Microprocessors
Posts about microprocessors.
109 threads
| Subject | Started by | Posts | Views | Last post |
|---|---|---|---|---|
| Timers and counters | Nick Gammon | 21 | 415,164 | Sun 03 Mar 2024 by Nick Gammon |
| Keypad handling program to handle multiple keys (stenography style) | Nick Gammon | 1 | 8,177 | Fri 21 Jul 2023 by Nick Gammon |
| IC chip tester | Nick Gammon | 1 | 18,084 | Fri 07 Jan 2022 by Nick Gammon |
| Interfacing LED displays with the MAX7219 driver | Nick Gammon | 9 | 191,637 | Tue 10 Apr 2018 by Nick Gammon |
| Using a keypad matrix | Nick Gammon | 2 | 49,133 | Fri 16 Mar 2018 by Nick Gammon |
| Solar powered Arduino | Nick Gammon | 2 | 81,015 | Fri 16 Feb 2018 by Nick Gammon |
| bug in I2C_Anything.zip | Brian J. Murrell | 5 | 27,305 | Fri 26 Jan 2018 by Nick Gammon |
| Temperature and humidity sensor - battery powered | Nick Gammon | 3 | 73,592 | Sun 10 Dec 2017 by Nick Gammon |
| Blink sketch explained | Nick Gammon | 2 | 18,608 | Wed 04 Jan 2017 by Nick Gammon |
| Rotary encoders and interrupts | Nick Gammon | 3 | 48,280 | Sat 24 Dec 2016 by Nick Gammon |
| RS485 communications | Nick Gammon | 4 | 270,967 | Sat 20 Aug 2016 by Nick Gammon |
| ADC conversion on the Arduino (analogRead) | Nick Gammon | 6 | 225,924 | Sun 10 Apr 2016 by Nick Gammon |
| Simple method for using NeoPixels (WS2812 LED strip) | Nick Gammon | 1 | 21,920 | Sat 12 Mar 2016 by Nick Gammon |
| I2C - Two-Wire Peripheral Interface - for Arduino | Nick Gammon | 12 | 658,238 | Wed 03 Feb 2016 by Nick Gammon |
| Buttons, I2C, interrupts and port-expanders | Nick Gammon | 36 | 228,363 | Fri 11 Sep 2015 by Nick Gammon |
| Calling an ISR from a class | Nick Gammon | 1 | 22,014 | Sat 05 Sep 2015 by Nick Gammon |
| Tiny web server for Arduino or similar | Nick Gammon | 1 | 23,288 | Tue 21 Jul 2015 by Nick Gammon |
| Switches tutorial | Nick Gammon | 3 | 130,690 | Thu 16 Jul 2015 by Nick Gammon |
| Power saving techniques for microprocessors | Nick Gammon | 9 | 758,589 | Tue 07 Jul 2015 by Nick Gammon |
| Arduino Uno output to VGA monitor | Nick Gammon | 5 | 194,331 | Sun 07 Jun 2015 by Nick Gammon |
| High-voltage programming for AVR chips | Nick Gammon | 1 | 45,400 | Wed 27 May 2015 by Nick Gammon |
| Atmega chip stand-alone programmer to upload .hex files | Nick Gammon | 7 | 148,085 | Sun 03 May 2015 by Nick Gammon |
| RFID readers for access control / event management / parties | Nick Gammon | 1 | 19,583 | Sun 03 May 2015 by Nick Gammon |
| Atmega bootloader programmer | Nick Gammon | 4 | 516,974 | Tue 21 Apr 2015 by Nick Gammon |
| RFID reader - HZ-1050 | Nick Gammon | 2 | 24,417 | Fri 17 Apr 2015 by Nick Gammon |
| How to do multiple things at once ... like cook bacon and eggs | Nick Gammon | 3 | 113,856 | Fri 10 Apr 2015 by Nick Gammon |
| Simple project - torch-locator | Nick Gammon | 1 | 16,674 | Wed 25 Feb 2015 by Nick Gammon |
