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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
LiPoly Manufacture
Hi All   Can anyone recommend a reliable Li-Poly Manufacture?    We are interested in purchasing some batteries, but would would like some advice.
Tuesday, 14 July 2020 - 14:05
GSM module, lock up due to battery?
Hi All   I would like to know if someone has had similar issue to what i am experiencing.   I am using the Quectel BG95/96.  The module is powered with Li-poly...
Sunday, 12 July 2020 - 11:49
ATxmega256a3bu RTC32, and Calander data/time
Hi All   I am using the ATxmega256a3bu RTC32.   I would like to add some type of counter, which will hold UTC time, day of the week    What is the best...
Thursday, 2 July 2020 - 11:18
PCB Solder Paste Stencil Printers
Hi All   I just want to know what other opinion are on Stencil printers such as  https://neodenusa.com/fp2636-frameless-stencils   Is there a reason why they...
Tuesday, 23 June 2020 - 20:31
AVR2054 bootloader advice
Hi All   I have used the  AVR2054 bootloader "Bootloader_Atmega128rfa1_BitCloud_OTAU" for my device Atmega128rfa. This lets my program the device using UART 1....
Monday, 22 June 2020 - 21:07
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