Difference between revisions of "FTDI serial"

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== pinout ==
== pinout ==
The 3 pin connector is connected as follows  
The 4 pin connector is connected as follows  
<table border=1>
<table border=1>

Revision as of 16:30, 12 January 2015

This is the documentation page for the FTDI-serial board.


The FTDI-serial board has an USB connector and a 3-pin serial/UART connector. The brains of the PCB is an FT232RL chip.

External resources


The 4 pin connector is connected as follows

1Ground (G)
2Rx (R)do not drive at 5V level if jumper is set to 3.3v.
probably works if driven at 3.3V with jumper at 5V.
3Tx (T)works at 5V or 3.3V level depening on jumper
4V+5V or 3.3V depending on jumper
  • led1 is connected to CBUS0 (Tx activity)
  • led2 is connected to CBUS1 (Rx activity)
  • led3 is connected to VCC

Jumper settings

IO voltage
1-2: 3V3 (jumper near C2)
2-3: 5V (jumper near the edge of the board

future hardware enhancements



  • Size reduced considerably
  • Added an VCC pin to the Rx/Tx connector


  • Initial public release