| SPI - Serial Peripheral Interface - for Arduino | Nick Gammon | 10 | 492,281 | Sun 22 Feb 2015 by Nick Gammon |
| Declaration vs Definition in C | Nick Gammon | 1 | 9,112 | Sun 22 Feb 2015 by Nick Gammon |
| Number bases | Nick Gammon | 1 | 10,155 | Tue 17 Feb 2015 by Nick Gammon |
| MIDI decoder | Nick Gammon | 1 | 14,978 | Thu 05 Feb 2015 by Nick Gammon |
| Driving motors, lights, etc. from an Arduino output pin | Nick Gammon | 4 | 156,116 | Tue 03 Feb 2015 by Nick Gammon |
| millis() overflow ... a bad thing? | Nick Gammon | 2 | 82,161 | Fri 23 Jan 2015 by Nick Gammon |
| Sketch to detect Atmega chip types | Nick Gammon | 4 | 139,386 | Tue 28 Oct 2014 by Nick Gammon |
| Interrupts | Nick Gammon | 11 | 846,919 | Wed 15 Oct 2014 by Nick Gammon |
| How to avoid the quirks of the IDE sketch file pre-preprocessing | Nick Gammon | 1 | 34,829 | Sun 12 Oct 2014 by Nick Gammon |
| Toorum's Quest II - Retro video game and console | Nick Gammon | 1 | 18,602 | Sat 11 Oct 2014 by Nick Gammon |
| Putting constant data into program memory (PROGMEM) | Nick Gammon | 5 | 103,629 | Sun 05 Oct 2014 by Nick Gammon |
| Lightweight pseudo-random number generator for Arduino | Nick Gammon | 1 | 9,494 | Thu 02 Oct 2014 by Nick Gammon |
| Function pointers / function callbacks / function variables | Nick Gammon | 1 | 67,373 | Tue 23 Sep 2014 by Nick Gammon |
| Alarm clock from Atmega328 and 7-segment display | Nick Gammon | 3 | 59,253 | Wed 18 Jun 2014 by Nick Gammon |
| State machines | Nick Gammon | 1 | 42,021 | Wed 04 Dec 2013 by Nick Gammon |
| LED multiplexing with Arduino alone | Nick Gammon | 1 | 16,836 | Mon 02 Dec 2013 by Nick Gammon |
| Arduino generating prime numbers | Nick Gammon | 2 | 17,318 | Fri 29 Nov 2013 by Nick Gammon |
| Hacking a scrolling LED strip sign | Nick Gammon | 1 | 16,851 | Thu 14 Nov 2013 by Nick Gammon |
| Why does it take 1000 bytes to blink one LED? | Nick Gammon | 1 | 12,554 | Mon 21 Oct 2013 by Nick Gammon |
| Arduino programming traps, tips and style guide | Nick Gammon | 1 | 108,953 | Sat 28 Sep 2013 by Nick Gammon |
| Integer arithmetic and overflow | Nick Gammon | 1 | 13,155 | Mon 16 Sep 2013 by Nick Gammon |
| Reading and concatenating strings on the Arduino ... the best method? | Nick Gammon | 1 | 28,717 | Tue 13 Aug 2013 by Nick Gammon |
| Turn your Arduino into a capacitor tester ... | Nick Gammon | 1 | 30,643 | Sun 14 Jul 2013 by Nick Gammon |
| GPS digital clock | Nick Gammon | 1 | 14,869 | Thu 04 Apr 2013 by Nick Gammon |
| Using a 74HC165 input shift register | Nick Gammon | 1 | 79,778 | Sat 23 Mar 2013 by Nick Gammon |
| 74HC4051 multiplexer / demultiplexer | Nick Gammon | 1 | 82,951 | Thu 14 Mar 2013 by Nick Gammon |
| Using the Arduino Analog Comparator | Nick Gammon | 1 | 61,448 | Sat 26 Jan 2013 by Nick Gammon |
