ATTINY As A Clock?

Will using time library with an Attiny/45/85/84 ( ) create an accurate clock? I keep on seeing people using these external crystal things. Do I need one? Isn't millis pretty dang accurate? How would I sync the clock with real time?

Topic by HavocRC   |  last reply

Attiny schematics

Recently I've been wondering if I could actually build a cpu, I knew about the attiny and thought that I might try to build it without any chips. (Ambitious I know) I'm pretty experienced at soldering and coding and have been doing both for 17 years so I reckon I can manage it. Does anyone happen to know the whereabouts of any schematics for the attiny 25/45/85? If you do please tell me, it would be a great help.

Topic by MakerBox   |  last reply

ATtiny 13

I need help choosing a software for ATtiny13 microcontroller. I do not want to program in cmd and need something that is compatible with USBtinyISP.

Topic by sotsirh194   |  last reply

Where are ATtinys availible?

I can't find any ATtinys at the stores! If anyone knows where I ccan get one, hopfully from a non-online source, please tell me!

Question by fuf   |  last reply

ATtiny 2313 projects

I recently got a ATtiny 2313. Any idea what should I try after my preliminary programming practices.

Question by artworker   |  last reply

Programming the attiny with arduino

I have been trying to program an attiny chip based on the instructions on the MIT high low tech thing. the problem is, when I download the core files for the attiny 45 and 85, I can never get them to load onto the IDE. I put them in the folder that the preference menu says my sketchbook is in (which would be documents), but whenever I restart the IDE, the core files do not load. I have tried saving the file in different folders, but nothing works. What could be the problem, and how could I fix it? Thank you.

Question by Higgs Boson   |  last reply

Explanation of Numbers on ATtiny? Answered

I'm thinking about doing this project, which uses ATtiny13. I noticed this particlular one has the numbers 0624 and 20pu. I found some on ebay that have 1234 ATtiny13A 10pu or 0721 20pu? Are there any differences between these versions of ATtiny13?

Question by Arya42   |  last reply

Attiny 85 not working

HI GUYS. I HAVE A LDR light sensor I would like to use to turn on a light bulb through a attin85. when I upload the sketch to the Arduino it works fine. but when I upload to the attiny, I can't get it to work. am I'm wiring it wrong? when I put my signal from my ldr sensor to AO and 2 to the led it works on Arduino, but when I do that with the Attiny85 it doesn't do anything. The sketch did upload correctly though so it has to be me wiring it wrong or I need to change the code maybe to cater to the attiny85?my sketch is int LDR = 0; int LDRValue = 0; void setup() {pinMode(2, OUTPUT); void loop() { LDRValue = analogRead(LDR); delay(50); if (LDRValue < light_sensitivity) { digitalWrite(2, HIGH); } else { digitalWrite(2, LOW); } }

Question by jman2018   |  last reply

regarding the use of ATtiny microcontroller?

hi.i am new to the world of microcontrollers..i want to use a attiny microcontroller for my project.but i have no idea about it in terms of the usage,availability,programming...please help me with it......

Question by ishaan_kakar   |  last reply

Attiny 2313 & Serial Port

Is it possible, using just an Attiny 2313, to exchange data with a computer via serial -- or do I need one of those RS232 chips?Theoretically, I think I can, using the digital IOs, dispite its lack of efficiency, but there may be some problem with that...Sending is the main part that I'm not quite confident about ;-)

Topic by zachninme   |  last reply

what does the number on ATTINY85 mean?

Are all ATTINY85 20PU the same?  I've noticed different seller's pictures have different numbers printed on them.  What do these mean?

Topic by aliasjanedoe   |  last reply

Is there somewhere to get attiny85 codes?

I'm wondering if there are any sites for attiny85 codes?  Like I know there are fireflies and traffic light codes and such by people here on instructables.  Is there a list of all these somewhere? 

Topic by aliasjanedoe   |  last reply

attiny85 on two 3v coin cell batteries?

I've seen specs for attiny85 that say 6v, but most say 5.5v max, so I'm wondering if it's safe to use two 3v coin cell batteries to power them?  Such as CR2032 or CR2450.  I would only use one, but I need 4.5v for my LEDs.  Three AA is too bulky.  Thanks.

