Post Created date
Resetting Microcontroller when rellay turned ON.
N.Winterbottom wrote:Also What is N76E003AT20 ?
Monday, 14 June 2021 - 16:18
How to fix low LED light?
DocJC wrote: Or, if it is connected to a micro's I/O pin, then perhaps the internal pull-up resistor was activated instead of making the pin an output.   JC    +1
Tuesday, 13 April 2021 - 10:21
Controlling voltage to components
bobioknight wrote:Hello, I am building a circuit using a ATTiny, a 1.3 oled color screen, and two AAA batteries. The batteries provide enough power to run the circuit, but they...
Sunday, 7 March 2021 - 16:08
Uninitialized variable
Does your model UC3 have GPLP registers?  
Friday, 23 October 2020 - 10:39
Adjusting LCD contrast by PWM
david.prentice wrote:The contrast depends on VCC.   It will not alter with the moon or daylight.   You set once and forget. I agree with the first two...
Tuesday, 6 October 2020 - 17:11
mega0/xTiny Full Chip Erase possible from application section?
westfw wrote: Are you saying this can be done even when the lockbits are set on the bootloader (I assume the chip has this facility?) Mega0 doesn't seem to have lockbits in the...
Thursday, 1 October 2020 - 21:10
mega0/xTiny Full Chip Erase possible from application section?
My read of the data sheet suggests that the bootloader sets the BOOTLOCK bit in NVMCTRL.CTRLB register if it wants the bootloader section to be protected.  I guess they leave...
Thursday, 1 October 2020 - 12:41
3 phase High voltage ac to low power 5V dc out
I could see this power supply being the fuse for a massive arc flash event.  Fuse as ignition, not as protection.
Saturday, 26 September 2020 - 23:56
Mega0/xTiny Self programming flash
My reading of the datasheet would suggest that you can do what you propose provided that the bootloader does not set BOOTLOCK bit in the NVMCTRL.CTRLB register before passing...
Saturday, 26 September 2020 - 22:09
Mega0/xTiny Self programming flash
These chips don't have the SPM instruction.  It's all done through the NVM controller.
Saturday, 26 September 2020 - 15:39
Filter design software recommendations
ki0bk wrote: Glass breakage detector?   squeak sniffer? 
Thursday, 24 September 2020 - 17:18
What kind of sex do you prefer?
I prefer male headers on boards and female-female jumpers simply because you can disconnect one end and not have to worry about shorting against something unintentionally.
Thursday, 17 September 2020 - 23:10