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What is the relation between ADC resolution and DVM digits??
Hi freaks   I have a few mcp3424(18 bit adc) lying around & recently ordered a OLED display.So i was thinking to build a precise DVM with that.As per this link,a 5.5...
Tuesday, 14 February 2017 - 13:01
virtualwire not decoding data
Dear freaks   I just ported the virtualwire library from Arduino to AVR platform and seperated the Tx & Rx functions.In the Tx side,I am using ATTINY45@8MHz and on the...
Saturday, 11 February 2017 - 13:18
Elm-chan's audio spectrum FFT program returning unexpected values
Hi freaks First of all,belated Happy new year to all of you guys!! Recently I was working on a audio spectrum analyzer using MSGEQ7 but the chinese crap IC seems to be faulty.So...
Tuesday, 17 January 2017 - 06:35
Defining a single port from different port pins
I want to interface a 128x64 GLCD to atmega328P.I want to connect the LCD data pins to partial pins of PortB & PortC of AVR and act them as a single port.How is that possible....
Thursday, 22 December 2016 - 19:07
Precise 5v ref(REF02EP+ vs MAX6126AASA50+) for Programmable PSU
Hi freaks   I am designing an Atmega based precision(upto 2 decimal places) 0-35v power supply.I designed the circuit and need a stable 5v ref.I have both REF02EP+ and...
Tuesday, 2 August 2016 - 16:05
Queries regarding Digital power supply design
I was designing a 0-35v/6A power supply with keypad entry with ATMEGA32.The main idea is to output calculated output voltage by a 12 bit DAC and feed it to an op-amp configured as...
Thursday, 30 June 2016 - 21:41
Does frequent reading slows down DS3231 RTC???
Hi freaks   Recently i was building a precise timeclock with mega328 and GLCD and DS3231.I was using a Casio G-shock(Pretty accurate I think) as my reference.I found that my...
Thursday, 23 June 2016 - 21:31
Problem in AC fan speed control(using ZCD and Atmega8A) when running on Inverter
I recently built an AC fan speed control circuit using Atmega8a using Triac and ZCD method.I am attaching the necessary circuit regarding the triac firing and ZCD.The Atmega is...
Tuesday, 31 May 2016 - 18:00
Replacement needed for ESP8266
Dear freaks recently i was using ESP8266(ESP-01) with mega8A to log temperature to Thingspeak.Setup was running successfully.But after a long run of 4 days,my esp8266 failed for...
Thursday, 24 March 2016 - 13:10
Replacement needed for ESP8266
Dear freaks recently i was using ESP8266(ESP-01) with mega8A to log temperature to Thingspeak.Setup was running successfully.But after a long run of 4 days,my esp8266 failed for...
Wednesday, 23 March 2016 - 12:31
Help needed regarding STM32L476 nucleo ADC
Hi freaks First of all,i would like to appologize for starting a topic regarding stm32 in General electronics section/in AVR website...but i found no better match   * Locked...
Friday, 18 March 2016 - 20:49
Strange problem in ks0108 based 128x64 display at Digital preamp+power amp circuit
Dear freaks   i'm building a TDA7439 based digital preamp+LM3886 based power amp controlled by ATMEGA32.The LM3886 power amp building is complete.For the preamp purpose,i've...
Monday, 7 December 2015 - 10:35

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