Topic by aliasjanedoe   |  last reply

Limit current for a circuit using 5V 450mA power supply?

Have a 5V DC power supply that is rated for 450mA +-50mA...want to use it for a 5V circuit with an Attiny85 and a couple of LEDs. I don't think I could use a voltage regulator since that will bring the voltage to lower than 5V, but the current seems high for use in a small circuit. How can I limit it? Using a resistor? Or should I not bother?

Question by tpdasf   |  last reply

Why does the SPI library not work on an Attiny?...

Why does the SPI library not work on an Attiny?.. I found some code on gethub to get around this but... Can anyone point me to a good reference (guide, reference book, etc) for programming that might answer these strange truths that I am oblivious to. My background is Mechanical Engineering and Arduino. thanks! this picture is from randofo's helpful arduino ISP attiny programming instructable.

Question by hydronics   |  last reply

i can not get my attiny to work !

I am trying some projects with the attiny85 but not one is working only blink and fade wat am i doing rong? i like to make a dice

Question by BenK6   |  last reply

whats the difference between all the 8pin attinys? Answered

I just cant find it, and yet i see  "attiny45" "attiny85" "attiny13" "attiny25" and some others all over the net, theyr all 8pin. what exactly is the difference? and can i use a C++ program for an attiny45 on a attiny13 without modifications? and if not, what do i need to alter? couse i want to make a stealth USB caps lockers ( but i only have attiny13 lying around. i also like the blinking, singing, marioman (  but that also uses a different attiny...

Question by godofal   |  last reply

What is the input value on an atTiny85

I am programming an atTiny with Arduino as the ISP and am wondering if an analogRead will come out between 0 and 1023 like arduino or a different value such as exact voltage or a different reference.  

Question by stino66   |  last reply

How do you upload a program to an ATtiny85?

I've read many instructables on how to do it with an arduino, but how is this done with the simple chip? I've seen no information on how to do it standalone. Anyone know?

Question by 4lifenerdfighter   |  last reply

How to get an ATtiny to run an accurate clock? Answered

I'm making a clock with an ATtiny and I would like to know how to make it tell accurate time. I'm already pretty sure it would require an external crystal or resonator, but I just don't know the frequency or if there are any code requirements. I'll be programming the chip with an Arduino, if that helps with code. Thanks!

Question by GenAap   |  last reply

Programming an Attiny85 with Arduino Uno as ISP, but I keep getting Serial was not declared in this scope?

The sketch runs fine on the uno, but as soon as I switch the board to Attiny 85, i get an error that says serial was not declared in this scope.  Any help is greatly appreciated! Here is the sketch for reference. #include const int relay = 9; //Relay Control const int RECV_PIN = 8; //IR Sensor int relayState = LOW; IRrecv irrecv(RECV_PIN); decode_results results; void setup() {   Serial.begin(9600);   irrecv.enableIRIn();   pinMode(relay, OUTPUT); } void loop() {   if (irrecv.decode(&results;)){         long int decCode = results.value; Serial.println(decCode); switch (results.value) {           case 1637937167: // Power Button      {       relayState = !relayState;       digitalWrite(relay, relayState);       delay(100); } irrecv.resume(); // Receive the next value   }   } }

Question by meanbean   |  last reply

need somebody who can program 6-Pin TINY AVRs (such as ATtiny10)

I can't currently afford the equipment needed for programming 6-Pin TINY AVRs.  I'm looking to hire somebody who can program some for me.  I'm willing to pay for your time.  I only need simple things like making an LED flicker.  Please let me know if you're interested in helping or know somebody who can.  Thank you.

Topic by aliasjanedoe   |  last reply

Ghetto programmer and 16Mhz

First off, Hello everyone. I built the ghetto parallel port programmer, adjusting the pinouts to work with a attiny26 and it works flawlessly.Kudos to the author.My problem is that when I drop in an external crystal rated at 16Mhz I avrdude quits because of a faulty signature; I assume this means the timings are off.At firs I thought I had misconfigured the fuses, but ,thankfully, when I dropped an 8Mhz crystal in it worked again. I know this uC can be clocked this high, so what's the problem? thanks