| Arbitrary precision (big number) library port for Arduino | Nick Gammon | 2 | 47,917 | Tue 22 Jan 2013 by Nick Gammon |
| Power-saving on Arduino Question | Zajebiscie | 2 | 16,558 | Sat 15 Dec 2012 by Nick Gammon |
| Arduino Uno I2C with (motorshield) in Matlab | Ejri | 1 | 7,812 | Fri 14 Dec 2012 by Nick Gammon |
| RS485 compile errors | PyrotechMick | 10 | 35,740 | Fri 14 Dec 2012 by Nick Gammon |
| RS485 library - issue handling and interrupts | Rasihasi | 4 | 22,200 | Mon 03 Dec 2012 by Nick Gammon |
| Elapsed Timer Library on Arduino 1.02 | BlackSnake | 3 | 18,361 | Sun 25 Nov 2012 by BlackSnake |
| External timer in order to shutdown | Denisj | 3 | 16,239 | Thu 15 Nov 2012 by Denisj |
| SPI Arduino Slave transmitting data | Sajid Zaman | 2 | 18,431 | Sun 04 Nov 2012 by Nick Gammon |
| Atmega bootloader programmer comments | Paul_N | 9 | 38,381 | Mon 29 Oct 2012 by Nick Gammon |
| ADC register setup using SPI. | Vema | 1 | 7,949 | Sat 13 Oct 2012 by Nick Gammon |
| Problems with atmega328p-pu bootloader | Leonardo Calixto | 4 | 23,320 | Thu 11 Oct 2012 by Nick Gammon |
| Leonardo as ISP | Albee320 | 2 | 14,008 | Wed 22 Aug 2012 by Nick Gammon |
| Problem converting bootloader codes | Anish | 5 | 22,800 | Mon 20 Aug 2012 by Anish |
| Create less but bigger characters on VGA with Arduino | Magsmg | 4 | 19,664 | Wed 15 Aug 2012 by Nick Gammon |
| WOW! How to make an Arduino-compatible minimal board - WireWrapping?! | Ioflex | 5 | 24,215 | Sat 07 Jul 2012 by Ioflex |
| Connecting a graphical LCD via a I2C/SPI using a 16-bit port expander | Nick Gammon | 21 | 273,883 | Wed 13 Jun 2012 by Ijohnson |
| Freeze-frame flash photography | Nick Gammon | 1 | 13,708 | Tue 05 Jun 2012 by Nick Gammon |
| I2C hanging problem - 2 Arduino's and an 3.3V I2C Sensor TMP102 | Ppl4world | 2 | 14,871 | Sat 02 Jun 2012 by Nick Gammon |
| Frequency counter | Willy | 5 | 22,807 | Thu 24 May 2012 by Willy |
| Atmega Fuse Calculator sketch | Nick Gammon | 1 | 34,819 | Tue 22 May 2012 by Nick Gammon |
| Rotary encoder for 4wd bot | Talasyn | 3 | 16,517 | Tue 15 May 2012 by Talasyn |
| Solving problems with uploading programs to your Arduino | Nick Gammon | 1 | 58,642 | Mon 14 May 2012 by Nick Gammon |
| How to make an Arduino-compatible minimal board | Nick Gammon | 2 | 347,345 | Mon 14 May 2012 by Nick Gammon |
| How is program encoder RM22S with Absolute binary synchro-serial interface (SSI) | Alechco | 2 | 13,312 | Sat 12 May 2012 by Nick Gammon |
| Connecting SRAM to your microprocessor using SPI | Nick Gammon | 5 | 49,087 | Sat 12 May 2012 by Nick Gammon |
| Using a 74HC595 output shift register as a port-expander | Nick Gammon | 2 | 100,369 | Wed 02 May 2012 by Nick Gammon |
| Library for MicroVGA adapter | Nick Gammon | 1 | 12,015 | Tue 17 Apr 2012 by Nick Gammon |
