Lmst

This is how I go about writing #code for #AVR #microcontrollers. (For subscribers).

https://mspeculatrix.substack.com/p/avr-programming-a-dev-environment

#tech #technology #maker #computer #computer #programming #coding #atmega

I think the appeal is that the size corresponds with the price tag. Though not always the case, smaller stuff == cheaper.

My first set was an Elegoo Arduino Uno Super Starter Kit I got second hand for 25€. A mega good deal considering that the real deal costs, just the board alone, 20€. Some of the parts in the kit sucked though.

Then I got the esp32c3 super mini for 1,07€. If anyone wants to start out with microcontrollers, it's the board I recommend. The Arduino IDE supports it and it works out of the box. I think it's 60 cents more if you want the pins pre-soldered.

I don't recommend atmega stuff! For what they are, they're not as cheap as the alternatives. For example, an attiny85 costs between 2-3,5€. The stm8s001 costs less than 1€ a piece and has 2x the clock speed, 2x the RAM and 2 16-bit timers, which is 2 more than the ATTINY, which has none.

#maker #atmega #stm #arduino #esp

Trying to simulate a 1-bit saw wave with 8-bit PWM on the attiny85. A first glance of the wave form looks OK. Take a zoom and there's some strange high-frequency artifacts.

#atmega #attiny #attiny85 #dsp #embedded #audio #maker

1 bit pulsewave waveform simulating saw wave

1 bit pulse wave saw-wave waveform zoomed in

@r @fluffykittycat @flower Obviously people have used the #RP2040 for many projects and given it's ease of programming, low price, excellent documentation and easy availability it's no wounder it does put pressue on #ATmega / #ATtiny, #Arduino, #Teensy, etc.

At least for low volume productions and prototypes as proof of concept.

#RaspberryPi shure are more and more targeting #embedded & #industrial clients given they do in fact disrupt the market as one can get proper #documentation and #tools without paying $$$$ upfront (AND sign NDAs) just to be able to boot #Linux on it.

And competitors fail at understanding that this makes #Broadcom look good and is their entry-way into acquiring new clients. Because selling hardware purely off specs may work in #amd64 land where shit's legacy and the way things work is so entrenched that basic stuff just works as in booting. #ARM and even #ARM64 fail at having that level of #standardization.

OFC the #Pi0 / #Pi0W / #Pi0W2 doesn't need to innovate since every competitor isn't even trying to compete but merely farting out boards with 0 documentation and some halfassed boot images and no post-sales support so they keep dominating by virtue of being the only ones that just work...

Made a little morse serial transmitter with my new #arduino 😄

It decodes button presses in real time and transmits the character with UART. The 'words per minute' is currently hardcoded, so on-offs need to be somewhat fast (for me anyways).

The code is here, written in AVR C. Reviews welcome!

https://codeberg.org/some/arduino-uno-projects/src/branch/main/morse_transmitter/morse_transmitter.c

#embedded #avr #atmega #c #programming #maker #codereview

looks like this gizmo is more than just a glorified rotary encoder, can't wait for the campaign to start 😻

https://youtu.be/-kMfm2rwFE0

https://www.kickstarter.com/projects/ihayri1/magscroll-the-future-of-scrolling-zooming-or-volume-control

#Atmega #HID #RotaryEncoder

The image shows a small, cylindrical device with a red, metallic top knob and a white, textured base. The base has a pattern of raised, diamond-shaped segments and is illuminated by a ring of red LED lights along its lower edge. The device is placed on a desk with a light-colored, reflective surface, with a cable extending from the side.

The image shows the back of a round PCB with the led ring at the border, with silkscreen markings: a picture of an isometric cube with the letter "H" on the front side, the product name "MagScroll" and the mention "By Hayri".
The PCB has 6 broken out SPI and power pins.

