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Identifying the IC manufacturer in link
1. Here is the link for which I have to find the IC manufacturer:   https://www.google.co.in/imgres?... 2. Its a Li-Ion battery protection IC, 20 Pin SOP package, 9 & 10...
Sunday, 1 October 2017 - 11:35
caution to take; AC input for SMPS/Charger through generator
1. We need to install a SMPS based lithium battery chargers 29.2V/15A in a system.   2. System is always powered by generator, which runs around 6 hours a day. Seems a bit...
Sunday, 17 September 2017 - 08:29
Enroll Finger print creates issues; Adafruit Library
1. I am using Uno, finger print module & Adafruit library.   2. With using all the library all the function works ok, like delete, scan but i have some issues in Enroll...
Tuesday, 5 September 2017 - 02:16
Lithium Ion cells for high temperature operation
1. Need to use Lithium Ion batteries around 220mAh & 2000mAh types, in temperature range of -40C to 85C. Any known manufactures? 2. One is tadrian, another EVE battery has...
Sunday, 3 September 2017 - 07:54
Understanding DP1903 timing (WS2811 variant)
1. I am writing code for interfacing DP1903 with MCU. MCU is run by 16Mhz internal oscillator. As per DP1903 datasheet; TIH = 2us & T1L = 0.5us  +-150ns T0H = 0.5us...
Sunday, 20 August 2017 - 18:39
Pt100 code using direct mathematical equation & Piecewise Linear Approximation
1. I have made to code to convert RTD resistance into temperature. It is attached. It used direct mathematical method. made using Analog device AN709.   2. Code is also...
Saturday, 19 August 2017 - 08:09
Selecting right capacitor filter values, while measuring ac mains
1. I am measuring ac mains directly though microcontroller. Microcontroller is power by isolation. So what I did, I put a divider of 330K & 2.2K between line & neutral....
Saturday, 19 August 2017 - 07:32
Converting 110Vac to 220Vac
1. I have made a circuit operating from 220Vac/50Hz. It had capacitive supply to power up the microcontroller, which inturn controls the triac to switch 220Vac/50Hz to heating...
Tuesday, 1 August 2017 - 10:57
MCU Interfacing with WS2811, external crystal required ?
1. I need to interface MCU with WS2811. I want to know if external crystal is required for it or not, as WS2811 has very tight timings. I prefer to generate timing through NOP's...
Monday, 10 July 2017 - 17:44
How much is ZI,RW,RO & Code in arduino
1. I am using Arduino 1.8.1 & made a code in it. Board it Atemga2560 R3. 2. Final code size is:    a) 674 bytes (8%) of dynamic memory, leaving 7518 bytes for local...
Sunday, 9 July 2017 - 07:22
Warning in arduino , ignore them or how to correct them
1. I am using Arduino 1.8.1 & made a code in it. Board it Atemga2560 R3     2. I had made multiple .ino files in it & multiple headers in it. It has total 16 ....
Sunday, 9 July 2017 - 06:26
SMPS in series function
1. I need to make 200Vdc/5Adc SMPS from 220Vac/50Hz. 2. Its very high dc voltage. But I have 50Vdc/5A SMPS which has internal current limiting i.e if load ever tries to draw more...
Saturday, 8 July 2017 - 07:46

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