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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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How to wire a stand alone ATMEGA328 chip
I have been able to boot load an TMEGA 328 arduino chip which works well on an arduino UNO board (Blink sketch on pin 13). My problem is, I tried several times to wire the 238 ic on a breadboard but does not work. I have followed all circuits connection on the Net to no avail (I tried the blink sketch on pin 19 of the ic). in fact i used the 5 volts port and ground port on the UNO board to power the breadboard. I just saw a circuit on the Net where pins 20 and 21 of the ATMEGA 328 ic were connected together. I want to Know if it is safe to do that to get the ic working will also be happy if someone can direct me to a site on the Net Thanks in advance
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#2
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How to wire a stand alone ATMEGA328 chip
On Saturday, October 3, 2020 at 1:02:06 AM UTC+1, wrote:
I have been able to boot load an TMEGA 328 arduino chip which works well on an arduino UNO board (Blink sketch on pin 13). My problem is, I tried several times to wire the 238 ic on a breadboard but does not work. I have followed all circuits connection on the Net to no avail (I tried the blink sketch on pin 19 of the ic). in fact i used the 5 volts port and ground port on the UNO board to power the breadboard. I just saw a circuit on the Net where pins 20 and 21 of the ATMEGA 328 ic were connected together. I want to Know if it is safe to do that to get the ic working will also be happy if someone can direct me to a site on the Net Thanks in advance should also add that a 10K ohm resistor was connected to Pin 1, two 22pf capacitors were also connected to pins 9 and 10 and other end grounded, 16MHz crystal was also connected between pins 9 and 10. appropriate pins connected to power. |
#3
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How to wire a stand alone ATMEGA328 chip
On 10/2/2020 7:42 PM, cliford abakah wrote:
On Saturday, October 3, 2020 at 1:02:06 AM UTC+1, wrote: I have been able to boot load an TMEGA 328 arduino chip which works well on an arduino UNO board (Blink sketch on pin 13). My problem is, I tried several times to wire the 238 ic on a breadboard but does not work. I have followed all circuits connection on the Net to no avail (I tried the blink sketch on pin 19 of the ic). in fact i used the 5 volts port and ground port on the UNO board to power the breadboard. I just saw a circuit on the Net where pins 20 and 21 of the ATMEGA 328 ic were connected together. I want to Know if it is safe to do that to get the ic working will also be happy if someone can direct me to a site on the Net Thanks in advance should also add that a 10K ohm resistor was connected to Pin 1, two 22pf capacitors were also connected to pins 9 and 10 and other end grounded, 16MHz crystal was also connected between pins 9 and 10. appropriate pins connected to power. Have you never looked at the Arduino forum: https://forum.arduino.cc/ Paul |
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