Topic by hacim 

Circuit help

So, my brother tasked me with making him a customizable doorbell for his house for Christmas (of course he didn't tell me till last week, but whatever). looked around at a bunch of stuff online and found a few decent items. some of them use those voice recorder modules from radio shack...which  might work, but I've used them before and they're pretty quiet. also, not the best sound in general from the mic used to record to them. so I found this thing;=1 which is a riff on this thing  which uses an ATTINY85 to play audio via the PWM output from an SD card. I like this guy because it's gives more options for sound and is generally more "gee whiz". however, the guy built it from scrap parts and has some admitted flaws in it, notably the power supply and the audio amplifier. so, I'd like some help figuring out how to build the same thing, but with a more "correct" power supply and amplifier. also, not exactly an electronics wizard so the fact that there are a billion different chips listed as ATTINY85, I wouldn't mind if someone can make a more sensible parts list (there aren't that many parts). I plan to trigger the thing with an off the shelf wireless doorbell type thing.

Topic by crapflinger   |  last reply

Using an ATtiny to control LED brightness?

Hey guys, I was wondering if any of you know how to control LED brightness using an AVR microcontroller. I'm using the ATtiny 2313... I was guessing that there is some way to do it using PWM, but I have no clue how to do so. Any help at all is appreciated! Thanks, -Muffinator

Topic by T3h_Muffinator   |  last reply

ATtiny pin low during programing Answered

When an ATtiny2313 gets programmed using an Arduino as an ISP, if pins #4 and 15 are held low during programming will it effect the the program. Or will the program be loaded correctly and work correctly irregardless. Use the blink sketch for an example.

Question by WWC   |  last reply

making an LED flicker (probably need attiny help)

I want to make a single 0603 LED flicker, and keep everything as small as possible.  One thing I tried was buying one of those dollar store flickering LED candles and using the light from it as my flicker circuit.  It's the LED itself that flickers, not a separate circuit.  I couldn't find any where the circuit was a separate chip.  I can't use this light as my light because they only come in yellow (I need white) and it's too large to fit in the hole where I want the light.  So I painted the LED black and attached it to my battery.  Now my actual project LED did flicker, but the other light was draining all my battery power so my main light was a bit dim and died quickly.  So sadly this $1 easy flicker method doesn't quite work.  Unless somebody knows how to zap the light without killing the flicker thingy.  Is that even possible?  I've no idea how those flickering LEDs work. So I'm thinking I need to look at using an attiny.  I've read that the attiny9 or attiny10 are the smallest.  But I've no idea how to program them.  Do you guys think this is my best option?  If so, can somebody point me at a tutorial for what I need to program these?  Or does anybody sell them pre-programmed?  Thanks.

Topic by aliasjanedoe 

Cheapest Attiny85?

Hi, I am planing to buy a Attiny85 to make a led pov display. I live in India So can you tell me where I can Find cheapest Attiny85with free delivery in Internet??

Question by Soumojit   |  last reply

Looking for code to make a Atting85 into a Toggle Touch LED light?

I want to make a simple touch lamp using an attiny85 that will toggle on and off with a single touch point. I have looked on the web and found lots of touch code, but nothing that exactly fits my need. I am not a programmer and cannot tweak someone else code. I will be running the whole thing off rechargeable AA batteries. Thanks for the help!

Question by BeerCzar   |  last reply

Makefiles and HEX files?

I am sorry for my stupidity but I am no AVR programmer. Here is my trouble. I am not so sure how to create a makefile in winavr or a hex file from some source code that I have. Whenever I do have code, it already has the makefile and the HEX file. Also, if you edit source code is the HEX file going to change too or will it stay the same? I noticed, that although an ATtiny85 is supposed to be compatible with the ATtiny25 when I try to program code into an ATtiny85 with ATtiny25 it doesn't work. Is there a place I change it to work with the ATtiny85...?

Question by blinkyblinky   |  last reply

Makefiles and Hex files

I am sorry for my stupidity but I am no AVR programmer. Here is my trouble. I am not so sure how to create a makefile in winavr or a hex file from some source code that I have. Whenever I do have code, it already has the makefile and the HEX file. Also, if you edit source code is the HEX file going to change too or will it stay the same? I noticed, that although an ATtiny85 is supposed to be compatible with the ATtiny25 when I try to program code into an ATtiny85 with ATtiny25 it doesn't work. Is there a place I change it to work with the ATtiny85...?

