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SOme IC are AEC-Q100 while some as ASIL-D Whats the difference?
Friday, 29 October 2021 - 14:53
Parallel two voltage source
1. Need to have two parallel "Mobile power bank" outputs. Each voltage source can max supply 5V/2.4Amps.   2. Load can vary from 0Amps to 4.8Amps. 3. Load sharing need not to...
Monday, 10 May 2021 - 12:01
Hysteresis in float value for temperature display
1. I am measuring temperature of PT100 whose value is calculated in float inside the code, but on display only integer value is displayed. Now what happens is when 31.9 or 32.0,...
Wednesday, 28 April 2021 - 15:19
Issue in sort array code, works on Mega2560 but not on 328
Made one sorting and averaging code , which takes an input array of float (250 bytes), sort them in ascending order, reject lower 50 values, reject upper 50 values, takes average...
Tuesday, 13 April 2021 - 12:30
Equivalent 48V/1Kw or higher charger
Looking to design a 48V/1KW or higher charger with switch(toggle) for lead acid or Li-Ion battery selection type.   Found one reference design from Infineon: https://www....
Sunday, 4 April 2021 - 11:43
Grounding in Rs485 for long wire communication
1. I have two devices which are are very far order of 10's of meters. Final distance depends upon installation site. 2. Now what I read is Rs485 is three wire(not 2 wire...
Saturday, 20 February 2021 - 15:47
Dividing 0 to 100% exponetially for dimming light
1. I need to dim a light 0 to 100% depending upon user input 0 to 100. Have a driver to which when I pass value 0 to 100% by microcontroller it dims the led accordingly.  ...
Saturday, 13 February 2021 - 15:30
NFC Credit/debit card data format payment protocol
I am trying to understand data format and how information is stored? Trying to read it by microcontroller. I found many different formats, is their any good website explaining...
Thursday, 28 January 2021 - 10:14
Low cost, Selecting between Vusb and Battery
  1. I have a circuit which has power coming from Vusb or Vbat. Current is 700mA max.   2. When power from Usb is coming, device should run on Vbus and Vbat should not...
Thursday, 10 December 2020 - 15:32
True sine wave oscillator for RF
1. Looking for a true/pure sine wave oscillator of fixed 40.68Mhz to drive this ckt:  https://www.mouser.in/ProductDet...   2. Found one source : https://...
Friday, 23 October 2020 - 05:36
What kind of sensor can used for measuring tape
I have application, where need to know how much elastic thread has been taken out from the device. Something like this: https://www.youtube.com/watch?v=... What kind of sensor is...
Saturday, 3 October 2020 - 14:46
3 phase High voltage ac to low power 5V dc out
1. Have 3 phase ac input with neutral, where each phase voltage goes from, 85V-600Vacrms 2. Need output at 5V/500mA 3. I was checking it:  https://www.st.com/resource/...
Thursday, 24 September 2020 - 14:29