http://dernulleffekt.de/ 2026-04-29T07:11:10+00:00 http://dernulleffekt.de/ http://dernulleffekt.de/lib/tpl/writr/images/favicon.ico text/html 2020-12-29T20:46:42+00:00 Anonymous (anonymous@undisclosed.example.com) http://dernulleffekt.de/doku.php?id=arduino:arduino&rev=1609271202&do=diff Arduino & Co ---------- Arduino Workarounds - Arduino MKR ZERO - Arduino Timer Settings ---------- Arduino Boards - Paper-Duinos - Arduino Boards/Extensions ---------- Arduino Like Boards - SAMD21 M0-Mini - Seeeduino XIAO - Espressif ESP32 - STM32duino ---------- Bootloader - SAMD21 Bootloader - Atmega328 Bootloader ---------- text/html 2021-01-30T15:16:36+00:00 Anonymous (anonymous@undisclosed.example.com) http://dernulleffekt.de/doku.php?id=arduino:arduino_mkrzero&rev=1612016196&do=diff Arduino MKR ZERO Arduino MKR ZERO (I2S bus & SD for sound, music & digital audio data) A great description and general information about the SAMD21 one could find here: SpartkFun SAMD21 Overview ---------- Installation First one has to install the Arduino SAMD boards. In tools/boardmanager search and install the Arduino SAMD Boards. text/html 2020-12-14T14:33:22+00:00 Anonymous (anonymous@undisclosed.example.com) http://dernulleffekt.de/doku.php?id=arduino:arduino_timer&rev=1607952802&do=diff Arduino Timer Setting Arduino Uno Set PWM frequency for pin D5 & D6 TCCR0B = TCCR0B & B11111000 | B00000001; // set timer 0 divisor to 1 for PWM frequency of 62500.00 Hz TCCR0B = TCCR0B & B11111000 | B00000010; // set timer 0 divisor to 8 for PWM frequency of 7812.50 Hz TCCR0B = TCCR0B & B11111000 | B00000011; // set timer 0 divisor to 64 for PWM frequency of 976.56 Hz (The DEFAULT) TCCR0B = TCCR0B & B11111000 | B00000100; // set timer 0 divisor to 256 for PWM frequ…