| How to measure Current being drawn by Arduino Platform | Vik | 5 | 22,869 | Wed 04 Apr 2012 by Vik |
| How to process incoming serial data without blocking | Nick Gammon | 4 | 213,018 | Sat 31 Mar 2012 by Nick Gammon |
| Before posting a programming question on the Arduino site, read this! | Nick Gammon | 1 | 10,072 | Mon 26 Mar 2012 by Nick Gammon |
| RS485 protocol comms problem | Alpal | 3 | 17,074 | Tue 28 Feb 2012 by Alpal |
| Dummy load | Nick Gammon | 1 | 24,214 | Sun 05 Feb 2012 by Nick Gammon |
| 4-digit display made from minimal parts | Nick Gammon | 1 | 26,693 | Fri 03 Feb 2012 by Nick Gammon |
| Multiple data over Serial port | Catalina | 3 | 17,170 | Fri 27 Jan 2012 by Catalina |
| Turn your Arduino into an AM radio transmitter! | Nick Gammon | 1 | 15,965 | Mon 23 Jan 2012 by Nick Gammon |
| Elapsed time class | Nick Gammon | 7 | 31,257 | Mon 23 Jan 2012 by Nick Gammon |
| Remote controlled car | Nick Gammon | 4 | 42,207 | Sun 22 Jan 2012 by Nick Gammon |
| Permission | Fribbe | 3 | 16,141 | Thu 12 Jan 2012 by Fribbe |
| Arduino Uno Rev3 pinouts photo | Nick Gammon | 1 | 156,209 | Thu 22 Dec 2011 by Nick Gammon |
| Debugging using SPI/I2C and a second processor | Nick Gammon | 3 | 43,152 | Sun 04 Dec 2011 by Nick Gammon |
| Saving power | Nick Gammon | 3 | 29,091 | Sat 03 Dec 2011 by Nick Gammon |
| interfacing DS1682 Elapsed time counter | Pragadheeswaran | 2 | 14,615 | Mon 26 Sep 2011 by Nick Gammon |
| How to update the bootloader on an Arduino using an AVR Dragon | Nick Gammon | 1 | 30,191 | Thu 22 Sep 2011 by Nick Gammon |
| Connecting 512 Kbyte EEPROM (flash memory) to your processor using SPI | Nick Gammon | 11 | 59,215 | Fri 16 Sep 2011 by Andrewr123 |
| Timer library (ProfileTimer) - times code on the Arduino | Nick Gammon | 5 | 50,172 | Fri 19 Aug 2011 by Greete |
| Simple RFID security system | Nick Gammon | 1 | 27,457 | Fri 05 Aug 2011 by Nick Gammon |
| Need DC to DC converter for Homebuilt Airplane | Joe Walburn | 2 | 14,238 | Sat 09 Jul 2011 by Nick Gammon |
| Programming the PICAXE 08M | Nick Gammon | 5 | 36,154 | Thu 07 Jul 2011 by Joe Walburn |
| Minimal circuit for Atmega328 processor (shows wire-wrapping) | Nick Gammon | 1 | 68,130 | Sun 15 May 2011 by Nick Gammon |
| Multiple interrupts on one pin - wired "or" configuration | Nick Gammon | 1 | 17,307 | Tue 10 May 2011 by Nick Gammon |
| Comparison of transfer protocols | Nick Gammon | 1 | 24,696 | Mon 07 Feb 2011 by Nick Gammon |
| Why electronics? | Nick Gammon | 6 | 27,243 | Sat 29 Jan 2011 by Nick Gammon |
| Parallel Peripheral Interface - for Arduino | Nick Gammon | 1 | 18,628 | Sat 29 Jan 2011 by Nick Gammon |
| 1-Wire Peripheral Interface - for Arduino | Nick Gammon | 1 | 27,270 | Sat 29 Jan 2011 by Nick Gammon |
| Async (Serial) peripheral interface - for Arduino | Nick Gammon | 1 | 50,131 | Tue 25 Jan 2011 by Nick Gammon |