==== Silicon Labs cp2104 ====
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This is a high speed USB UART with GPIO.

=== CnewteC CNT-003 (pictured) ===
The CNT-003 is designed for Arduino and has a built-in 100nF capacitor on DTR.

=== Linux ===

== udev /dev/ttyCP2104 ==

<code>
KERNEL=="ttyUSB*",\
    ATTRS{idVendor}=="10c4",\
    ATTRS{idProduct}=="ea60",\
    ATTRS{serial}=="009D5022",\
    GROUP="dialout",\
    MODE="0660",\
    RUN+="/bin/ln -sf %k /dev/ttyCP2104"
</code>

== udev by-id ==

<code>
/dev/serial/by-id/usb-Silicon_Labs_CP2104_USB_to_UART_Bridge_Controller_009D5022-if00-port0
</code>
=== Pickle Microchip PIC ICSP ===


GPIO bit-bang on the CNT-003 is supported using the CP210x_VCP_Linux_3.13 kernel driver.
=== Resources ===
[[https://www.silabs.com/Support%20Documents/TechnicalDocs/cp2104.pdf|Data-sheet]]