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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
Selecting IC for auto-switch to battery, in case of mains(dc) absent
1. I have a system, where: a) Input SMPS is 11-14V, where it is used to charge battery with 2.5Amps and supply 12.5Amps to load also. b) SMPS is used to charge lithium battery...
Monday, 14 September 2020 - 11:46
Low cost mosfet replacement for diode in boost application
1. have a boost circuit where: a) Vin: 8.1V to 12.3V b) Vout = 12.3V/12.5Amps  (If 12V/12.5A possible then better, but my ckt gives 12.3V, otherwise need to switch to sepic...
Saturday, 5 September 2020 - 05:20
Alternative freelancing websites
I found upwork good website and recently got one work there also. I was wondering if there are equivalent websites also for freelancers, which are genuine also.   Was reading...
Thursday, 27 August 2020 - 15:46
MCU PWM from 5V to 10V
1. I have give PWM to meanwell driver here: https://www.digikey.in/product-d...   2 .MCU power is entirely different than meanwell driver. So MCU gnd is different than...
Wednesday, 19 August 2020 - 08:56
Why IAR produces different code size for Debug and release
1. I am using IAR for 8 bit MCU, IAR shared version: 8.3.2.5988   2. I have made code optimization and linker optimization settings same for both release and debug.   3...
Thursday, 6 August 2020 - 14:06
No code for android app , only drag and drop method
I have to make very simple app like press button "Read", and read data coming on Bluetooth, press button "write" , send data on android bluetooth.  I was looking for drag and...
Sunday, 2 August 2020 - 15:09
Curve fit for sensor equation
1. Have a thermistor, data whose dataset is available not anything else from company except B value. Attached is data.   2. Trying to make a equation for it and implement for...
Wednesday, 8 July 2020 - 06:14
ADC reading falling overtime when measured
1. I am interfacing sensor thermopile and thermistor , whose data-sheet is attached.   2. Here is schematic of 24 bit adc which is used to measure thermopile mV and...
Saturday, 4 July 2020 - 07:40
DS1307 Read error I2C by bit banging.
1. I have written below code, have to just read the times from RTC. So I read all registers starting from 0x00.I always zero from RTC DS1307.   2. Time is set by Arduino...
Thursday, 2 July 2020 - 07:56

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