Topic by blinkyblinky 

attiny85 problems

OK so I recently discovered the ATTiny85 microcontroller and have though of many ways to use it.  After figuring out how to program it, I began testing its limits.  The pins I have been able to use so far are; VCC+GND (obviously), Reset, PWM 0+1, and A1.  A2+A2 however, I have not been able to use as analog input.  Does anyone know why?  I am using a Mac and arduino uno as ISP if that makes any difference.  Any help would be greatly appreciated.  P.S.  I'm pretty new to this, so please use simple language :)

Topic by dudes   |  last reply

how do i code a pattern of leds on a attiny 85?

I am making a prop and i need to embed a attiny to run 3 leds in a specific pattern, here is the patterm led 2 on for .75 seconds  led 3 on for .75 seconds  that pattern repeated 3 times then led 1 on for a half a seconds  then 2 on for 1/2  then 3 on for 1/2  that repeated twice then the whole thing restarted  i dont so much want some code i want to learn how to do it please help

Question by Jonny1128   |  last reply

How to make a small 3x3x3 led cube?

Hey I want to make a small 3x3x3 led cube for placing in my desk. I see some of charliplexed cube but they are difficult to understand. So pls hlp me. I want a small cube run by cheap small micro-controller like attiny. Pls give me detailed circuit and code to run. Thanks in advance 

Question by Soumojit   |  last reply

Does anybody know a tiny MCU for PWM and USB Connection?

I need a microcontroller with 3 PWM pins, for an RGB LED. I also need to connect it to a computer using USB. I`ve seen the attiny2313 has enough PWM pins for this, but is quite big. As I understand, the attiny 25 has just 2 PWM channels. Does the attiny24(or 44 or 84) have enough pins for USB Serial comunication and 3 PWM pins?

Question by flixer   |  last reply

Arduino BOARDs.TXT messed up

I messed up a bit in the boards.txt... I suppose. I added a few extra's for ATTiny, ATMega... And now I get some errors, but I can still program. I think it came by installing newer updates over new updates from the IDE. A little time ago, you had to be sure to copy your "not standard" libraries to another place, before making updates of the IDE, it looks that now you don't have to anymore. But I keep fighting the BOARDS.TXT Can anyone help me, how I get it right again?

Question by marc.deloor.5   |  last reply

Avr help

Help me in Programming my Avr...... Ques :- How to program avr using BRiCS Development board (avr 333) and usbtiny. I am new to avr programming....? When i used avr dude and entered following command i got this :- command by me ::    -c usbtiny -p m16 -P usb Avrdude's response :: avrdude.exe: initialization failed, rc=-1 Double check connections and try again, or use -F to override this check. Do i need to give external power to the board or it uses USB's Power supply....... WHY IT IS HAPPENING. Pls Help me.....

Topic by techieman   |  last reply

Help me in Programming my Avr......

Ques :- How to program avr using BRiCS Development board (avr 333) and usbtiny. I am new to avr programming....? When i used avr dude and entered following command i got this :- command by me ::    -c usbtiny -p m16 -P usb Avrdude's response :: avrdude.exe: initialization failed, rc=-1 Double check connections and try again, or use -F to override this check. Do i need to give external power to the board or it uses USB's Power supply....... WHY IT IS HAPPENING. Pls Help me.....

Topic by techieman   |  last reply

USBeDuino Project

Hi, I just want to inform you about a new project, which bring a tiny microcontroller board for your home automatication, to you. It is called "USBeDuino". What is USBeDuino? basically it is a microcontroller board with 3 shields, which, when combined make a very great platform for home automatication. Features: Processor: Attiny85 2 x 3A PWM Output sink channel 3 x Analog input channel 1 onboard poti 2 onboard Buttons Input Voltage 5-24V Small size The idea behind the board: Sometimes you need only projects with very less pins, such as light controlling or pump controll (in the garden). Then you dont want to use a full arduino, with a power or a relay shield... then you can use the USbeDuino! Please tell me, what do you think about this project? Does it have potential?

