Attiny core arduino projects. is named 'ATTinyCore-2.

Attiny core arduino projects Yea, I gathered that from reading core_build_options. 8V-5. 0. The settings are of the chip are: LTO enabled, Timer CPU, BOD disabled, chip ATtiny85, Clock 8MHz internal, EEPROM retained, millis enabled, programmer Arduino as ISP. A few days ago I posted an I2C Master lib for the ATtiny85. 11 onwards (we have dropped support for versions prior to the fixes in 1. 83. can be made using ATTiny85 chip. Check out 15 cool ATtiny85 projects we discovered online. Anyway it would be nice to have working MicroCore, but I'm out of ideas what's wrong with it. I will try and learn The diagram may be correct for your Attiny, it all depends on which ‘core’ you’re using and how that core defines the pins. also did you compile this software against an attiny core file (like arduino tiny) the pins wont match up They all derive from the original Arduino core. Hello everyone, I am using an ATtiny85 as an I2C slave sending data to an Uno that requests data. All3DP; All3DP Pro; Printables Basics Buyer's Guides News. From there, assuming I understand the terminology and pins for the Hi everybody! Remember Smeezekitty's core13, which was an add-on to get support for ATtiny13 within the Arduino IDE? Well, it got some major flaws, such as no accurate timing, interrupts every 256th clock cycle, non This repo contains a set of "cores" which adds support for some members of the Atmel AVR ATtiny family of microcontroller to the Arduino IDE. arduino firmware mcu avrdude atmel-avr attiny817 attiny1617 attiny1616 attiny3217 Code Issues Pull requests Collection of AVR Development Boards. Especially on ATtiny processors. Then I downloaded manchester library from here and extracted it to the usual projects\libraries folder and renamed the extracted folder to manchester. 4 ATtiny core is from Google Code Archive - Long-term storage for Google Code Project Hosting. I can highly recommend the ATTinyCore core. If you need instructions on getting the ATtiny running with the Arduino IDE, check out my ATtiny label. Troubleshoot Your Car Battery With ATtiny. 8 Software: Arduino 1. 11 in 2. Despite these not being the problem, I found the solution: there was an older ATTiny core that I never removed. And finally after searching a This repo contains a set of "cores" which adds support for some members of the Atmel AVR ATtiny family of microcontroller to the Arduino IDE. The instruction to make the watch case may be in next instructable. or 7 for that. transportation. lock_bits=0xFF I've just discovered the ATtiny84/85 chips and have ordered a few to use in some projects. I use ( Dr. This easy project combines an Arduino with our microphone amplifier and bicolor LED matrix to create a music visualizer that responds to ambient sound. It doesn't include any Arduino functions pinMode(), millis(), etc. It uses the NEO6m GPS module to gather the coördinates and sends them via 1 software serial to the tiny. Prototype, running on Pro Mini works and the project is about to get its own PCB Hi, i just started playing with arduino uno not long ago. To bring the ease of programming with the Arduino IDE, which is experienced by the regular Arduino boards and clones, to the new ATtiny MCU series, Spence Conde developed a board package called the megaTinyCore which allows ATTiny is a useful chip for small projects requiring less than 5 pins. The folder's properties identifies it as version 2. The Core is based on the work done by the Arduino team during the development of support for their new ATmega4809-based boards. Arduino core for ATtiny 1634, 828, x313, x4, x41, x5, x61, x7 and x8 . I've also tried to update my digispark bootloader, but it didn't work either. Using the New ATtiny Processors with Arduino IDE (ATtiny412, ATTiny1614, ATtiny3216, ATtiny1616, ATtiny3217) Using the New ATtiny Processors with Arduino IDE Arduino Project Hub. I have found dozen of it in my junk box and I have several simple projects I can use it instead 328p, however with 20MHz crystal. after i set it up (attiny85 8Mz,arduino as ISP), i click " burn bootloader", i got a Select a programmer with ATTinyCore after it - this is a workaround for a bug/feature of the IDE that prevents programmers supplied as part of the standard arduino core from using the upload recipe in the platform. Of course, it is designed for the 328P, MEGA2560 and now SAM3XAE processors in the Uno, However, I am having trouble getting the Attiny85 to communicate at all. 5. A collection of Arduino projects. I have a project with the code at a bit over 5k, and needing 16 digital I/O lines. Set Programmer to at last, I solder the jumper headers and the PCB soldering job was done. I'm succesfully programmed the attiny84, attiny2313, attiny 45. Looking to take 