Post Created date
White LED driver debugging
What does the datasheet say? Your circuit looks like a standard example implementation from the datasheet. Is the inductor within recomended range? Always, never asume your...
Thursday, 9 May 2019 - 07:53
how to verify CPU is going to sleep?
You can put a small resistor in the Vcc or GND line, which has a voltage drop of around 100mV during normal operation. Then you can measure the ripple over that resistor with an...
Tuesday, 7 May 2019 - 02:05
UART Rx missing byte issue
As said before: interrupt triggered data handling. But from your info it's not clear if there is anything wrong with your firmware, (on the receiving or sending end! ) or...
Monday, 6 May 2019 - 21:06
How to find the size of i2c eeprom?
david.prentice wrote: you just have to say "Open Sesame".   I always say this when I go to the supermarket, and the door always opens. Getting away cleanly with the loot is...
Monday, 6 May 2019 - 20:50
Power distribution box with relays instead of trip switches
Devices with a bunch of relays and an Ethernet connection have been sold as commercial products for years. They are used to remotely power cycle computers.   In the PLC world...
Thursday, 2 May 2019 - 01:16
I2C Man-in-the-Middle
Copied it from my own signature: https://www.avrfreaks.net/commen...  
Tuesday, 30 April 2019 - 00:45
Make USBasp work in Atmel Studio
A lot of the Chinese USBasp's / USBisp's ignore the ISP speed command, which makes AVRdude spit out warnings. Instead they have an "autotune" feature which some seem to...
Sunday, 28 April 2019 - 17:08
I2C Man-in-the-Middle
If you ask this: jaksel wrote:Which logic analyzer are you referring to? Link please? :) You did not follow this: Paulvdh wrote:(follow my signature). Which leads to a...
Sunday, 28 April 2019 - 08:14
Crimper search - Classified Unobtanium
Kartman wrote:Obviously you’re not very affluent then! Partly so, but if I would need a new oscilloscope, I have no trouble spending EUR 500 on it. (I simply do not need more...
Friday, 26 April 2019 - 21:53
I2C Man-in-the-Middle
< Rant about cheap LA's> I still think an EUR 7 Logic analyser is in some ways superior to a modern  EUR 500 DSO. In your case you want to monitor 2 I2C channels...
Friday, 26 April 2019 - 21:16
half of data is missing when i read 16bit ADC with atmega32
The title of this post seems misleading. This is not "half the data is missing", but a single bit, or something with signed / unsigned. siavosh1 wrote: i should read data between...
Friday, 26 April 2019 - 20:48
Any optimization tips for this...
Why use Xmega if you need performance? Use something like ARM Cortex M4 @400MHz and you'll have plenty of performance. There are also plenty of ARM processors in between with...
Thursday, 25 April 2019 - 22:12

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