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Copy file name to clipboardExpand all lines: content/hardware/02.hero/boards/uno-r4-wifi/tutorials/cheat-sheet/cheat-sheet.md
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@@ -137,6 +137,8 @@ The default resolution is set to 10-bit, but can be updated to 12 and 14-bit res
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-`analogReadResolution(12)`
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-`analogReadResolution(14)`
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To learn more about the ADC capabilities of the UNO R4 WiFi, check out the [ADC-Resolution Guide](/tutorials/uno-r4-wifi/adc-resolution).
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### OPAMP Pins
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The **RA4M1** has an internal OPAMP that is exposed on the UNO R4 WiFi as follows:
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analogWriteResolution(12);
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```
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To learn more about the DAC capabilities of the UNO R4 WiFi, check out the [DAC Guide](/tutorials/uno-r4-wifi/dac).
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## RTC
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A real-time clock (RTC) is used to measure the time, and is useful in any time-tracking applications.
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```
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To learn more about the RTC capabilities of the UNO R4 WiFi, check out the [RTC Guide](/tutorials/uno-r4-wifi/rtc).
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## EEPROM
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EEPROM, also referred to as 'data' memory, is type of memory that can retain data even after the board has been powered off.
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Read more in the [Guide to EEPROM](/learn/programming/eeprom-guide).
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To learn more about the EEPROM capabilities of the UNO R4 WiFi, check out the [EEPROM Guide](/tutorials/uno-r4-wifi/eeprom).
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## SPI
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This support is enabled by the [keyboard](https://www.arduino.cc/reference/en/language/functions/usb/keyboard/) and [mouse](https://www.arduino.cc/reference/en/language/functions/usb/mouse/) libraries that are pre-bundled into the core and require no installation.
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To learn more about the HID capabilities of the UNO R4 WiFi, check out the [HID Guide](/tutorials/uno-r4-wifi/usb-hid).
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## CAN Module
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The UNO R4 WiFi's RA4M1 has a built-in CAN module that complies with the CAN 2.0A/CAN 2.0B standard.
***Please note that without a CAN transceiver it is not possible to communicate with other CAN devices.***
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To learn more about the CAN capabilities of the UNO R4 WiFi, check out the [CAN Guide](/tutorials/uno-r4-wifi/can).
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## ESP32-S3-MINI-1-N8
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By default, the ESP32-S3 module onboard the UNO R4 WiFi acts as a Serial bridge, handling the connection to your computer. It also handles the rebooting of the main MCU, the Renesas RA4M1 when it is needed, for example when receiving a new sketch and resetting.
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The ESP32 onboard the UNO R4 WiFi is used to give the board Wi-Fi® capabilities. The Wi-Fi® module has a bitrate of up to 150 Mbps. The ESP32 module has a built in trace-antenna, meaning that you do not need an external one to use the connectivity features of the board. However, this trace antenna is shared with the Bluetooth® module, which means that you cannot use Bluetooth® and Wi-Fi® at the same time.
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To learn more about the WiFi capabilities of the UNO R4 WiFi, try out the [Network Examples](/tutorials/uno-r4-wifi/wifi-examples).
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### Bluetooth®
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Thanks to the ESP32 module, the UNO R4 WiFi has Bluetooth® LE and Bluetooth® 5 capabilities, at a speed of up to 2 Mbps. The ESP32 module has a built in trace-antenna, meaning that you do not need an external one to use the connectivity features of the board. However, this trace antenna is shared with the Bluetooth® module, which means that you cannot use Bluetooth® and Wi-Fi® at the same time.
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