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@ -8,7 +8,24 @@ This example will shows how to configure and operate the remote control (RMT) pe
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### Hardware Required
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### Hardware Required
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To run this example, you need to prepare a development board with esp32 SoC(e.g., ESP32_Core_board, ESP-WORVER_KIT etc), a LED, a speaker or an earphone and a USB cable for power supply and programming.
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* A development board with ESP32 SoC (e.g., ESP32-DevKitC, ESP-WORVER-KIT, etc.)
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* A USB cable for Power supply and programming
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* A LED, a speaker or an earphone
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Connection :
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```
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330R LED
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GPIO18 +----/\/\/\----+------|>|-----+ GND
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+-+ | Speaker
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+-+ | earphone
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+--------------+ GND
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```
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### Configure the Project
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### Configure the Project
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@ -34,20 +51,6 @@ See the [Getting Started Guide](https://docs.espressif.com/projects/esp-idf/en/l
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To be able to see and hear the message output by the RMT, connect a LED and a speaker or an earphone (be careful - it may be loud) to the GPIO18(the pin can be changed by modify the definition of `RMT_TX_GPIO` in `main/rmt_tx_main.c`).
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To be able to see and hear the message output by the RMT, connect a LED and a speaker or an earphone (be careful - it may be loud) to the GPIO18(the pin can be changed by modify the definition of `RMT_TX_GPIO` in `main/rmt_tx_main.c`).
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```
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330R LED
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GPIO18 +----/\/\/\----+------|>|-----+ GND
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+-+ | Speaker
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+-+ | earphone
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+--------------+ GND
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```
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Run this example, you will see the following output log:
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Run this example, you will see the following output log:
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```
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```
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RMT Tx: Transmission complete
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RMT Tx: Transmission complete
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@ -58,7 +61,7 @@ RMT Tx: Sample transmission complete
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* Programming fail
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* Programming fail
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* To check whether the hardware connection is correct, you can run `make monitor` and reboot your board to see if there are any output logs.
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* Hardware connection is not correct: run `make monitor`, and reboot your board to see if there is any output logs.
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* Your download baud-rate is too high. please lower your download baud-rate in menuconfig and try again.
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* The baud rate for downloading is too high: lower your baud rate in the `menuconfig` menu, and try again.
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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.
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For any technical queries, please open an [issue] (https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon.
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