Topic by Jan_Henrik   |  last reply

what is an ATtiny 13v microcontroller and where to get it? Answered

ive been trying to make the lucid dream mask from guyfrom7up but i dont know where to get this component. oh and i live in the uk. thanks

Question by phat-z   |  last reply

C++ (attiny/mega) programming language tutorial? Answered

Where can i find one? one thats for absolute beginners, and with examples on how to use the code. i recently started using these, but ive just used codes from others, and i'd like to get onto writing code myself.

Question by godofal   |  last reply

how do i use the ADC present within the ATtiny 861v microcontroller?

I want to convert a input analog signal to a Attiny 861V microcontroller using the built in ADC and then use the digital data to be compared to some prespecified value. Im using AVR studio and ISP mkII programmer. What is the C code i should use to do this

Question by sve   |  last reply

Very small microcontroller Arduino rogrammable?

Hey all! I really need some help! Ok, so I want to make a very small circuit and put it in my watch, but I don't have any microcontollers small enough tor with enough pins. I want around 16-20 I/O pins but I want it to be in a very small package. Like the flat square ones with 10 pins, or the long thin rectangular ones. It also has to be able to be programmed using my Arduino. Several suggestions and help on how to find my own would be a great help! ~AJ

Topic by HavocRC   |  last reply

Help with finding a suitable microcontroller

Hey all! Ok so I'm having a ton of trouble finding a suitable microcontroller, and it seems like nobody else has every had the same problem because there is no other guides or instructions on it.  So first off it needs to be Arduino programmable, like the 2313, 4313, 85 etc. (AVR programable is it?) Then I need at least 4k to 8k memory, and about 20 pins.  I also need a small package, but not too small. I am just a hobbyist. The Attiny24a-SSU in the SOIC 14S1 14 package seems to be the perfect size, but it only has 2k flash, which is not  nearly enough for any real code. So I tried finding the the attiny84a-ssu and I couldn't find any sellers on ebay.  The ATtiny2313-20SU was also a good size, but only has 2k flash. So I tried to find the Attiny4313 in the same package size as the Attiny 2313-20su package size but couldn't find anything readily available.  Now obviously all these microcontrollers are purchasable on some chinese electronics website, but I want it to be a little more readily available, like on eBay.  Also there seems to be little to none documentation on these little guys as far as programming them with an arduino. It takes me hours upon hours sorting through outdated libraries to find the correct library for the board.  So, am I stuck with ordering from expensive electronic stores or is there another board out there that I can get on ebay for a fairly good price.  Thanks!

Topic by HavocRC   |  last reply

ATTiny85 programming error

Hi everyone, I'm having a bit of trouble with programming an ATTiny85 using an Arduino Uno.  I've previously been able to program them quite easily using the method shown here;   I've tried using both a homemade programming shield and wiring a breadboard, but I get the same error each time; avrdude: Yikes!  Invalid device signature.          Double check connections and try again, or use -F to override          this check. I don't know what this means or how to fix it.  I know my wiring is good, the breadboard is at least quadruple checked and I have used the shield many many times before.  Any suggestions or ideas? ~Dudes

Topic by dudes   |  last reply

Bluetooth (HC-06) with ATtiny85

Hi everyone,      I've been playing around with the HC-06 Bluetooth module for a while now and have had great success with it so far.  However, I have been using the Arduino Uno and Pro Mini, which have quite a few unused pins in my applications.  In order to downsize I'm trying to use the Atmel ATtiny85 chip.  I have used it many times in the past so I'm at least a bit familiar with its functions and limits.  For some reason I cannot get the Bluetooth module to work with the ATtiny85.  After many long and frustrating hours spent in vain, I decided to ask you all for help.  Does anyone know of any good tutorials or code for using the ATtiny85 with the HC-06 module?  It would be great if I could use the app Ardudroid to control the ATtiny85, but any help would be greatly appreciated.   Thanks ~Dudes

