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Quiz for fun, I/O pin and 4 levels
Also many years ago, I have seen a similar thing done with a scope, using upper 8 bit of address bus as one axis, and lower 8 for the other. I can only assume it wasn't all that...
Friday, 12 July 2019 - 06:53
Controlling relays using ESP32
Serial drivers would be the best way, IMO. Allegro used to make some dedicated serial lamp/relay drivers, but I'm not sure if they're still available. You might have to use logic...
Tuesday, 9 July 2019 - 08:41
Creating Beeps of different tones
In my experience, most "passive" piezo buzzers can be persuaded to produce tones other than their resonant frequency, but the amplitude is a bit hit-and-miss. The piezo devices...
Thursday, 30 May 2019 - 11:28
Problem with OLED Display
Wot david said...   Here's a clue... PORTA &= 0x0f;replaces your four lines of code PORTD &= 0xf0; replaces the other four   Added to which, there's no reason...
Friday, 24 May 2019 - 13:30
tinyAVR (1617) strange sleep current draw
From the original post "I've narrowed it down to something to do with #define F_CPU.... when I have it set to 20000000UL my attiny pulls 2mA in sleep.... when F_CPU is set to...
Thursday, 23 May 2019 - 09:53
tinyAVR (1617) strange sleep current draw
Glad you fixed it, but how was the F_CPU definition affecting input buffers?
Thursday, 23 May 2019 - 06:28
tinyAVR (1617) strange sleep current draw
Moe123 wrote: John_A_Brown wrote: While not infallible, you can see the post count and joining date of members.   ;-)....cyber life, great...some more posts and you hit...
Wednesday, 22 May 2019 - 08:04
tinyAVR (1617) strange sleep current draw
Moe123 wrote:It was a question not a compliment, but anyway. the most funny thing about cyber life is you can be anything...haha, enjoy your day Master AVR ;) While not infallible...
Wednesday, 22 May 2019 - 07:13
tinyAVR (1617) strange sleep current draw
I'm not entirely sure what you're asking. If you're question is "how did you become so totally awesome at writing code for AVRs?", then the answer is "practice makes prefect", and...
Tuesday, 21 May 2019 - 21:46
tinyAVR (1617) strange sleep current draw
See #6
Monday, 20 May 2019 - 18:26
tinyAVR (1617) strange sleep current draw
I didn't get where I am today by checking other threads!  
Monday, 20 May 2019 - 13:20
tinyAVR (1617) strange sleep current draw
#define F_CPU does not change the physical clock speed(unless things have moved on in recent years). What IS the actual clock speed? What may be happening is that, if the compiler...
Monday, 20 May 2019 - 10:21

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