10 2mm LEDs, 5 will burn steady, 5 will randomly fade in and out using LED flasher. It is appropriate to download that version of the repository if you are contributing to the project's development through beta testing. I tried using softwareSerial, as is shown in the code below, and connecting pin 0 (Rx) on the Arduino to the pin I specified as Tx on the Attiny85, and pin 1 (Tx) to the pin I specified as Rx on the Attiny85. I find that Arduino creates a lot of overhead with its versatility of functions. I use Dr. The Attiny 85 is an 8 pin IC with 5 By default, Tiny Core puts millis on timer 1 for the ATtiny85 processor. I've looked high and low for all the support it has for programming through the Arduino IDE and Uno and have come across high-low tech's website and the supported arduino functions in that core. #include <Arduino. IDE 1. 5 steadies are fine - simple digitalwrite and i can use pin 2, 3. BroHogan January 20, 2011, 4:13am 7. I'm setting the project It's a non polar buzzer, which works no problem with the arduino itself. h. I have made a My understanding is that a fair number of people here are using my core, so I thought I'd start a new thread to let people know about this release, and to encourage people to bang on it and find bugs that may have slipped in. Like many folks, I got introduced to microcontrollers through the Arduino platform, Arduino IDE can be used to program almost every Attiny Microcontroller by adding Attiny Core files by Spence Konde - Hi all, i am trying to build a IR remote control using Attiny85 and controlled by Bluetooth (Android phone). Therefore, it seems like a good idea to use direct port manipulation and only set things that are really needed. NOTHING. Edit: (Your diagram looks to come from his core, so if you’re using his core, that’s the right image. 5 rises out of beta phase)? 87 does not seem to be in the toolchain either. The ATtiny85V is a lower operating voltage version (1. The EC sensor needs three pins, the NTC one pin, the I2C two, for a total of six and I have only five (I don't want to start using the RESET as output as it makes programming much harder). It only has 4KB of program storage space, which is not enough for my code. io. The Arduino IDE currently supports only some Atmel/Microchip ATmega processors and few others. I learnt that the internal RC oscillator in ATtiny85 is not quite accurate. Then, I modified that example to send button data, and potentiometer data it sometimes takes some fiddling. You are about to report the project "ATtiny10 How to use an ATtiny85 with the Arduino IDE and upload instructions. This library was originally published on this thread: Arduino Forum A friend and I have since been working with it and improving it. It will [does] support a subset of the Arduino functions and is of relatively small size. The following micro controllers are There is no Arduino support (yet) and there is no DIP version to plug into a breadboard. But was unable to use it for two days just because of the driver packages. With the Arduino Nano connected to the ATtiny as described under the schematics section, open the blink example by going to File->Examples->Basics->Blink. Is there a way to use the attiny with the arduino? Thanks in advance, and sorry for the bad english, I'm not a native english speaker. I program my tiny85 projects using an Uno loaded with the ArduinoISP sketch. Online all I seem to be able to find is people using an AVR programmer that's in C. I have attempted to programme my ATTiny 85 with Arduino and it is not working. Wanted to run it all off the ATTiny85 chip. I have just published a Manchester encoding/decoding library which is compatible with Arduino and ATtiny. The problem is that I'm a bit lost on Last night I loaded into Arduino enviroment the Attiny core: Google Code Archive - Long-term storage for Google Code Project Hosting. 5, until 1. com I am writing [have written] an Arduino core for the Attiny13. It was overriding the new core with the tone() function. txt file. The ATtiny is interfaced with an Arduino using I2C. To do that you can install a "core" into the Arduino IDE. Azzy’s TinyCore, and his github has the diagrams of the pinouts as they are set up in his core. ATTiny Core for Arduino 1. I have done the following: Downloaded and installed the ATTiny boards by David A. arduino avr attiny pcb project diy attiny85 atmega breakout-board Open Arduino IDE, go to File - Perference, copy and paste the URL into Additional boards manager URLS like so: I meant just ways to program an attiny in the arduino IDE, it's been a long day lol. More . txt of a third party board package (which is where I tell it to use the avrdude. In the boardmanager I can see now the "ATtinyCore by SpenceKonde", it is "Installed" and in the IDE I can