Topic by dudes   |  last reply

programming a stealth USB caps locker problems? Answered

I have a problem programming my stealth USB caps locker (link)  the PCB is ready, the components soldered on, and ive made connections to my ghetto programmer. now, i opened programmers notepad and wanted to program it, but now it just gives a whole load of errors: > "make.exe" program set -e; avr-gcc -MM -mmcu=attiny45 -I. -g -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes -Wa,-adhlns=main.lst  -std=gnu99 main.c \     | sed 's,\(.*\)\.o[ :]*,\1.o \1.d : ,g' > main.d; \     [ -s main.d ] || rm -f main.d main.c:19:20: error: usbdrv.h: No such file or directory main.c:20:21: error: oddebug.h: No such file or directory Compiling: main.c avr-gcc -c -mmcu=attiny45 -I. -g -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes -Wa,-adhlns=main.lst  -std=gnu99 main.c -o main.o In file included from main.c:16: c:/winavr-20090313/lib/gcc/../../avr/include/util/delay.h:85:3: warning: #warning "F_CPU not defined for " main.c:19:20: error: usbdrv.h: No such file or directory main.c:20:21: error: oddebug.h: No such file or directory main.c:25: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'reportBuffer' main.c:26: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'idleRate' main.c:27: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'reportCount' main.c:33: error: 'USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH' undeclared here (not in a function) main.c: In function 'buildReport': main.c:65: error: 'uchar' undeclared (first use in this function) main.c:65: error: (Each undeclared identifier is reported only once main.c:65: error: for each function it appears in.) main.c:65: error: expected ';' before 'key' main.c:68: error: 'reportCount' undeclared (first use in this function) main.c:69: error: 'key' undeclared (first use in this function) main.c:73: error: 'reportBuffer' undeclared (first use in this function) main.c: In function 'timerPoll': main.c:87: error: 'reportCount' undeclared (first use in this function) main.c: At top level: main.c:104: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'usbFunctionSetup' main.c: In function 'calibrateOscillator': main.c:143: error: 'uchar' undeclared (first use in this function) main.c:143: error: expected ';' before 'step' main.c:144: error: expected ';' before 'trialValue' main.c:149: error: 'trialValue' undeclared (first use in this function) main.c:149: error: 'step' undeclared (first use in this function) main.c:150: warning: implicit declaration of function 'usbMeasureFrameLength' main.c:157: error: 'optimumValue' undeclared (first use in this function) main.c: In function 'main': main.c:193: error: 'uchar' undeclared (first use in this function) main.c:193: error: expected ';' before 'i' main.c:194: error: expected ';' before 'calibrationValue' main.c:196: error: 'calibrationValue' undeclared (first use in this function) main.c:200: warning: implicit declaration of function 'odDebugInit' main.c:201: warning: implicit declaration of function 'usbDeviceDisconnect' main.c:202: error: 'i' undeclared (first use in this function) main.c:205: warning: implicit declaration of function 'usbDeviceConnect' main.c:211: warning: implicit declaration of function 'usbInit' main.c:215: warning: implicit declaration of function 'usbPoll' main.c:222: warning: implicit declaration of function 'usbInterruptIsReady' main.c:222: error: 'reportCount' undeclared (first use in this function) main.c:224: warning: implicit declaration of function 'usbSetInterrupt' main.c:224: error: 'reportBuffer' undeclared (first use in this function) make.exe: *** [main.o] Error 1 > Process Exit Code: 2 > Time Taken: 00:03 maybe its this: ""Download capslocker.hex and use AVR Studio or a standalone programming tool to write into the ATTiny45 Flash. Oh, you'll also need to select the fuse for PLL/1k clock source." thats what the maker of this thingie said, but what is the fuse for PLL/1k clock source? could it be that? when i use the .hex file, i get about the same. whats the problem? i didnt change anything.

Question by godofal   |  last reply

Does anyone have a pcb design for making an attiny13 programming cradle?

I am looking for a pcb design for an attiny13 programming cradle, preferably an eagle file (.brd) but a pdf or picture file is okay to.

Question by tjmortenson   |  last reply

Can i use an avr microprocessor to output a specific current?

If anyone has some arduino code or something for an attiny 13 it would help alot!

Question by DELETED_cdousley   |  last reply

how do i check if my attiny is working?

Im trying to build a minipov  with this schematic, and i cant get it to work i've checked the polarity of the leds (wich were wrong, and i turned them around) and all the wiring. im using 3 rechargable AA's, wich give something like 3.8 V (measured) but, the leds wont light up (i've loaded a program that should light all the leds) how do i check if the attiny2313 is working at all? without a scope ;)

Question by godofal   |  last reply