Feedback fixes

Author: karlsoderby

content/hardware/02.hero/boards/uno-r4-minima/features.md

@@ -1,6 +1,6 @@
 <FeatureDescription>
 
-The Arduino UNO R4 Minima is a 32-bit microcontroller based on the Renesas RA4M1 (Arm® Cortex®-M4) with an operating voltage of 5 V. It has 14 digital I/O, 6 analog inputs with up to 14-bit resolution, a clock speed of 48 MHz, and 32 kB SRAM, 256 kB flash memory & 8 kB of EEPROM.
+The UNO R4 Minima features a microcontroller based on the Renesas RA4M1 (Arm® Cortex®-M4) with an operating voltage of 5 V. It has 14 digital I/O, 6 analog inputs with up to 14-bit resolution, a clock speed of 48 MHz, and 32 kB SRAM, 256 kB flash memory & 8 kB of EEPROM.
 
 This boards also features a 12-bit DAC, RTC and can emulate an HID.
 
@@ -37,7 +37,7 @@ Power your UNO R4 Minima board through the VIN Pin with any voltage between 6-24
 </Feature>
 
 <Feature title="CAN Bus" image="communication">
-Connect your board to other CAN devices.
+Connect your board to other CAN devices. This requires an external transceiver.
 <FeatureLink title="Documentation" url="/tutorials/uno-r4-minima/can"/>
 </Feature>
 

content/hardware/02.hero/boards/uno-r4-minima/tech-specs.yml

@@ -10,7 +10,7 @@ Pins:
   DAC: 1
   PWM pins: 6
 Communication:
-  UART: Yes, 4x
+  UART: Yes, 1x
   I2C: Yes, 1x
   SPI: Yes, 1x
   CAN: Yes 1 CAN Bus

content/hardware/02.hero/boards/uno-r4-minima/tutorials/cheat-sheet/cheat-sheet.md

@@ -311,8 +311,6 @@ Inside `void setup()` you need to initialize the library, and initialize the I2C
 
 ```arduino
 Wire.begin() //SDA & SDL
-Wire1.begin(); //SDA1 & SDL1
-Wire2.begin(); //SDA2 & SDL2
 ```
 
 And to write something to a device connected via I2C, we can use the following commands:
@@ -325,7 +323,7 @@ Wire.endTransmission(); //stop transmit
 ```
 ## USB Serial & UART
 
-The **Uno R4 Minima** board features 2 separate hardware serial ports. 
+The **UNO R4 Minima** board features 2 separate hardware serial ports. 
 
 - One port is exposed via USB-C®, and 
 - One is exposed via RX/TX pins.