Initializing the Microcontroller - Revision history

U731219879 rc at 21:45, 17 August 2021

2021-08-17T21:45:07Z

U731219879 rc at 21:39, 17 August 2021

2021-08-17T21:39:37Z

U731219879 rc at 21:30, 17 August 2021

2021-08-17T21:30:35Z

U731219879 rc at 18:31, 17 August 2021

2021-08-17T18:31:46Z

U731219879 rc at 01:33, 17 August 2021

2021-08-17T01:33:47Z

U731219879 rc at 21:25, 30 July 2021

2021-07-30T21:25:40Z

U731219879 rc at 21:22, 30 July 2021

2021-07-30T21:22:57Z

U731219879 rc at 21:19, 30 July 2021

2021-07-30T21:19:21Z

U731219879 rc at 20:46, 30 July 2021

2021-07-30T20:46:07Z

U731219879 rc at 02:28, 29 July 2021

2021-07-29T02:28:41Z

@@ Line 48: / Line 48: @@
 [[File:SD-Card-Power-Fail.PNG |350px]]
-Next step '''Setting up the DS3231 RTC'''
+'''Next step:''' Setting Time and Date for the DS3231 RTC. Click on link below
 ==[[ Power Fail Logger by Microrusty ]]==

@@ Line 50: / Line 50: @@
 Next step '''Setting up the DS3231 RTC'''
-==[[Setting Time and Date for the DS3231 RTC]]==
+==[[ Power Fail Logger by Microrusty ]]==
 ==[[ Programming Power Fail Logger with Arduino IDE]]==
 ==[[Installation and use]]==
 ----
 ==[[ Main Page ]]==

@@ Line 52: / Line 52: @@
 ==[[Setting Time and Date for the DS3231 RTC]]==
 ==[[ Programming Power Fail Logger with Arduino IDE]]==
 ----
 ==[[ Power Fail Logger by Microrusty ]]==

@@ Line 40: / Line 40: @@
    ==[[ AVRDUDE Class]]==
-'''ADD SD Card Reader'''
+'''ADD SD Card Reader'''<br>
- Insert '''SD Card Reader''' module into the '''Power Logger PCB''' at '''J6'''.
+Insert '''SD Card Reader''' module into the '''Power Logger PCB''' at '''J6'''. <br>
- Make sure the '''Arduino IDE''' has the following libraries installed:
+Make sure the '''Arduino IDE''' has the following libraries installed before programming the board:
-  #include <SPI.h>              // SPI Interface that the SD card module will use
+  #include <SPI.h>              // SPI Interface that the SD card module will use.
-  #include <SD.h>               // for the SD card
+  #include <SD.h>               // Library for the SD card.
 [[File:SD-Card-Power-Fail.PNG |350px]]

@@ Line 42: / Line 42: @@
 '''ADD SD Card Reader'''
   Insert '''SD Card Reader''' module into the '''Power Logger PCB''' at '''J6'''.
 [[File:SD-Card-Power-Fail.PNG |350px]]

@@ Line 26: / Line 26: @@
    The Microcontroller is set to '''1HMz''' and needs to be changed to '''16 MHz Default'''
    Enter the following AVRDude command to set the fuse bits on the Microcontroller.
    '''avrdude -p m328p -c usbtiny -v -U lfuse:w:0xFF:m -U hfuse:w:0xDE:m -U efuse:w:0xFF:m'''
@@ Line 42: / Line 41: @@
 '''ADD SD Card Reader'''
-Insert '''SD Card Reader''' module into the '''Power Logger PCB''' at '''J6'''. <br>
+ Insert '''SD Card Reader''' module into the '''Power Logger PCB''' at '''J6'''.
 [[File:SD-Card-Power-Fail.PNG |350px]]

@@ Line 8: / Line 8: @@
    Unplug any USB Power before programming the Microcontroller.
    Plug the '''USBTiny''' Programmer into the '''AVR-ISP 6 pin header''' '''J7'''.
-   Place the '''Jumper''' across '''J8''' to use the '''USBTiny''' 5 volt power. Make sure no other power source is connected!
+   Place the '''Jumper''' across '''J8''' on the Power-Failure-Logger PCB to use the '''USBTiny''' 5 volt power. Make sure no other power source is connected!
-   Using '''AVRDUDE''' Validate the '''USBTiny''' is communicating with the Power Fail Module Microcontroller
+   Using '''AVRDUDE''' Validate the '''USBTiny''' is communicating with the Power Fail Module PCB.
    Type the following command in the Windows terminal.
    '''avrdude -c usbtiny -p m328p '''<BR>
@@ Line 42: / Line 42: @@
 '''ADD SD Card Reader'''
-Insert '''SD Card Reader''' module into the '''Power Logger PCB''' at J6. <br>
+Insert '''SD Card Reader''' module into the '''Power Logger PCB''' at '''J6'''. <br>
 [[File:SD-Card-Power-Fail.PNG |350px]]

@@ Line 6: / Line 6: @@
 '''Setting up the ATMega328 chip'''
    Unplug any USB Power before programming the Microcontroller.
    Plug the '''USBTiny''' Programmer into the '''AVR-ISP 6 pin header''' '''J7'''.
-   Place the jumper across '''J8''' to use the '''USBTiny''' 5 volt power. Make sure no other power source is connected!
+   Place the '''Jumper''' across '''J8''' to use the '''USBTiny''' 5 volt power. Make sure no other power source is connected!
    Using '''AVRDUDE''' Validate the '''USBTiny''' is communicating with the Power Fail Module Microcontroller
    Type the following command in the Windows terminal.
-   '''avrdude -c usbtiny -p m328p -v'''
+   '''avrdude -c usbtiny -p m328p '''<BR>
+   Connected and Working properly should match this picture.
-   Trouble shooting any connection issues to the microcontroller refer back to the '''AVRDude Class'''. The link is below.
+  [[File:AVRDude-Read.PNG |550px]] <BR>
+   Trouble shooting any connection issues to the microcontroller refer back to the '''AVRDude Class'''. The link is below.
    The Microcontroller is set to '''1HMz''' and needs to be changed to '''16 MHz Default'''
-   Using AVRDude enter the follow command to set the fuse bits on the Microcontroller.
+   Enter the following AVRDude command to set the fuse bits on the Microcontroller.
    '''avrdude -p m328p -c usbtiny -v -U lfuse:w:0xFF:m -U hfuse:w:0xDE:m -U efuse:w:0xFF:m'''
-   When completed make sure the microcontroller matches these settings:
+   Validate the fuses are now set correctly by using the following '''AVRDUDE''' command:
+  '''avrdude -c usbtiny -p m328p -v '''<BR>
    '''avrdude: safemode: hfuse reads as DE'''
    '''avrdude: safemode: efuse reads as FF'''