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Where to get MAC address for WIZNET module?
markus_b wrote:Looking at the 812MJ data sheet I find not much mention about this at all. You may be right. You have several choices: 1) Contact wiznet for advice 2) Contact the...
Tuesday, 18 January 2011 - 16:47
Where to get MAC address for WIZNET module?
n1ist wrote:You can buy them from Microchip, available in SOIC or SOT-23, for about 22 cents. /mike Yup, I found the node address chip from Microchip. But no DIP version.Surface...
Tuesday, 18 January 2011 - 16:46
Where to get MAC address for WIZNET module?
WIZNET 812MJ. No MAC address. This is a big trouble for me to look for a valid MAC address. Anyone using Wiznet module and how do you solve the MAC address problem?
Tuesday, 18 January 2011 - 15:01
5V tolerant I/O?
So, From AVR -> WIZNET, no need level translator. From WIZNET -> AVR, need some sort of level translator, like SN74AHCT541?
Monday, 17 January 2011 - 04:12
Problem with photosensor CNY70
Just a suggestion, why dont you use the ADC built into the atmega/attiny to get the input from the sensor? Or use 741 op amp to convert the analog input to a digital one will be...
Sunday, 16 January 2011 - 16:03
Decoupling Capacitor on Vcc Pin
Do we need to caps to our I/O port to reduce noise?
Sunday, 16 January 2011 - 08:08
5V tolerant I/O?
ArnoldB wrote:"5 V tolerant I/O" is a common term meaning you can put 5 V on the I/O pins and it won't die. It implicitly also means that you should not put 5 V on any other pin...
Sunday, 16 January 2011 - 08:03
FT232RL, windows xp, usb is not detected
If you have done the connection correctly, definitely it should work. I have used the ft232rl without problem so far, quite reliable. Recheck your connection 3 times!
Thursday, 13 January 2011 - 02:46
UART 5V -> 3V Converter
Simonetta wrote:(Can the AVR drive a 4n25 opto-isolator's LED?) Yes, I do it all the time. This circuit is the foundation of a MIDI interface. The AVR output port is sinking (5V...
Monday, 10 January 2011 - 04:29
Internal oscilator and SPI
What is your SPI speed? I'm using the internal RC 8MHz to communicate over SPI without any problem at all. As far as I can see, if you dont need high speed, SPI communication...
Thursday, 6 January 2011 - 15:53
how copy int to char[2] using pointer?
you can use union union i2c { char c[2]; int i; };
Thursday, 6 January 2011 - 12:53
UART 5V -> 3V Converter
nachus001 wrote:Hey: What about this circuit. I've used it successfully in the past for UART communications (is the classical level translator, spreaded in the internet) Hope it...
Thursday, 6 January 2011 - 12:42

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