diff --git a/content/hardware/03.nano/boards/nano-r4/datasheet/datasheet.md b/content/hardware/03.nano/boards/nano-r4/datasheet/datasheet.md
index 12ddc1a38a..50ecf21b63 100644
--- a/content/hardware/03.nano/boards/nano-r4/datasheet/datasheet.md
+++ b/content/hardware/03.nano/boards/nano-r4/datasheet/datasheet.md
@@ -43,19 +43,19 @@ The Nano R4 is an evolution of its predecessor, the Nano Classic, which was prev
 The board features the standard 14x digital I/O ports, 8x analog channels, dedicated pins for I2C, SPI and UART
 connections. Compared to its predecessors the board has a much larger memory: 8x times more flash memory (256 kB) and 16x times more SRAM (32 kB).
 
-| Feature               | Description                                                                                                      |
-| --------------------- | ---------------------------------------------------------------------------------------------------------------- |
-| Microcontroller       | R7FA4M1AB3CFM 32-bit Arm® Cortex®-M4                                                                             |
-| Frequency             | 48 MHz                                                                                                           |
-| Internal Memory       | 256 kB Flash / 32 kB RAM / 8 kB EEPROM                                                                           |
-| USB Connectivity      | USB-C® port for power and data                                                                                   |
-| Power                 | Input voltage (VIN): 6-21 V / Power via USB-C® at 5 V                                                            |
-| Digital Inputs        | GPIO (21x - All exposed I/O can be used as digital), PWM (6x)                                                    |
-| Analog Inputs         | 14-bit ADC (8x)                                                                                                  |
-| Real-time Clock (RTC) | Yes (external crystal oscillator included)                                                                       |
-| Communication         | UART (1x), I2C (2x) (5 V over breakout and 3.3 V over Qwiic), SPI (1x), CAN (external transceiver required) (1x) |
-| Dimensions            | 18 mm x 45 mm                                                                                                    |
-| Operating Temperature | -40 °C to +85 °C                                                                                                 |
+| **Feature**           | **Description**                                                                                                                               |
+|-----------------------|-----------------------------------------------------------------------------------------------------------------------------------------------|
+| Microcontroller       | R7FA4M1AB3CFM 32-bit Arm® Cortex®-M4                                                                                                          |
+| Frequency             | 48 MHz                                                                                                                                        |
+| Internal Memory       | 256 kB Flash/32 kB RAM/8 kB EEPROM                                                                                                            |
+| USB Connectivity      | USB-C® port for power and data                                                                                                                |
+| Power                 | Input voltage (VIN): 6-21 V / Power via USB-C® at 5 V                                                                                         |
+| Digital Inputs        | GPIO (21x - All exposed I/O can be used as digital), PWM (6x)                                                                                 |
+| Analog Inputs         | 14-bit ADC (8x)                                                                                                                               |
+| Real-time Clock (RTC) | Yes (external crystal oscillator included)                                                                                                    |
+| Communication         | UART (2x: Serial: USB, Serial1: D0/D1), I2C (2x) (5 V over breakout and 3.3 V over Qwiic), SPI (1x), CAN (external transceiver required) (1x) |
+| Dimensions            | 18 mm x 45 mm                                                                                                                                 |
+| Operating Temperature | -40 °C to +85 °C                                                                                                                              |
 
 ### Microcontroller
 
diff --git a/content/hardware/03.nano/boards/nano-r4/downloads/ABX00142-full-pinout.pdf b/content/hardware/03.nano/boards/nano-r4/downloads/ABX00142-full-pinout.pdf
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diff --git a/content/hardware/03.nano/boards/nano-r4/downloads/ABX00142-pinout.pdf b/content/hardware/03.nano/boards/nano-r4/downloads/ABX00142-pinout.pdf
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diff --git a/content/hardware/03.nano/boards/nano-r4/tech-specs.yml b/content/hardware/03.nano/boards/nano-r4/tech-specs.yml
index a4483c8300..dae9402ce3 100644
--- a/content/hardware/03.nano/boards/nano-r4/tech-specs.yml
+++ b/content/hardware/03.nano/boards/nano-r4/tech-specs.yml
@@ -1,30 +1,30 @@
-Board:
-  Name: Arduino® Nano R4
-  SKU: ABX00142 (Castellated Pins) / ABX00143 (With Headers)
-Microcontroller: Renesas RA4M1 (Arm® Cortex®-M4)
-USB:
-  USB-C®: Programming Port
-Pins:
-  Digital I/O Pins: 21 (all the exposed I/O can be used as digital I/O pins)
-  Analog input pins: 8
-  DAC: 1 (A0)
-  OPAMP: A1, A2, A3
-  VBAT: J5
-  PWM pins: 6
-  External interrupts: 2,3
-Communication:
-  UART: 1
-  I2C: "2 (5 V: A4, A5 / 3.3 V: QWIIC, J3, J4)"
-  SPI: 1
-  CAN: 1
-Power:
-  Circuit operating voltage: +5 VDC
-  Input voltage (VIN): +6-21 VDC
-  DC Current per I/O Pin: 8 mA
-Clock speed:
-  Main core: 48 MHz
-Memory:
-  RA4M1: 256 kB Flash, 32 kB RAM, 8 kB EEPROM
-Dimensions:
-  Width: 18 mm
+Board:
+  Name: Arduino® Nano R4
+  SKU: ABX00142 (Castellated Pins) / ABX00143 (With Headers)
+Microcontroller: Renesas RA4M1 (Arm® Cortex®-M4)
+USB:
+  USB-C®: Programming Port
+Pins:
+  Digital I/O Pins: 21 (all the exposed I/O can be used as digital I/O pins)
+  Analog input pins: 8
+  DAC: 1 (A0)
+  OPAMP: A1, A2, A3
+  VBAT: J5
+  PWM pins: 6
+  External interrupts: 2,3
+Communication:
+  UART: "2 (Serial: USB, Serial1: D0/D1)"
+  I2C: "2 (5 V: A4, A5 / 3.3 V: QWIIC, J3, J4)"
+  SPI: 1
+  CAN: 1
+Power:
+  Circuit operating voltage: +5 VDC
+  Input voltage (VIN): +6-21 VDC
+  DC Current per I/O Pin: 8 mA
+Clock speed:
+  Main core: 48 MHz
+Memory:
+  RA4M1: 256 kB Flash, 32 kB RAM, 8 kB EEPROM
+Dimensions:
+  Width: 18 mm
   Length: 45 mm
\ No newline at end of file
diff --git a/content/hardware/03.nano/boards/nano-r4/tutorials/01.user-manual/assets/simple-pinout.png b/content/hardware/03.nano/boards/nano-r4/tutorials/01.user-manual/assets/simple-pinout.png
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