Post Created date
More common 5.5mm power plug - 2.1mm or 2.5mm center?
I always use 2.1mm but I keep several of these adapters on hand. Don
Friday, 29 July 2011 - 14:25
oscilloscope basics/tutorials
Tektronix has a good tutorial. It's a free download.XYZs of OscilloscopesDon
Tuesday, 26 July 2011 - 15:10
The silly things we do
Several years ago, I was working on a breadboard circuit with an ATmega and an I2C device. This was my first attempt to use I2C with an AVR. At the time, I wasn't aware of an...
Wednesday, 20 July 2011 - 20:24
How does one change the clock frequency for the simulator
I'm a little late here but this topic recently struck home for me again. clawson wrote:For the purpose of the stopwatch display I've already seen that asked and answered for AS5...
Saturday, 25 June 2011 - 22:59
Timer vs. RTC chip.
Brutte wrote:Quote:you can get an external RTC with temperature compensation for a few bucks Do you know some popular/affordable models? I can imagine you can add/sub some ticks...
Thursday, 16 June 2011 - 21:55
Recommended Spectrum Analyser
brunomusw wrote:That's my next toy, so interesting topic..My $800 digital scope (60 MHz Instek) and my $80 logic analyzer (IKA Logic) both perform this function. The logic...
Monday, 30 May 2011 - 18:53
DS1307 and I2C functions
FWIW: DS1307 Utility project. A bit old but still relevant, I believe. Don
Friday, 27 May 2011 - 01:12
DS1307 RTC time not advancing
david.prentice wrote:Add the coin cell for VBAT and it will keep perfect time.The SparkFun DS1307 breakout board contains a coin cell (at least the two I own) and, from the photo...
Friday, 27 May 2011 - 01:02
DS1307 Accuracy
DocJC wrote:The Maxim-ic Application Note 58 discusses the clock's accuracy and provides several example crystals with 20 ppm (typical) accuracy at the spec'd temp. In round...
Thursday, 7 April 2011 - 20:10
wifi
Kartman wrote:Xbee does not do wifi, it does zigbee XBee Series 2 and Series 2B do ZigBee. The Series 1 XBee modules do IEEE 802.15.4. IEEE 802.15.4 is the basis for ZigBee but...
Sunday, 3 April 2011 - 19:53
Attiny10 UART?
Here's my GCC implementation of AVR304. There are 2 header files: swUart.h and swUartConfig.h. swUartConfig.h contains defines that can be modified such as BAUDRATE. I've added a...
Thursday, 24 March 2011 - 20:10
Project library files copied locally
See this thread for information on linking instead of copying files. In my opinion, the implementation is somewhat clunky. Also, I've experienced some weirdness when I've mixed...
Thursday, 24 March 2011 - 01:28

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