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Conformal coating advice?
Hi All   I have circuits that are going to be placed outdoors in IP casing, is it still necessary to use a conformal coating spray?   If so , i would like to hear...
Monday, 22 June 2020 - 20:47
AVR PIN 5V to 3.3V
Hi All   Previously i was using an external device, that would be powered using 5V from my PCB and would receive a 3.3V signal.   I am experiment with another...
Monday, 1 June 2020 - 12:56
Eeprom EEMEM attribute address
Hi All I am using the EEMEM attribute to read and write to about 10 sets of variables. How do I ensure that eeprom address assigned to those eeprom variable would not change on...
Friday, 15 May 2020 - 22:15
N02 gas sensor and temperature sensor if placement
Hi all I am expirmenting with a N02 gas sensor for Alphasense. I also need to add a temperature sensor to the design. I am thinking about using HDC2021 , but does it matter where...
Wednesday, 22 April 2020 - 01:10
RF antennas
Hi All   I hope you are well and safe.   I am working on small project over the weekend with 2.4Ghz ATmega128RFA1 device.   I have some old antenna that i found,...
Friday, 10 April 2020 - 23:10
Lightweight_mesh version advice
Hi   I have various devices using the the Light Weight mesh stack V 1.1.1   I have recently developed a new device using the V1.2.1 using the ATMEGA128RFa1, would there...
Friday, 10 April 2020 - 22:16
re-flow oven recommendations.
Hi All   I am thinking about purchasing a small re-flow oven. I did not need one till now but i am using LGA modules and prefer to assemble boards in house for...
Tuesday, 7 April 2020 - 17:51
Immersion Gold PCB pads
Hi All   I got some old PCBs that had pads which are Immersion gold.   I used one of this boards for a prototype where i needed to connect  to a modules UART port...
Tuesday, 7 April 2020 - 16:35
Reading multiple adc channels
Hi All   I having some issues reading the voltage from two ADC channels. It seems like both channels are outputting the same value, where it should be different. This is my...
Sunday, 29 March 2020 - 19:02
.net C code ported to the AVR for SAS client token
Hi All   I am working on a MQTT  project , where a where my device the client  will need to generate a SAS token. The original code was written in C on the .net...
Friday, 13 March 2020 - 16:36
PCB stencil, aperture size and Gerber files
Hi    I am working on a PCB and will need to get a stencil made.   I have been advised that on components such as QFN with a GND pad , that i should create small...
Monday, 9 March 2020 - 11:15
VCC and GND shorted on a module device. Static?
Hi All   I was preparing a PCB by soldering the components . There is a LGA module which i also manged soldered.   Before powering the PCB, i always check that the VCC...
Saturday, 7 March 2020 - 23:34

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