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examples

Examples

This folder has more than 20 examples that might help you to use the Si4735 Arduino Library in your project. If you find some error or problem during your implementation, please let me know.

This project is about a library to control the SI47XX devices and the focus of this project is the library and its functionalities. Please, don't ask me to assist you in your: displays, encoders, buttons or something else out the library scope. Thanks.

Before using this examples, you most install the "PU2CLR SI3735 Arduino Library" on your Arduino IDE. Also be aware about other libraries that are eventually used to control LCD, OLED, TFT display, encoder etc. These libraries are referenced in the sample sketches themselves.

It is important to know tha the author of this library just try to show how you can use this library and the Si4735 device in your appication. Other devices used in some examples like encoders, buttons and display (OLED, LCD or TFT) are not the focus of this subject. Said that, it is possible some implementation using theses devices might need different approaches than used here.

The most of the sketches has been developed to run on cross-plataform (ATmega328, Mega2560, DUE, ATmega-32u4, ESP32, ATtiny85 etc). However, in some cases, it was not possible due to hardware limitations in some board. Each sketch has the set of boards you can run it.

It is strongly recommended running these examples with the latest version of the Si4735 Arduino Library. If you are using earlier versions of this library, some examples may not work correctly. Please, check if you are using the last release of this library.

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If you have saved the examples in your personal folder, it is important to know the last versions of these examples come with the each new release of the library. Probably, some examples was also fixed or optimized. So, check if you are using the last version of the example too.

About the examples folders

  • The folder SI47XX_01_SERIAL_MONITOR has basic examples using the Arduino Serial Monitor as the human interface. By using the examples of this folder, you will do not need any external device to control the Si4735. All you have to do is turning on the Serial Monitor. These examples are usefull to test your circuit board and help you understand the use of the Si4735 Arduino Lirary.
  • The folther SI47XX_02_LCD_20x4_I2C has some examples that show how you can build a radio based on Si473X using the regular LCD20x4 with a I2C adapter device.
  • The folder SI47XX_03_OLED_I2C has some examples that show how you can build a radio based on Si473X using the regular I2C OLED. They are very similar to the LCD20x4 sketches. The main difference is the Arduino Library controller of these devices.
  • The folder SI47XX_04_TFT has some example with TFT and touch screen as an human interface to control the radio based on Si473X.
  • The folder SI47XX_05_ATTINY85 has examples of using the Si4735 Arduino Library running on ATtiny85.
  • The folder SI47XX_06_ESP32 has examples that use some great resources of the ESP32 boards. It is worth mentioning that the most of the other examples can also run on ESP32.
  • The folder SI47XX_07_STM32 has examples of using the STM32F103 Series.
  • The folder SI47XX_08_TM1638 has examples of using the TM1638 device (7 segments display, push buttons and LEDs).
  • The folder SI47XX_09_NOKIA_5110 has examples of using the NOKIA display.
  • The folder SI47XX_10_RDS has examples of using FM RDS/RBDS features of the Si4735 Arduino Library.

Main sketch examples

sketch name description
SI4735_01_POC.ino Circuit test. Receiver AM (MW and SW) and FM. This sketch uses the Arduino IDE Serial Monitor
SI4735_03_POC_SSB.ino This receiver implements shows how to use patch and SSB via Arduino IDE Serial Monitor
SI473X_04_ALL_IN_ONE.ino This sketch uses I2C LiquidCrystal/LCD, buttons and Encoder. It is a receiver FM, AM (MW and SW) and SSB (LSB and USB)
SI4735_02_ALL_IN_ONE_OLED.ino This sketch uses I2C OLED/I2C, buttons and Encoder. It is a FM, AM (MW and SW) and SSB (LSB and USB)
SI47XX_01_TFT_ILI9225/SI47XX_01_TFT_ILI9225.ino This sketch uses an Arduino Pro Mini, 3.3V (8MZ) with a SPI TFT from MICROYUM (2" - 176 x 220). It is also a complete radio capable to tune LW, MW, SW on AM and SSB mode and also receive the regular comercial stations.
SI47XX_02_TFT_TOUCH_SHIELD/SI47XX_02_TFT_TOUCH_SHIELD.ino This sketch uses the mcufriend TFT touch Display Shield. You can use it on Mega2560 and Arduino DUE. It is a receiver FM, AM (MW and SW) and SSB (LSB and USB)
SI47XX_02_RDS_TFT_TOUCH_SHIELD/SI47XX_02_RDS_TFT_TOUCH_SHIELD.ino This sketch uses the mcufriend TFT touch Display Shield. You can use it on Mega2560 or DUE. It is a FM/RDS, AM (LW,MW and SW) and SSB example
SI47XX_10_RDS/SI47XX_03_RDS_TFT_ILI9225 FM/RDS AM and SSB receiver. This sketch uses an Arduino Pro Mini, 3.3V (8MZ) with a SPI TFT from MICROYUM (2" - 176 x 220). It is also a complete radio capable to tune LW, MW, SW on AM and SSB mode and also receive the regular comercial stations
iOS and Android Remote Control This example shows a way to use your smartphone as a remote control.

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