threeboard
MiniCore
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| threeboard | MiniCore | |
|---|---|---|
| 5 | 8 | |
| 105 | 939 | |
| - | - | |
| 0.0 | 7.3 | |
| almost 2 years ago | 3 months ago | |
| C++ | C++ | |
| - | GNU General Public License v3.0 or later |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
threeboard
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Show HN: Threeboard – a full-size mechanical USB keyboard with only three keys
I tried to give a bit of an overview of this in the 'hardware design' section of the documentation [0]. It has some external links to further documentation and tutorials in it too. But the learning curve is very steep.
I'd maybe suggest looking for an electrical engineering intro book or course at a level you feel comfortable with, just to get an idea of the basics.
For the ErgoDox keyboard, the schematic is actually available on their own repo [1], but it's going to look quite intimidating initially. But I found a pretty great looking article explaining the electrical design of the ErgoDox that you might find useful [2].
[0]: https://github.com/taylorconor/threeboard/blob/master/docume...
- Threeboard: A fully-functional open source and open hardware mechanical USB keyboard with only three keys!
MiniCore
- Barebone ATmega328 project at 8Mhz
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Arduino Uno Bootloader flash Issues
I used MiniCore with some help from this ARTICLE and was able to flash my uno but encountered some more problems
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definitive guide on programming the SMD ATmega328 or ATmega32u4?
Once you buy the programmer, install the drivers on your computer. Your Arduino IDE will also need the correct "boards" installed to program all the different microcontrollers. This is done through the "Boards Manager." Use the MiniCore GitHub page to install the Atmega328.
- Having trouble communicating with a CP2102 IC on a custom board. Simplicity Studio says it is not recognised properly even though it does show up. Tried replacing drivers with Zadig, no change. Perhaps the schematic is wrong?
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ATMEGA328 16MHz flash to 8MHz (without crsytal)
I meant MiniCore
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ATMEGA328PB-MU TWI Issue
To be on the safe side you may want to install a 3rd party "Arduino core" specific for this chip, in case some pinouts or constants were changed compared to to earlier ATmega328 chips. Google gave me this: https://github.com/MCUdude/MiniCore ; others may exist.
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Burning a bootloader onto an ATmega328p.
If you do want to use the Arduino libraries and Arduino IDE as normal you need to install MCDude's MiniCore which is an implementation of Arduino that lets you work directly with the chips (i.e. the "board" in the Arduino IDE is the chip directly). In the link above you can find amongst others install instructions and the maps of the chip pins to Arduino pins (which you need to know which microcontroller pin corresponds to which Arduino pin number when you do things like digitalWrite).
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Running ATMEGA328P at 27mhz?
You'd need to create your own board definition as the default install only handles 16MHz. MCUdude's MiniCore core shows how this could be done: https://github.com/MCUdude/MiniCore
What are some alternatives?
modm - modm: a C++23 library generator for AVR and ARM Cortex-M devices
MightyCore - Arduino hardware package for ATmega1284, ATmega644, ATmega324, ATmega324PB, ATmega164, ATmega32, ATmega16 and ATmega8535
docs - Misc ErgoDox EZ Files
MajorCore - An Arduino hardware package for ATmega8515 and ATmega162
Marlin - Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
FastAccelStepper - A high speed stepper library for Atmega 168/328p (nano), Atmega32u4, Atmega 2560, ESP32, ESP32S2, ESP32S3, ESP32C3 and Atmel SAM Due
EmbeddedProto - Embedded Proto is a C++ Protocol Buffers implementation specifically suitable for microcontrollers. It is small, reliable and easy to use.
keyboard-firmware - Keyboard firmware for Teensy 3.2 and Teensy LC
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
Serial-Studio - Multi-purpose serial data visualization & processing program
eeprom-programmer - An Arduino Nano sketch and schematic for an Atmel 28cx programmer.