megaTinyCore
Arduino_FreeRTOS_Library
| megaTinyCore | Arduino_FreeRTOS_Library | |
|---|---|---|
| 17 | 3 | |
| 529 | 809 | |
| - | - | |
| 8.3 | 6.7 | |
| 15 days ago | 11 days ago | |
| C | C | |
| GNU General Public License v3.0 or later | MIT License |
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megaTinyCore
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SOP Arduino-compatible MCU?
They're compatible with Arduino by using the megaTinyCore and programmed with an UPDI programmer. A homemade UPDI programmer can be made with a USB-Serial adaptor and a Schottky diode (instructions on that site).
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Best way to migrate from an arduino-based system to a purely microcontroller-IC one?
Programming is done via the Arduino IDE, although NOT all libraries work. See: https://github.com/SpenceKonde/megaTinyCore/blob/master/megaavr/extras/LibraryCompatibility.md
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I got an ATTiny1616 development board. How do I connect the two and flash the code (basic blink example) from the Arduino Nano to the ATTiny1616? Thanks.
Go check the site for the Arduino megaTinyCore which includes amongst other things instructions on how to make a programmer for that kind of ATTiny microcontroller (the so-called "modern" attinys).
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Interested in a MIDI-capable relay bypass?
So this megaTinyCore GitHub page talks a lot about the programmers and various ways you can flash to these chips. I basically used 3 male header pins (vcc, gnd, updi) connected to a modified serial programmer that I insert into pads on the board. Crude but honestly pretty painless and effective.
- Used an Atmega328 with Arduino optiboot years ago — is this outdated?
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question about choosing the right microcontroller for a small LED programming job.
You can program them with Arduino using the MegaTinyCore and you upload programs to it using the UPDI protocol which uses just one wire. You can make a programmer for it with with a Serial-USB Adaptor, a schottky diode and some wires - all the instructions in the link above.
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I need help understanding pin naming notation for bit-bang applications...
Yeah, do a quick search for PIN1_bm in this file https://github.com/SpenceKonde/megaTinyCore/blob/master/megaavr/extras/ioheaders/iotn412.h
- megaTinyCore is missing?
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Cheap ADC / alternatives to ADS1115/ADS1015
The modern line up of ATtiny micro controllers is pretty sweet. They go for under a dollar a piece on digikey (best place to get them). They are mostly surface mount so an ebay smd adapter board kit makes them easy to use. I picked the attiny1604 but there are many variations. This is the arduino core for them and if you scroll down has all the info and variation comparison. https://github.com/SpenceKonde/megaTinyCore
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Attiny 1626 Issues with 18B20 temperature sensor
I am programming the Tiny via UPDI through a Arduino Nano using the Arduino IDE with the MegaTinyCore. It does verify the code after upload. I can use a 1306 display (I2C), and manipulate all the GPIO's with no issue. I can use the same GPIO that I have hooked the 18B20 up to for anything else, just not 1-Wire. I have tried other GPIO with the same response. I am using the example for the Dallas Temperature and update the pin assignment. The exact same code works fine on a 328P with the same sensor, so I dont doubt it is a library issue but I'm not experienced enough to figure out exactly where the issue could be.
Arduino_FreeRTOS_Library
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RTOS for AVR Microcontroller
Have you looked at arduino freertos? Maybe it can give you a reference.
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is esp32 a must to integrate Arduino with FreeRTOS?
FreeRTOS is supported on the AVRs, but it's not clear if it supports Arduino boards well. There is a (less popular/maintained) fork of FreeRTOS for Arduino boards. Unless you are using the "bigger" boards, I would stay away from FreeRTOS on the small boards (Uno, Nano, etc) just based on the fact that it doesn't seem to be "mainstream", so you are likely to be the first person to encounter bugs.
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Can Arduino be used for PCs?
FreeRTOS for Arduino exists, but I've never used it so I can't say how limited it is.
What are some alternatives?
jtag2updi - UPDI programmer software for Arduino (targets Tiny AVR-0/1/2, Mega AVR-0 and AVR-DA/DB MCUs)
freertos-teensy - FreeRTOS port with C++ std::thread support for ARM boards Teensy 3.5, 3.6, 4.0 and 4.1 (cortex-m4f and cortex-m7f)
MegaCoreX - An Arduino hardware package for ATmega4809, ATmega4808, ATmega3209, ATmega3208, ATmega1609, ATmega1608, ATmega809 and ATmega808
HeliOS - A community delivered, open source embedded operating system project.
ATTinyCore - Arduino core for ATtiny 1634, 828, x313, x4, x41, x5, x61, x7 and x8
MegaCore - Arduino hardware package for ATmega64, ATmega128, ATmega165, ATmega169, ATmega325, ATmega329, ATmega640, ATmega645, ATmega649, ATmega1280, ATmega1281, ATmega2560, ATmega2561, ATmega3250, ATmega3290, ATmega6450, ATmega6490, AT90CAN32, AT90CAN64 and AT90CAN128
Arduino-Temperature-Control-Library - Arduino Temperature Library
arv32-opt - [Tested successfully] Linux on Arduino UNO / atmega328p port of mini-rv32ima. Let's run Linux on the world's worst Linux PC (and beat Dmitry Grinberg)
C64-Collection - Collection of cartridges, adapters and replacements for the Commodore C64
luos_engine - Open-source and real-time orchestrator for cyber-physical-systems, to easily design, test and deploy embedded applications and digital twins.
Arduino_GFX - Arduino GFX developing for various color displays and various data bus interfaces
arduino-pico - Raspberry Pi Pico Arduino core, for all RP2040 boards