From 5c9f61600f3a81de6d1750b07dd609e19af4212f Mon Sep 17 00:00:00 2001 From: Sadeep Madurange Date: Sun, 2 Nov 2025 11:45:32 +0800 Subject: Fix typography in Arduino Uno post. --- _site/archive/arduino-due/index.html | 5 +---- _site/archive/arduino-uno/index.html | 34 +++++++++++++++++----------------- _site/feed.xml | 2 +- _site/posts.xml | 2 +- 4 files changed, 20 insertions(+), 23 deletions(-) (limited to '_site') diff --git a/_site/archive/arduino-due/index.html b/_site/archive/arduino-due/index.html index c4a0d5a..13e006e 100644 --- a/_site/archive/arduino-due/index.html +++ b/_site/archive/arduino-due/index.html @@ -97,10 +97,7 @@ OpenOCD config file and a linker script.

$ openocd -f openocd-due.cfg
-
  • -

    Open a telnet session and check that the GPNVM1 bit is set. Otherwise -set it to 1:

    - +
  • Open a telnet session and set the GPNVM1 bit to 1: 
    $ telnet localhost 4444
   > halt
   > at91sam3 gpnvm show
diff --git a/_site/archive/arduino-uno/index.html b/_site/archive/arduino-uno/index.html
index 0c233c5..7509267 100644
--- a/_site/archive/arduino-uno/index.html
+++ b/_site/archive/arduino-uno/index.html
@@ -43,10 +43,10 @@
         
    PROGRAMMING ATMEGA328P CHIPS
    
         
    10 APRIL 2025
    
         
    
-        
    This post is a step-by-step guide for wiring up ATmega328P ICs to run at 5 V
-with a 16 MHz crystal and 3.3 V with an 8 MHz crystal. While the 5 V
-configuration is common, the 3.3 V configuration can be advantageous in
-low-power applications and when interfacing with parts that run at 3.3 V.
    
+        
    This post is a step-by-step guide for wiring up ATmega328P ICs to run at 5V
+with a 16MHz crystal and 3.3V with an 8MHz crystal. While the 5V
+configuration is common, the 3.3V configuration can be advantageous in
+low-power applications and when interfacing with parts that run at 3.3V.
    
 
 
    5V-16MHz configuration
    
 
@@ -66,46 +66,46 @@ low-power applications and when interfacing with parts that run at 3.3 V.
    
 
 
 
      
-  
    1. Connect pin 1 to 5 V via a 10 kΩ resistor.
      2. 
-  
    2. Connect a 16 MHz crystal oscillator across pins 9 and 10.
      3. 
-  
    3. Connect each pin of the crystal to ground via 22 pF capacitors.
      4. 
-  
    4. Connect pins 7, 20, and 21 to 5 V.
      5. 
+  
    5. Connect pin 1 to 5V via a 10kΩ resistor.
      6. 
+  
    6. Connect a 16MHz crystal oscillator across pins 9 and 10.
      7. 
+  
    7. Connect each pin of the crystal to ground via 22pF capacitors.
      8. 
+  
    8. Connect pins 7, 20, and 21 to 5V.
      9. 
   
    9. Connect pins 8 and 22 to ground.
      10. 
 
    
 
-
    In addition to the connections described above, it’s a good idea to add 0.1 μF
+
    In addition to the connections described above, it’s a good idea to add 0.1μF
 decoupling capacitors between pins 7, 20, and 21 and ground.
 Here’s a sample Makefile for avr-gcc and avrdude.
    
 
 
    3.3V-8MHz configuration
    
 
 
    The following steps use Arduino Uno as an ISP and Arduino utilities to program
-ATmega328P’s bootloader and the fuses (e.g., BOD level) for a 3.3 V supply.
    
+ATmega328P’s bootloader and the fuses (e.g., BOD level) for a 3.3V supply.
    
 
 
      
   
    1. Upload the ‘ArduinoISP’ sketch to the Uno.
      2. 
-  
    2. Wire up the ATmega328P as described in the previous section. Replace the 5 V
-supply with a 3.3 V supply and use an 8 MHz crystal instead of the 16 MHz 
+  
    3. Wire up the ATmega328P as described in the previous section. Replace the 5V
+supply with a 3.3V supply and use an 8MHz crystal instead of the 16MHz 
 crystal.
      4. 
   
    4. Connect the SPI ports (SCK, MISO, and MOSI) of the two MCUs.
      5. 
   
    5. Connect Uno’s SS pin to the IC’s pin 1 (RESET).
      6. 
-  
    6. The IC can be powered by the Arduino Uno’s 5 V pin.
      7. 
+  
    7. The IC can be powered by the Arduino Uno’s 5V pin.
      8. 
   