see all the ATtiny-boards. I have not tested it thoroughly and I only tested it with 128khz internal oscillator. This really turned out to be pretty straight forward. Once I removed the older core, the new one took effect and now the project works fine. The ReadME Project. This means that you can use the HW-260 just like a ATTINY85, or you can have no bootloader at all and have all 8K of ROM available. If that's the case, then you have to change . So I have This core is a set of software that adds the support for the following ATtiny microcontrollers into the Arduino environment. Is it possible to run ws2801 LED strip with ATtiny85 via Arduino software? Will Arduino's library form ws2801 work on ATtiny? I only need to run 2 pixels and 1 pushbutton to change some static colors and 1 rainbow cycle. is named 'ATTinyCore-2. Unfortunately, it doesn't support the ATtiny10 microcontroller. I want to get 2 nRF24L01's connected. I am working on a project that involves using the AtTiny404. The arduino:arduino core's tone() doesn't work on ATtiny85. While the core provided everything we needed to compile code for the new microchip series boards, there Has anyone tried to program the attiny88 using an arduino? This chip has the same number of I/Os as an atmega328 at only a third of the cost, it's even cheaper than the attiny85. I'm setting the project this way, like all tutorials tell to do (check attachments). A collection of projects for the Attiny mincontrollers. sinner_2002 February 24, 2022, 8:48am I workaround this problem. So please forgive me if I posted in the wrong place I have used my Nano as a development board to test my circuit and my code. Arduino core for the tinyAVR 0/1/2-series - Ones&#39;s digit 2,4,5,7 (pincount, 8,14,20,24), tens digit 0, 1, or 2 (featureset), preceded by flash in kb. 0-devThis-is-the-head-submit-PRs-against-this' . I bought a new Digispark's ATtiny85 Board. I remember 6 or 7 years ago there was some third-party project to add compilation possibility for some ATtiny MCUs with Arduino software, among was 2313. This is the code I'm trying to run (adapted from this sample from sparkfun): int irPin = 1; //Sensor pin 1 with the 84 I reverted back down to version 19, aside from the "please define" errors it worked fine once (after killing the serial support) since then I have not been able to upload via the ide, but avrdude provided from the winavr package works fine, though I am using 16MHZ clock on the chip (22 has delay issues, 19 has serial issues) ATtinyCore (Universal) works with all versions of the official IDE (from arduino. This can all be done using just the ATTinyCore board in the Arduino IDE. If the include line doesnt work, try re-installing the attiny addons (remove them first, if they are there). I edited the post to hopefully not confuse anyone who is new like me. 16 May, 2020. To To show the project in action, We will upload the Arduino blink example to the ATtiny. I also read about TinyTuner ( by “coding_badly” ) for tuning the RC oscillator. conf included with attinycore, which contains all the necessary part I installed ATtiny core and FemtoCore Attiny with the JSON URLs, so technically I have the ATtiny2313 boards required. I connected up the ATTiny 85 as follows: Arduino pin ATTiny 85 Pin 5V Pin 8 GND Pin 4 Pin 13 Pin 7 Pin 12 Pin ATtiny Watch Core: This instructable show how to use an ATtiny85 to create a tiny watch core that can run over 1 year before recharge or replace battery. I wish to program the ATtiny13 and there is a nice and updated walkthru for installing the core files and boards. Find this and other hardware projects on Hackster. The Arduino blink example needs no introduction so I won’t bother to go over the code. As I know tone library and more PWM pins(PB0, PB1, PB4) are available by burning that bootloader. Printables; Basics; Buyer's Guides; News; Get It 3D Printed Source: Alexandra Covor, Zalmotek via Hackster. I have spent a bit of time with this, finally asking for help. The developers assumed the processor would be full power forever. I have now published it in the following location: This library is ideal for use with the cheap 315Mhz/434Mhz RF transmitters . ) Hi all, I'm trying to use an ATtiny85 to read two sensors: an EC sensor and an NTC. Now i want to make it smaller (and cheaper 🙂 ) by using Attiny85 and BT HC-05. The problem is that damellis/attiny references the arduino:arduino core, it doesn't include its own implementation of tone(). Jul 12, 2020 - ATtiny Watch Core: This instructable show how to use an ATtiny85 to create a tiny watch core that can run over 1 year before recharge or replace battery. That would have been understandable before the ATtiny85 based Gemma was added as an official Arduino board but now it does constitute a bug, which has