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Update README.md

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Hou Wen Xiang 2018-07-15 12:52:55 +08:00
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examples/peripherals/rmt_nec_tx_rx/README.md
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# Example: rmt_nec_tx_rx
This example uses the remote control (RMT) peripheral to transmit and receive codes for the NEC infrared remote protocol.
# _RMT NEC_TX_RX Example_
(See the README.md file in the upper level 'examples' directory for more information about examples.)
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### Hardware Required
To run this example, you need to prepare a development board with esp32 SoC(e.g., ESP32_Core_board, ESP-WORVER_KIT etc) and a USB cable for power supply and programming.
* A development board with ESP32 SoC (e.g., ESP32-DevKitC, ESP-WORVER-KIT, etc.)
* A USB cable for Power supply and programming
By default, this example runs a self test which assumes the TX pin (GPIO18) and RX pin (GPIO19) are _connected together_.
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* Programming fail
* To check whether the hardware connection of UART is correct, you can run `make monitor` and reboot your board to see if there are any output logs.
* Your download baud-rate is too high. please lower your download baud-rate in menuconfig and try again.
* Hardware connection is not correct: run `make monitor`, and reboot your board to see if there is any output logs.
* The baud rate for downloading is too high: lower your baud rate in the `menuconfig` menu, and try again.
If any problems that can't be resolved, please open an issue in GitHub(https://github.com/espressif/esp-idf/issues), we will reply to you soon.
For any technical queries, please open an [issue] (https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon.