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ATtiny441 different UART behaviour in debug / no debug mode
I'm going to guess that the issue is here: //Get sample adc_sample = (ADCH << 8) | ADCL; Reading the ADC registers in the wrong order would explain the symptoms....
Friday, 17 September 2021 - 06:20
Attiny841 vs 441 vs 44A and other questions
But just for my knowledge, am I correct to think that I would want a separate line going to the chip to wake it from the sender? Or can the same Rx pin wake it up no problem? The...
Tuesday, 24 November 2020 - 12:59
PCB ID Hardware or Firmware ?
jaksel wrote:After all, when you program your firmware into a PCB, you know what type that PCB is right? If you're producing five different versions of your product, you...
Thursday, 29 October 2020 - 12:14
ADC Noise Canceller
 so nothing can occur to "interrupt" the ADC process  The ADC process isn't interrupted, but the CPU can still be woken up by some other interrupt during the conversion...
Tuesday, 15 October 2019 - 14:36
adding time/date to the program in product line (as a device ID)
someone here might know a command line utility It is possible to add stuff to the hex, bin or even elf files without needing a recompile, using only the command line tools...
Wednesday, 6 February 2019 - 11:10
Different pull-ups for TWI level shifter
Wow, did not know this.  Do you know the percentage of pulsed power versus constant power to achieve the same perceived brightness?  Does it depend on duty cycle and/or...
Tuesday, 18 December 2018 - 11:15
Clock speed on a atiny13a
No the fuse display says it is running at 9.6MHz divided by eight (CKDIV8). That makes 1.2MHz. So about ten clocks per period would make a 120kHz frequency.   And the...
Friday, 31 August 2018 - 06:26
AT90USB162 ISP Signature reads as 0x1eFF82 ! What?
Just in case you hadn't noticed, there is another thread concerning bad signature with that part: https://www.avrfreaks.net/forum/writing-signature-bytes  
Tuesday, 31 July 2018 - 10:49
ATtiny85 Software BOD Disable
Where did you find this information in the datasheet (that revision C is the most recent) - the errata? Yes, I was looking at the errata. And assumed that any newer revision...
Wednesday, 20 December 2017 - 11:15
ATtiny85 Software BOD Disable
Still no. I'd guess that your troubles in 2014 were caused by a misinterpretation of the chip markings. The datasheet currently on Atmel website (from 2013) lists 'C' as the...
Wednesday, 20 December 2017 - 07:31
How to: power consumption of intermittent, spikey projects
I just read your comment in the other thread about an 'accumulated power mode'. I'm using the Nordic PPK for this kind of battery life estimation.   The kit sends the...
Thursday, 7 December 2017 - 08:25
How to: power consumption of intermittent, spikey projects
In addition to the Silabs kit that was already mentioned, Nordic Semi also has an inexpensive Power Profiler Kit. It is intended to support development with their Bluetooth chips...
Thursday, 7 December 2017 - 07:58

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