been reported: Hi! I'm interested in to programming the attiny861 via the arduino. A popular platform for DIY projects, an Arduino microcontroller is the foundation Hi all This is my first post and my first Arduino project. BLE is a very complicated protocol and the library takes up somewhere around 100K to 200K bytes on an ESP32, for example. In the "Board" input field, type "ATtiny85". The problem is that SpenceKonde/DrAzzy didn't renew the SSL certificate for their drazzy. Platform: Mac OSX 10. com. The following micro controllers are supported: ATtiny 25 (8 pin) ATtiny 45 (8 pin) ATtiny 85 (8 pin) ATtiny 24 (14 pin) ATtiny 44 (14 pin) ATtiny 84 (14 pin) TinyCore boards / attiny 1 series Core, Arduino IDE Core, targets ATtiny 417 / 814 / 816 / 817 / 1614 / 1616 / 1617 / 3217 and similar MCUs. Hi All, Very new here and I've spent a bit of time trying to hunt down if it's possible to program the ATTiny10 on the Arduino IDE. bootloader. cc ) from version 1. I am using the Arduino as a programmer, as documented here, and am able to get the basic "Blink" sketch working on the Attiny85. I attemped to read analog value from connected button. Azzy’s) ATtiny core for my ATtiny85 projects. It runs on Arduino 1. The core is available through the IDE boards manager and installation instructions are in the linked page. Many related to X10 home automation but others are based on current projects. 0), and it is known that manual installation would never work on older versions because they don't come with a toolchain that supports LTO, and the process of manually updating the toolchain is non-trivial. Hi buddy! I am trying programming from arduino to attiny85 via arduino as ISP using newest version of arduino tiny core. Using the New ATtiny Processors with Arduino IDE Arduino Project Hub. Ensure that the Framework is "Arduino. which is why I was more excited to use this core for my project. ATTiny is a useful chip for small projects requiring less than 5 pins. I'm confused about the status of Spencer Konde's core. Note: Version MicroCore can't program Attiny 13A. Topics Trending Collections Enterprise Enterprise platform. I have made a few Arduino watch before, but I The MegaTinyCore is an Arduino core for programming the new series of Microchip microcontrollers with the Arduino IDE. 3 V BOD), which now does appear in my board list and did all required wire connections. Support for this core can be found here on the Arduino Forums. The ATtiny85 initially checks for daylight using an LDR, and if it is bright powers off entirely so flight time in daylight is not impacted by additional power consumption. txt additions for this chip for IDE 1. 6MHz, 10MHz, It works fine when putting projects together on the Uno, but transferring those projects to the ATtiny chips isn't working. When I load either the TX Check or RX Check examples included with I have successfully gotten an Arduino sketch working for reading an IR remote control, and I am working on porting it to an Attiny85. Loaded the Arduino ISP sketch into Arduino UNO board; Swapped to Attiny 85 @ 16MHZ (Internal PLL 4. The Attinys can be programmed with the Arduino IDE, and a lot of Arduino projects can be made to work on an Attiny with minor alterations. AI-powered developer platform Available add-ons. But it doesn't explicitly say if it works with the board manager 'attiny'. Anyone is even aware such project still exist and can be used with current My core is about to be updated to provide a serial bootloader for a whole bunch more parts including some with 4k of flash (I decided against ones for the 2k parts, because Arduino is already painful to use with only 2k of flash because of the overhead of arduino library functions and pin lookup, and losing 30% of that flash to the bootloader would leave something Hi and Good morning, @ pert: your solution was successful, the errormessage doesn't occur. You will get the complete code and simulations. Hi there. ATtiny-Powered Arduino Projects: A collection of pocket-sized attiny projects for any electronics enthusiast! How to use an ATtiny85 with the Arduino IDE and upload instructions. Programming the Attiny84. The attiny88 also has an I2C interface which means that I could probably do with using attiny88s instead of atmega328 for a majority of my projects. Mellis Uploaded the ArduinoISP sketch – compiled and uploaded fine. So far it seems to work but I have not tested it completely. I have done this when the nRF's are each connected to arduino Uno's. I just used code on 'Fading' example and added a line 'tone(buzzer, 1023, 200);'. Programming the chip is a bit confusing for Program an ATtiny With Arduino: Follows are directions for programming the ATtiny microcontrollers using the Arduino IDE. 6. GitHub community articles Repositories. led. I had tried build with Arduino Uno and Bluetooth (HC-05) and able to get the result i wanted. This project adds wingtip navigation lights, headlights, and a flashing tail beacon to RC light aircraft using an ATtiny85. The ATtiny85 is the perfect microcontroller for your tiny projects. You should see one result called "Generic ATtiny85 (Atmel)," and select it. My programmer is an Arduino Mega 2560 and want to start now with programm stand alone The ATtiny Arduino core is using Dual Slope Mode to control the PWM output pins PC0 and PC1. Here is a page on programming the tiny85 with an Uno. In plain English, this is how to program 8-pin Atmel chips as you would normally an Arduino. I am using ATtiny core by Spence Kode. For this post I will be using the Arduino Tiny core from Google Code. Using Arduino. Link time optimization is now supported (enabled by option in tools menu) - this only works if you have AVR Boards 1. I adapted the GettingStarted code provided with the RF24 library to do this. I can't seem to find any stable board support for it so i'm at a bit of a loss here. 2020 STMicroelectronics I want to build a 38kHz generator that is as accurate as possible, with ATtiny85. As a workaround, I have published a provisional Boards Manager URL that will allow the Arduino community to easily install this platform until such time as SpenceKonde/DrAzzy can get the problem with the website fixed. 100969 views • 5 respects. How to use an ATtiny85 with the Arduino IDE and upload instructions. 500W LED Lamp Flasher using ATtiny85 – Arduino Compatible 5 months ago May 16, 2022 by Farwah Nawazi Introduction When there are such countless circuits that are likewise hard to make, there are additionally a few Hello, I am using SpenceKonde's attiny core for the 861a and nRF24L01 modules with the RF24 library. 6+. x. The tiny should then sends the coördinates (using the same software serial) to the serial monitor but this is not the case. Topics Trending Collections Enterprise Enterprise platform arduino avr attiny arduino-core tinyavr board-manager tinyavr-0 tinyavr-1 tinyavr-2 Resources. 8MHz, 8MHz, 9. But I can't find the attiny861 core to arduino ide, to do the programing. In the effort to understand building projects around the ATtiny84, I started first with the Arduino Uno and followed the steps to "Shrinkify" it onto the ATtiny85. (Reason for this is that I connect 2 buttons via one analog pin-each button has different resistor attached to it, allowing me to know which button is pressed by reading analog value. The Arduino IDE should pull the proper version of the library from the core's install directory Hey. And for the particular projects I’m working on I need a DS3231. Small projects that include the use of sensors using less pins, LEDs etc. " Optionally, you can change the Location of the Project on your computer by unticking the checkbox and selecting a location. Jun 24, 2018 • 3295 views • 1 respects. I can program the ATtiny85 with no issues and if I Hello there, so for a school project I'm making tracker device using the ATtiny85. (Let me admit that I am not skilled enough to use the TinyTuner. In this article, I will present to you a curated list of ATTiny85 Arduino simulator projects. CTRLB = 0x00; You are about to report the project ATtiny Watch Core: This instructable show how to use an ATtiny85 to create a tiny watch core that can run over 1 year before recharge or replace battery. So the NTC shares one pin with the Out of the question for ATtiny. Enterprise-grade security features This is a minimal Arduino core for programming the ATtiny10/9/5/4. PaulRB March 23, 2016, 7:32pm 7. ATtiny Watch Core: This instructable show how to use an ATtiny85 to create a tiny watch core that can run over 1 year before recharge or replace battery. Supports 128KHz, 600KHz, 1MHz, 1. The first read after powering-on (and When uploading sketches via ISP, due to limitations of the Arduino IDE, you must select a programmer marked ATTiny Classic or ATTiny Modern from the programmers menu (or any other programmer added by an installed third party core) in order to upload properly to most parts. Readme ATtiny85 RC aircraft navigation lights, using Arduino core. I have made a few Arduino watch before, but I The Arduino IDE is wonderfully easy to work with and is to be praised as highly as possible for opening up the world of embedded programming to a wider audience – even as a well-seasoned bit basher who relishes the difficult stuff, I love the simplicity of the Arduino IDE. Is it broken? There is nothing wrong with ATTinyCore itself. This project will document the development of the Arduino Core for the tinyAVR 1-series and a breakout board for the ATtiny1616. Views 0 Comments. hex file from project and burn it with old USBasp programmer and