Kenta Yonekura

Hi! I made a prototype of web interface for Eagle2Kicad. Sample is http://kicad.jp/Eagle2Kicad/ .

I found this sophisticated code should be ported to Py3. The goal of this PR is to support Py2 and Py3 simultaneously. I tested the code on Win10, Python 3.8.0,...

[rrcar_control] nodelet is not running properly

1

When controller_manager/spawner is loaded, nodelet will be stopped.

Add an example to trasmit RS422 signal

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This example modifies the [pio_uart_tx sample](https://github.com/raspberrypi/pico-examples/tree/master/pio/uart_tx) to implement RS-422 transmit functionality. It utilizes the PIO state machine to generate the differential signal directly, eliminating the need for an external line...