Description

This module enables you to easily add USB connectivity to your microcontroller, suitable for Arduino models without serial interface chip such as Pro Mini, Lilypad 328P, etc.

Note : This module does not have breakout DTR pin, you may need to reset the microcontroller manually every time during upload the code into your Arduino (or other microcontroller) board.

Features

• On-board CH340 USB-RS232 interface converter chip
• On-board power indicator
• On-board USB male plug for easy computer connection
• TTL chip pins have been routed out to facilitate communication with the MCU
• Operating voltage : 5 V
• Board Size : 18.2 x 15 mm

Attachments

• Datasheet – CH340
• Schematic