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Label printer datasheet
I got this cheap label printer from market. Need to be interface with arduino.   Any idea where I can find its datasheet. Seller didnt have it, asked to download from...
Thursday, 18 April 2019 - 14:29
Going to production, make Nano -atmega328p program, how to do it?
1. I have a arduino nano board & made a small project on it. Its running succesfully.   2. Now i want to go to program 100 more MCU and make own board which is customized...
Thursday, 21 March 2019 - 15:21
Problem reading Ps2 keyboard arduino
1. I am using arduino mega, and arduino 1.8.8. Code is compied using O3 optimization. I have changes Os to O3 in platform.txt at 3 places for fast code.   2. I have foloowing...
Wednesday, 6 March 2019 - 04:41
Arduino Mega PS2, don't work after power on off
1.  I am using arduino mega 2560. A PS2 keyboard is connected to read keys & display on segment. Library used is PS2Keyboard.cpp - PS2Keyboard library Written by...
Friday, 9 November 2018 - 10:46
Arduino Mega 2560 two interrupt issue
1. I am using arduino mega 2560. Connected are 20 segments together, refreshed every 500us. After every 500us, one segment is enable & written.   2. Also a PS2 keyboard...
Monday, 5 November 2018 - 12:25
What drive/buffer can be used for controlling 100 DP1903 by a MCU
1. Have to drive DP1903, 100 lights, each of 100leds , in sync as they glow So that all looks same.   2. I tried making different MCU for each individual DP1903 leight(100...
Tuesday, 11 September 2018 - 06:08
Measure intensity of particular instrument sound
1. Need to measure the intensity or loudness of particular musical instrument like guitar and based on its loudness i have to send a signal to pc. More the sound more the signal...
Friday, 24 August 2018 - 17:15
Lithium Ion battery indication by led through voltage measurement
1. Have to make a led level indicator of lithium battery of 7.4V (two cells in series of 3.7V each). Led level indications are 0-20,40,60,80 & 100% i.e by 5 leds.   2....
Tuesday, 12 June 2018 - 04:28
Sticker Printer on Thermal printer
1. I am using Atmega2560 & em205 thermal printer. https://hacktronics.co.in/therma...   Been able to print correctly text & bar-codes on thermal paper.    ...
Saturday, 31 March 2018 - 05:58
Print Code 128 barcodes on EM205 thermal printer
1. Need to print Code 128 barcodes on EM205 thermal printers. I am using arduino library here: https://github.com/adafruit/Adaf...   2. printer is EM205 running at 9600 baud...
Wednesday, 7 March 2018 - 02:11
Calculating Watt & Watt-hour consumed from battery
1. I have a data logger for 48V battery which takes reading every 1 second of voltage & current & store it in a file.   2. Reading is something like this: a) 47.4V,...
Sunday, 4 February 2018 - 04:51
Understanding Zero Cross Triac operation
1. I have a application in which need to turn on & off a load, resistive in  nature. mains is 220va/50Hz & load is 750ohms approx. MCu is +5V operated.   2. I...
Sunday, 24 December 2017 - 06:50

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