections: Pro Micro has 4 x 10-bit ADC pins, 12 x digital I/Os (5 are PWM capable) and RX and TX serial hardware connections, rich hardware connection options, have all the ports you need | Easy to Programming: Pro Micro development board runs at 5V/16MHz, supported under IDE V1.0.1. Seamlessly integrate the Pro Micro into your projects by selecting the "Arduino Leonardo" in the tools menu of the Arduino IDE software | Widely Application: You can add some components to make a programmable keyboard; use Timer 4 on the ATmega32U4 processor to implement a variable frequency generator; use it as a frequency counter to read the frequency; combine it with the EC11 encoder to design a media controller and so on | Good Compatibility: Pro Micro is seamless integrated with the Arduino IDE and the extensive development tools and libraries make it a good choice for beginners. Pro Micro opens up a world of possibilities for your creative projects

Stable Chip: At the heart of the CP2102 is the CP210x chip, a highly integrated USB-to-UART bridge featuring low power consumption and high performance. It supports the Full Speed USB 1.1 specification, provides data transfer rates up to 12Mbps, and is compatible with USB 2.0. | Favorable Compatibility: This device was easy to use on my MacOS, Windows 10/11, and Linux machines. | Versatile And Easy To Use: Supports 3.3V, RST, TXD, RXD, GND & 5V. Sits snug in the USB port, no risk that data connection is being interrupted during data transfer. | Equipped With Indicator Light: the status indicator light will be always on after correctly installing the driver, and the transceiver indicator light will flash when communicating, and the higher the baud rate, the lower the brightness. | Baud Rate: Support from 300 bps to 1.5 Mbps.