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What is the value & voltage ratings of this capacitor
What is the value & voltage ratings of this capacitor   1. Attached find a pic of a board. This is capacitive supply board & two capacitor in series are used. The...
Monday, 6 February 2017 - 05:09
TLE4309, Dimmer using 10K pot, 3W white led
1. I have to connect a 3W white led light as here:   http://tinyurl.com/jpj3gnu & control its intensity using a 10K potentiometer. 2. If = 0.7A Vf min = 3.2V Vf max = 4....
Friday, 13 January 2017 - 15:35
Balancing IC S19190E suitability
I need a balancing solution in battery pack. Only balancing is required no other function is need.  http://www.sii-ic.com/en/semicon... 1. This IC has two functions,...
Sunday, 8 January 2017 - 06:16
High Wattage white led with LM2576 & variable intensity problem
High Wattage white led with LM2576 & variable intensity problem   1. I have to drive a white led. Input voltage is 6V-8.4V. I need to vary the intensity using a...
Wednesday, 4 January 2017 - 16:40
QR code generate in microcontroller
1. I have to generate QR code, have string of 100 bytes which needs to be fit in. Controller I am using is Atmega2560 arduino.  generated code is to be shown on TFT & to...
Wednesday, 7 December 2016 - 08:19
Problem Reading ADE7753 arduino
1. I had made a code for reading ADE7753. I am using library for ADE7753 also. Attached is schematic. Both arduino & ADE7753 is 5V powered. 2. Code gets stuck in liobrary code...
Monday, 28 November 2016 - 05:38
ASIC solution for 20S Li-Ion BMS
1. Battery Management System for 20 Serial cells Li-IOn battery. Each cell voltage range: 2.7V to 4.2V with typical 3.6V. So entire system voltage range is : 54V-84V   2. The...
Monday, 14 November 2016 - 13:11
Programming custom Atmega2560 using Arduino
1. I have made a customized board using Atmega2560. Code is made using Arduino 1.6.5. Currently I am testing my code on arduino Atmega2560 board. Now have to shift code to...
Monday, 31 October 2016 - 16:40
Energy meter schematic query
I have made a schematic using ADE7753. Attached is the ckt. ADE7753 is powered from 5V & micocontroller is 3.3V one.   1. In the ckt I found that neutral of system has to...
Thursday, 27 October 2016 - 02:07
PTC for pasting on CHG/DSG mosfet for overtemperature protection
1. I have made a ckt on Bq40z50-R1. PTC is used for protection of thermal runaway of CHG/DSG mosfets.   2. Datasheet recommends PRF18BA103QB1RB, whose datasheet can be found...
Friday, 21 October 2016 - 07:16
Arduino Json library query; Atmega2560
For JSOn format using this library: https://github.com/bblanchon/Ard... 1. I have defined Json using:     StaticJsonBuffer<80> jsonBuffer;     JsonArray...
Friday, 14 October 2016 - 06:17
SIM800 TCP/IP init code using Arduino Mega
1. I have to write SIM800 TCP/IP code using mega2560. Earlier I was trying to use seeeduino library on my locally purchased SIM800. It has three pins Rx, Tx & Gnd as output....
Wednesday, 12 October 2016 - 04:39

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