ARD-FTDI FTDI Serial Adapter 5V / 3.3V Logic levels
Scratching your heading, searching through the pile of tangled cables, found the 5v logic cable but you need the 3.3v cable? Eliminate this scenario all together with this FTDI Serial Adapter chip. Contains 6 pins and a mini USB B to USB A connector to interface with your Arduino Pro Mini, Raspberry pi and plethora of sensors. The 3.3v to 5v switch allows you switch the logic level voltage for any device you may want to connect. No need for downloading drivers as they come in pre-installed with genuine FT232 chips, last tested with Arduino IDE 1.7.4 on windows 10. So go ahead reward yourself with this 4.5 (L) x 1.8 (W) x 0.6 (H) cm device and tuck it neat and nicely in your storage bin for future easy, tangle free programming.
Pinout Diagram of arduino pro mini 3.3v to FTDI :
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