Neuer Blog:

Fake-GPS Neo 6M Module von AliExpress aus China

--> https://cool-web.de/arduino/fake-gps-neo-6m-module-aus-china-aliexpress.htm

#Arduino #Uno #Nano #ATmega #328P #Elektronik #Maker #DIY #Mikrocontroller #Modul #NEO6M #GPS #GNSS #uBlox #AliExpress #China #EstarDyn #Conterfeit #Fake #Betrug #Aufgepasst

XoomFloppy – Die ZoomFloppy im Miniaturformat

Der Anschluss eines Commodore-Diskettenlaufwerks oder Druckers an einen PC ist kein Problem mehr. Über USB ist dies mit verschiedenen Hardwarelösungen sehr einfach möglich. Was mir aber fehlte, war eine elegante Lösung. So kam ich auf die Idee de…

#1541 #ATMega #Bus #c64 #CBM #commodore #Disk #Drive #IEC #opencbm #RetroInnovations #stick #usb #VC1541 #XoomFloppy #XUM1541 #ZoomFloppy

https://dirkwouters.de/xoomfloppy/

Все мои Ардуинки: часть третья, ESP8266 и ESP32

И снова, уже в третий раз ( здесь у нас первый , вон там второй ) вашему вниманию предлагается моя коробочка с Ардуинками. На этот раз будем извлекать из неё и рассматривать под светом допросной лампы платы на микроконтроллерах ESP8266 и ESP32. Также изучим краткую историю появления этих контроллеров, некоторые их особенности и роль в мировой революции место в экосистеме Arduino.

https://habr.com/ru/companies/ruvds/articles/863990/

#ruvds_статьи #arduino #arduino_ide #arduino_uno #arduino_nano #arduino_mega #arduino_leonardo #arduino_pro_mini #arduino_pro_micro #lilypad #freeduino #ардуино #ардуинщик #ардуино_головного_мозга #attiny #atmega #stm8s #blue_pill #stm8blue #stm32duino #micronucleus #mhtiny #esp8266 #esp32 #esp32cam #espressif #esp32s2 #esp32s3 #esp32c3 #xtensa #riscv #nodemcu

I did it! I ordered new shit. This time a #truSDX kit #tranceiver! I am still unsure if i want the #qrpguys metal case or if i want to have a shack in a box setup centered around this.

This is a 5 band #SDR tranceiver using an #atmega and some sort of PWRed pa, which makes it one of the most efficient trx i know of. Receiving quality is reasonable.

Все мои Ардуинки: часть вторая, ATtiny и STM

Продолжаю перебирать все мои Ардуинки и делиться опытом работы с ними. В прошлый раз я выдал базу про платы, начавшие свою жизнь как официальные продукты Arduino. Но время показывает, что истинная сила платформы скрывалась не в конкретных Uno и Nano, а в открытости и расширяемости. В этой и следующей части речь пойдёт уже о сторонних решениях, разработанных и поддержанных в Arduino IDE творческими усилиями множества энтузиастов. Сегодня это будут довольно редкоземельные элементы — платы, не так часто встречающиеся в самоделках. Но возможно, это именно то, что вы искали для решения какой-то особенно нестандартной задачи. А я расскажу о некоторых связанных с ними граблях, по которым уже сплясал лично, чтобы вам не пришлось повторять этого дома.

https://habr.com/ru/companies/ruvds/articles/858820/

Arduino nano Every - A deep dive
https://wolles-elektronikkiste.de/en/arduino-nano-every-a-deep-dive

#arduino #Atmega4809 #Atmega4808 #Atmega #diy

@maltman23
I bought one of your Ardutouch board kits (back in August, at Fri3dCamp).

I'm soldering it now and I ran into a problem: 2 legs of the chip socket broke. I don't have spare socket, so my question is:
Can I solder the Atmega 328P directly on the pcb, without the socket?

