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Molex Connector Vs Cheap far east connectors
Hi All   I am in the process updating my PCB.   My current PCB uses the following ufl and nano sim card connector.    https://www.molex.com/molex/products/part...
Saturday, 14 November 2020 - 13:15
PCB Thermal Relief
Hi All   I am going to be updating a PCB, and would like review the thermal relief especially on connectors.    Till now i have always use "Direct Connect" on...
Friday, 13 November 2020 - 15:04
PCB ID Hardware or Firmware ?
Hi All   Just wanted to know what is the general preference when you want to give a PCB a unique ID.   I have about 5 slightly different PCBs(variation in components and...
Wednesday, 28 October 2020 - 20:14
XMEGA ADC , measuring VCC
Hi All   This is in relational to a Previous Post i did in regards the battery voltage dropping below 2.8V and then causing the charger to preform in...
Wednesday, 28 October 2020 - 13:40
Brownout Voltage setting in application code
Hi All   I have always set the brownout voltage using the fuse setting.   I need to change this one some remote devices, is there any possibility this be set from my...
Saturday, 24 October 2020 - 20:33
Editing Gerber files for a PCB Stencil
Hi All   I got some old PCB's that i still have in stock but do not have a stencil for them.    The original gerber file was for 1 PCB but the PCB...
Thursday, 22 October 2020 - 10:40
Charing Li-Poly Battery with voltage below 2.84V
Hi All   I been using Li-Poly Batteries on a GSM based system for some time. My original spec of the battery was 2000mAh 4.2V, with protection circuit.   Recently i...
Saturday, 12 September 2020 - 22:18
Fan Controller IC driver circuit
Hi All   I require a simple FAN controller, i am thinking about using the EMC2301 , unless there is a better solution?   I was considering using a an AVR...
Friday, 11 September 2020 - 12:00
water level conductive test
Hi All   I need a simple sensor, that can test if water level has dropped below a certain limit in a container.    I do not need any measurements for this...
Tuesday, 1 September 2020 - 17:58
Solder balls on pcb after using a stencil
Hi All   I have stencil for my PCB, but on certain places, there are small solder balls generating. Does this indicate that i need to reduce the thickness and aperture of my...
Monday, 31 August 2020 - 20:05
Solar Panel for Li-Poly Charging for Cloudy Sky(UK Weather)
Hi All   I have a PCB, that is powered using a 2000mAh Li-Poly battery and Charging IC, that is powered with 5V USB cable at 0.5A. That battery last about 2 days...
Saturday, 22 August 2020 - 11:04
PCB Stencils, thickness and solder paste
Hi All   I am awaiting for the delivery of my solder stencil printer, therefore am i preparing a stencil order for some pcbs.   I usually order PCBS from a company...
Friday, 17 July 2020 - 12:09

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