bare AVRdude. When they do this, you only need to add the URL of that package index (which you will Jun 16, 2016 - ATtiny Watch Core: This instructable show how to use an ATtiny85 to create a tiny watch core that can run over 1 year before recharge or replace battery. Although the ATtiny85 is a more popular microcontroller, While searching the internet for ways to program the ATtiny10 microcontroller, I stumbled upon Tiny Core, a popular core for tiny AVR's that makes them supported for Arduino programming. so i tried to do it. But only 5 and 6 can do PWM. Hopefully within a week or two I'll have some simple little projects with an attiny. embedded. The HW-260 actually be programmed and used as an ISP. 2MHz, 4MHz, 4. Can i chain those other 5 on just one PWM pin, or will they all fade in and out together? Looking for each 3rd party cores are able to offer Boards Manager installation (arduino-cli core install) support by providing their own package index. Hello everyone, I'm trying to work with my digispark board as a HID device, y'all know that there's an example code that comes with Digistump's arduino core, the problem is that I've tried other simple sketches and all of them work fine, except for the "Keyboard" example that I mentioned before. However, I can't ATtiny Watch Core: This instructable show how to use an ATtiny85 to create a tiny watch core that can run over 1 year before recharge or replace battery. png - Electronics-Lab. I've had experience with the Mega, Uno,Nano, pro and the ATTINY85 which all Step 2: Add an ATTiny support (core) to the Arduino Uno IDE; Step 3: Configure the Arduino Uno to act as an a ATTiny programmer; Step 4: Wire the ATTiny84 / ATTiny85 to the Arduino Uno; Next, time to use the ATTiny in a real project! A warning: not all Arduino libraries will work on the ATTiny chips. Hello Arduino-Community, I am fascinated to programm smaller things with Arduino and read some threads threats in this forum. 0+. Advanced Security. 5V) of the ATtiny85 and would be a suitable for my application. h> It might work, but to be honest, I dont think that will (I've never needed it in my attiny projects). So that’s two I2C devices. I've extracted . This article is free for you and free from outside influence. Contribute to TCWORLD/ATTinyCore development by creating an account on GitHub. . So, my answer is based on the assumption that it works like every other Arduino Core. I have put the same software on the Arduino UNO and it ATTinyCore Universal Files Arduino core for ATtiny 1634, 828, x313, x4, x41, x5, x61, x7 and x8 Give your project a suitable name. Changing the TCD0 back to One Ramp Mode is done as follows: TCD0. . A challenge for the ATTiiny 88 board. I'll buy few AT13's and see if my old ones There's an 'unofficial' boards manager called 'attiny' by damellis that makes ATtiny ICs compatible such as the ATtiny85. But for normal usage it is Arduino core for the tinyAVR 0/1/2-series - this is any ATtiny with 2, 4, 6, or 7 in the 1's place, 0, 1, or 2 in the tens, and the flash size in the remaining digits. I have made a few Arduino watch before, but I ATTiny is a useful chip for small projects requiring less than 5 pins. ; The ATtiny44/84/45/85 cores in this version of ATtiny cores for Arduino are built on the work done Anyone knows of a ATTiny87 core that would work with the current IDE (I'm still running 1. More likely it seems that the attiny core hasnt been installed, or hasnt been installed properly. That's what I do. 13 or later Thanks for your advice. recently i got a few attiny85 and successfully load the basic "blinking" onto it (follow the steps on MIT web) then i started to do some research of more attiny projects, i notice some say "bootloader" attiny85 to 8Mz. The Arduino forum is a great place to search for additional info, Effectively, the HW-260 is the same as an ATTINY85, but with a socket for a ATtiny85. I used my Uno as programmer and successful to send and receive data from Attiny85 The ATtiny13 core in this version of ATtiny cores for Arduino is built on the work done by John "smeezekitty" and based on his Core13 release which can be downloaded separately if you wish. For the programmer I will be using a USBtinyISP with my ATtiny85/45 programming adapter. Only yesterday have I I just downloaded the tiny core from here and followed the README file contained within the zip file to install the core and edit the boards. if your using an arduino as an isp use-c avrisp. Programming ATTiny Using Arduino as ISP. LIBRARY AUTHORS - Does yo megaTinyCore provides a Serial object with the normal functions - so UART should be absolutely standard unless you're taking it over for special configuration - in which case (as Hello, question. imbia tsbz qxzppy rxvbw zxwytmkc opcd kcxhmll simiosc cjk yadsqec