    8. Burn the bootloader to the ATmega328P:
     
        
-      
      • Select ‘ATmega328P (3.3 V, 8 MHz)’ from Tools > Processor.
        • 
+      
      • Select ‘ATmega328P (3.3V, 8MHz)’ from Tools > Processor.
        • 
       
      • Select ‘Arduino as ISP’ from Tools > Programmer.
        • 
       
      • Select Tools > Burn Bootloader.
        • 
     
      
   
      9. 
 
    
 
-
    The ATmega328P is now ready to run at 8 MHz with a 3.3 V power supply. You can
+
    The ATmega328P is now ready to run at 8MHz with a 3.3V power supply. You can
 upload programs to the ATmega328P as you usually would using avrdude.
 Here’s a sample Makefile with adjusted parameters (e.g., baud
-rate) for an 8 MHz clock.
    
+rate) for an 8MHz clock.
    
 
 
    In both configurations, if you intend to use the ATmega328P’s analog-to-digital
-converter with the internal 1.1 V or AVcc voltage as reference, do
+converter with the internal 1.1V or AVcc voltage as reference, do
 not connect AREF (pin 21) to Vcc. Refer to section 23.5.2 ADC
 Voltage Reference in the datasheet for more information.
    
 
diff --git a/_site/feed.xml b/_site/feed.xml
index d2dcedc..3548f7c 100644
--- a/_site/feed.xml
+++ b/_site/feed.xml
@@ -1 +1 @@
-Jekyll2025-11-02T11:27:10+08:00http://localhost:4000/feed.xmlASCIIMX | ArchiveWickramage Don Sadeep MadurangeNeo4J A* search2025-09-14T00:00:00+08:002025-09-14T00:00:00+08:00http://localhost:4000/archive/neo4j-a-star-searchWickramage Don Sadeep MadurangeMy first PCB2025-07-14T00:00:00+08:002025-07-14T00:00:00+08:00http://localhost:4000/archive/my-first-pcbWickramage Don Sadeep MadurangeMOSFETs2025-06-22T00:00:00+08:002025-06-22T00:00:00+08:00http://localhost:4000/archive/mosfet-switchesWickramage Don Sadeep MadurangeAwesome books2025-04-20T00:00:00+08:002025-04-20T00:00:00+08:00http://localhost:4000/archive/awesome-booksWickramage Don Sadeep MadurangeProgramming ATmega328P chips2025-04-10T00:00:00+08:002025-04-10T00:00:00+08:00http://localhost:4000/archive/arduino-unoWickramage Don Sadeep MadurangeBare-metal ARM Cortex M3 chips2024-10-05T00:00:00+08:002024-10-05T00:00:00+08:00http://localhost:4000/archive/arduino-dueWickramage Don Sadeep Madurange
\ No newline at end of file
+Jekyll2025-11-02T11:45:12+08:00/feed.xmlASCIIMX | ArchiveWickramage Don Sadeep MadurangeNeo4J A* search2025-09-14T00:00:00+08:002025-09-14T00:00:00+08:00/archive/neo4j-a-star-searchWickramage Don Sadeep MadurangeMy first PCB2025-07-14T00:00:00+08:002025-07-14T00:00:00+08:00/archive/my-first-pcbWickramage Don Sadeep MadurangeMOSFETs2025-06-22T00:00:00+08:002025-06-22T00:00:00+08:00/archive/mosfet-switchesWickramage Don Sadeep MadurangeAwesome books2025-04-20T00:00:00+08:002025-04-20T00:00:00+08:00/archive/awesome-booksWickramage Don Sadeep MadurangeProgramming ATmega328P chips2025-04-10T00:00:00+08:002025-04-10T00:00:00+08:00/archive/arduino-unoWickramage Don Sadeep MadurangeBare-metal ARM Cortex M3 chips2024-10-05T00:00:00+08:002024-10-05T00:00:00+08:00/archive/arduino-dueWickramage Don Sadeep Madurange
\ No newline at end of file
diff --git a/_site/posts.xml b/_site/posts.xml
index feb444a..1ecb22e 100644
--- a/_site/posts.xml
+++ b/_site/posts.xml
@@ -1 +1 @@
-Jekyll2025-11-02T11:27:10+08:00http://localhost:4000/posts.xmlASCIIMXWickramage Don Sadeep Madurange
\ No newline at end of file
+Jekyll2025-11-02T11:45:12+08:00/posts.xmlASCIIMXWickramage Don Sadeep Madurange
\ No newline at end of file
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