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Impedance controlled PCB advice
Hi All   I am developing a RF PCB and would like to know what is the difference between?:   Asking the PCB manufacture for their standard PCB stack up along with their...
Wed. Dec 27, 2017 - 12:08 PM
PCB module with edge pads?
Hi All   I intended to make a small PCB module, which can be soldered onto another PCB.    The aim is to  have exposed pads on the edge of the PCB so that It...
Sun. Nov 12, 2017 - 07:36 PM
opamp AC square wave to to DC
Hi All   I got a op amp that is inputted with a square wave, the op amp generate a +-1.65V AC square wave.   I would like to read that in a ADC, how can i convert that...
Sat. Jul 29, 2017 - 10:49 PM
Standalone AVR serial boot loader program
Hi All   I am using the ATMEGA 48. I would like add a ready available boot loader, but would like to know are there any standalone PC base programmer can can via the boot...
Tue. May 2, 2017 - 08:56 AM
MQTT libary help?
Hi All   Hope everyone is doing well.   If someone could advice me on how i can integrate a existing MQTT library to my project, as i not want to be re writing something...
Sun. Apr 2, 2017 - 10:00 PM
Saving Strings into Flash and not RAM?
Dear All   I got the following  function  void UART_TX_DEBUGMSG(const char *str) { while (*str) { HAL_UartWriteByte(*str); str++; } }It is being called...
Tue. Mar 7, 2017 - 11:06 AM
Simcom Sim800 Libaray
Dear All   Does anyone know of any good Simcom sim800 module library that could be available to use for XMEGA?   Thank You   Regards   DJ  
Sun. Feb 5, 2017 - 07:49 PM
JTAGE ICE 3 IDC cable replacement.
Hi All   I have the JTAG ICE 3 JTAG programmer.   Can someone advice me where i can get the ICD cable cheaply?   Regards   DJ
Thu. Nov 24, 2016 - 03:50 PM
Atxmega256a3bu flash corruption due to power loss?
Hi All   I got a small issue with particular design where the atxmega256a3bu flash seem to be getting corrupted  on certain boards.   I acknowledge the flash...
Wed. Aug 24, 2016 - 02:27 PM
UART via level buffer or USB for communication?
Dear All   I would like two devices to communicate with one another using cable with a max length of about 3-5 meters. PCB A will be powering PCB B.   Presuming the...
Wed. Aug 3, 2016 - 05:18 PM
XMEGA USB bidirectional power possibility?
Hi All   I planning the following design: PCB A--XMEGA USB Design, Li-ion battery powered, DC-DC step-up(5-6.5V).   PCB B --XMEGA USB Design, no direct power.  ...
Thu. Jul 7, 2016 - 09:56 PM
Peltier power/temperature controller ?
Hi All   I would like to use a Peltier for cooling purpose only. I am thinking about using one rated to 12V 5A 60W.   The hot side will have heat sink with a FAN...
Mon. May 9, 2016 - 10:45 AM