CP2104 USB TTL Serial Converter

 

Description:-

Used for programming Arduino Pro Mini.

Need to install driver, driver download link:-

www.silabs.com/products/mcu/pages/usbtouartbridgevcpdrivers.aspx

 

Connection for programming Arduino Pro Mini 5V Version with a CP2104 USB TTL serial Converter is as followed:-

CP2104 <------>Arduino Pro Mini 5V Version

DTR<------>DTR

RXD<------>TXO

TXD<------>RXI

5V<------>VCC

GND<------>GND

Total 5 line connection.

CP2104 side 3.3V pin no need to connect.

Pro Mini side another GND pin no need to connect.(there are two GND pin, connected one is enough)

 

 

Connection for programming Arduino Pro Mini 3.3V Version with a CP2104 USB TTL serial Converter is as followed:-

CP2104 <------>Arduino Pro Mini 3.3V Version

GND<------>GND

3.3V<------>VCC

TXD<------>RXI

RXD<------>TXO

DTR<------>DTR

Total 5 line connection.

CP2104 side 5V pin no need to connect.

Pro Mini side another GND pin no need to connect.(there are two GND pin, connected one is enough)

 

Package included:-

1. CP2104 USB TTL serial Converter Module board

2. Dupont Wires with Female to Female headers X5 lines