#fri3dcamp
#CornfieldElectronics
#Atmega
#soldering

A new project of mine: Inventing a DMX-compatible light controller board specifically aimed at miniature applications and stopmotion! It supports LED's of all sorts and even classic light bulbs - Have a look!
https://youtu.be/Fa_pF1SHCSA
#dmx #electronics #pcb #atmega #avr #dev #kicad #pcbway #led #pwm #dragonframe

Великоват адаптер для #atmega128a получился, надо будет адаптировать адаптер :blobcatjoy: под размер разъёма #ZIF40
#electronics
#embedded
#microcontroller
#avr
#atmega
#circuitry
#kicad
#xgecu_adapter
#xgecu_t48

Слева - печатная плата схематичное изображение, справа - печатная плата в 3D режиме. Адаптер создан для МК Atmega128A.

@maexchen1 But it’s bigger. And if you need only four inputs and one output the #ATtiny is just perfect.
Another question is, if the #ATmega also has such a low energy consumption.

#soldering project this weekend: #Arduino Make Your Uno kit: https://makeyouruno.arduino.cc/
Today, I soldered the #ArduinoUno board. Next will be the synthesizer shield.
It was fun and everything is labeled on the silkscreen.
#solderingkit #electronics #atmega #usbc

the unassembled parts poured on the table. at the top are the PCBs, to the left is the transparent bag with the USB C adapter and the Atmega microcontroller, at the bottom are all components for the Arduino Uno board on a pile

the first boards finished. to the left is the soldering exercise board with no real function, to the top is the "debug" probe that lights a LED when connected to a voltage, to the bottom is the Arduino Uno board. it has a white silkscreen with green text. every component is labeled with value

the back side of the Arduino Uno, showing my soldering

the Arduino Uno connected to a USB C power supply. the green power LED is lit, and one of the three yellow LEDs is blinking. the photo was taken while the blinking LED was lit.

Разглядывая JTAG: самый быстрый программный JTAG на Arduino

В предыдущих статьях цикла был приведен пример реализации ведомого модуля JTAG на Verilog. Я предположил, что количество инженеров, знающих Verilog, меньше, чем количество инженеров, которым требуется понимание принципов работы JTAG. Поэтому, помимо реализации на Verilog, модуль JTAG был также реализован на Си. Так как реализация на Си преследовала исключительно образовательную цель, то скорость её работы была принесена в жертву некоторой унифицированности подходов с реализацией на Verilog. Поэтому я был несколько удивлён, когда в личном сообщении @Sergei2405 спросил, нет ли способа ускорить работу примера на Си, чтобы применить его в промышленном изделии. Субъективно, практическое применение программного JTAG мне по‑прежнему видится не вполне оправданным. Но, во‑первых, это хороший повод рассмотреть предельные возможности микроконтроллеров. А во‑вторых, есть формальная причина сказать, что в данной статье предлагается Решение Прикладной Задачи :) Итак, сегодня мы поговорим про прерывания, поллинг и прочее. А протокол JTAG станет фоном для повествования. jmp start

https://habr.com/ru/articles/815947/

#arduino #atmega328p #jtag #assembler #mcu #atmega #микроконтроллеры

damn, I bricked my internal #Commodore64 #SD2IEC yesterday by accidentally flashing the wrong firmware ... jesssh ... 🤦‍♂️

guess now I need an #Atmega #ISP #programmer to flash the #bootloader again.

Anyone experience with doing so on the #SD2IECmini by 16xeight ?!

After having taken a break from soldering over the past few weeks, I enjoed a little training exercise today by building a #FIGnitionFUZE that I had lying in the shelf for he past eleven years. It is a simple #DIY #computer #kit based on an #ATmega chip.

Turns out I missed quite some fun here as the flash rom contains a good load of demo applications and games, including #FIGtris a #Tetris clone

So this is the second machine I built that comes with #Forth built in ( the other one being the #MyNORMy4TH ) and I am quite surprised to see how well the 8-button keyboard of the FIGnition Fuze actually works in practice.

The screenie shows me playing FIGtris.

#atmega

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