Virtronics aims to promote the use of the Arduino and extend the function and reach of Shields for Arduino.

Virtronics currently develops shields for in-house use. Watch the Youtube videos to see these shields in action.

The Simulator for Arduino is an Arduino Simulator program designed to fill in the gap since there were no professional Arduino Simulators available. Most open source simulators need to be compiled, are very complicated, have many issues or all of the above.

The Simulator for Arduino program has received rave reviews since launch in early 2012 and is used around the world.

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Since March 2013

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Sid	Date	Line	Sketch	Description of Error
49	Friday, March 12, 2021 - 18:12	non	roof_hatch_manager.ino	The simulator (pro-version) does not start anymore. In the task manager you can see that the simulator needs a lot of memory.After 15min the program terminates. Error messages are displayed when starting. Then a file dialog is displayed to load the "limit.h". But the diallog is exactly on the directory with the "limit.h". Error messages: stddef.h (Tab16) Line 110:_TYPE_ptrdiff_t; stddef.h (Tab16) Line 114:_TYPE_size_t; stddef.h (Tab16) Line 118:_TYPE_wchar_t;
47	Tuesday, October 27, 2020 - 23:26	non	non	Link to upgrade does not work
46	Saturday, August 8, 2020 - 05:18	1264	SimulatorForArduino.exe	Hello, I have the following problem: The command "Serial.read" always reads the text "Serial1 Input data 12,34,56 \ n". This text is contained in line 1264 in the "SimulatorForArduino.exe" file. I modified the EXE file with a hex editor, but to no avail. How can this be changed so that Serial.read only prints "0"? Regards
45	Tuesday, October 22, 2019 - 18:15	on startup	all most times	popup window "Range check error" more often than not will not close. Slowly filling screen as I type this. when is running says it cant load a sketch, but does. had no trouble with demo! Win 7 pro spk1 i5-2430m 2.4 2.0Ghz 4Gig Ram 64bit.
44	Thursday, June 20, 2019 - 23:23	n/a	for an UNO	Simulator has possibilities. Does not recognize TCNT registers; however, recognizes TCCRA, B, etc. Window sizing is all screwed up. Pretty basic stuff.. all you have to do is save the current window parameters to restore later. Also, clicking in the window resizes it!!! We don't need that frustration while debugging.
43	Thursday, March 14, 2019 - 19:27	n/a	n/a	Pressing F2 and F11 always causes main window to resize from what I had it set to. Variable Insight column widths cannot be locked and always resize What am I missing ?
42	Monday, February 18, 2019 - 08:14	anywhere a register is refered to	n/a	Line 18:TCNT1 = 34286; // preload timer 65536-16MHz/1/512Hz Line 19:TCCR1B \|= (1 << CS10); // 1 prescaler TCNT1 TCCR1B etc etc not recognised for setting up timer 1 interrupts pretty fundamental stuff! Options>>standard includes IS CHECKED
40	Saturday, October 13, 2018 - 03:30	Yes	Agreed	I have a fairly simple block of code that breaks the millis() function down to hours minutes and seconds into single digits. When I run it in the simulator most of the variables don't update, this is not how a real arduino behaves. Here is the code: unsigned long mil; int onTime = 10; long onTimeMil = onTime * 1000 + millis(); int offTime = 30; long offTimeMil = offTime * 1000 + millis(); int upHours; int minutesLHours; int oneMinute; int tensMinute; int secondsLHoursMin; int oneSecond; int tensSecond; int oneMilli; int tensMilli; void setup() { // put your setup code here, to run once: mil = millis(); Serial.begin(115200); } void loop() { unsigned long milli = millis(); upHours = milli / 1000 / 60 / 60; unsigned long minutes = milli / 1000 / 60; minutesLHours = minutes - (upHours * 60); oneMinute = minutesLHours % 10; tensMinute = minutesLHours / 10; unsigned long seconds = milli / 1000; Serial.print("seconds"); Serial.print(seconds); secondsLHoursMin = seconds - (upHours * 60 * 60 + minutesLHours * 60); oneSecond = secondsLHoursMin % 10; tensSecond = secondsLHoursMin / 10; unsigned long milliLHoursMinSec = milli - ((upHours * 60 * 60 * 1000) + (minutesLHours * 60 * 1000) + (secondsLHoursMin * 1000)); oneMilli = milliLHoursMinSec % 10; tensMilli = milliLHoursMinSec / 10; Serial.println(milli); Serial.print("Time = "); Serial.print(upHours); Serial.print(":"); Serial.print(tensMinute); Serial.print(oneMinute); Serial.print(":"); Serial.print(tensSecond); Serial.print(oneSecond); Serial.print(":"); Serial.print(tensMilli); Serial.println(oneMilli); delay(1000); } Is there any way to fix this? Also I don't know what you want in the Line and Sketch fields in this form. Also the captcha is very hard to complete. Which country is shown on the back of the Arduino board? I don't know, maybe I have an ATmega328P on a breadboard, or a chinese bought esp8266, or an attiny85 in a header socket, or any other random thing.
39	Thursday, July 12, 2018 - 14:26	void loop()	Initial + others	range check error - also says it won't load sketches (but does). In addition Blink doesn't work, the L stays dead. On the initial sketch and others it runs through setup() and returns to the declarations, never touching loop(). Steps line by line through block comments... etcetera More bugs than an acre of Amazon Rainforest. Great idea but poor implementation.
38	Friday, July 6, 2018 - 23:52	na	na	entering 'F00' in hex tab of calculator crashes program. Not tested extensively a still using trial with delayed start. using latest version of simulator on windows 10.
36	Monday, June 11, 2018 - 04:05	n/a	n/a	200 line limit, of trial version truncated my .ino file, and put a watermark message that I can upgrade to pro ... Hours of work has been lost with truncated file ... Not happy!
35	Saturday, June 2, 2018 - 23:32	}	Arduino_Lift_V007.ino	Cannot index IO pins in a for loop, with a base pin offset. Simulator runs first iteration of loop and initialises the Io for the base pins with i offset loop var is 0. On reaching closing brace of for loop, rather than I++ simulator crashes
33	Sunday, April 1, 2018 - 06:51	Before start	switcher1.1.ino	Range Check Error when starting the program. clicking OK starts the program. Press Run Not recognising /..../ characters. Message appears : Cannot Evaluate } Line1: //ver 1.1 Changed to // for all lines of the series but same result when Run Compiled on Arduino Development Environment no errors. Updated the software last year and this problem occured.Haven't attempted to solve the issue since. Downloaded most recent version 1.10 but same errors again. Worked fine on an older version (pre 1.7 I think) Appreciate if you can solve this as I think its great software and great value too
32	Wednesday, March 14, 2018 - 18:39	13	See in description	// Simulate(Uno) link sketch to Arduino board here const unsigned long R1 = 200000; const unsigned long R2 = 600000; const unsigned long R3 = 1500000; const double U_R1 = 0.372; const double U5 = 4.779; void setup() { // put your setup code here, to run once: double U_R2, U_R3, U_R4; U_R2 = U5 - U_R1; U_R3 = ((U_R2/R2) - (U_R1/R1))R3; U_R4 = R3((U_R2/R2) - (U_R1/R1)); } void loop() { // put your main code here, to run repeatedly: } in line 13 and 14 the results should be the same for U_R3 and U_R4! But they are U_R3 = -8994515, and U_R4 = 8,2275! Please check. Thanks
31	Sunday, March 11, 2018 - 05:23	Antivirus flags simulator as malware	Install script	I've been using Virtronics to teach Arduino at my University for the past few years and really like it. My home university (Ireland) recently changed to the kapersky antivirus platform and it identifies virtonics as malware and won't allow it to install. I'm doing some teaching soon in another university in France and want to use Virtronics there. The same problem is occurs there as well. They're using Microsoft defender. In both cases disabling the antivirus protection allows Virtronics to install. This is a great product and I'd hate to see it being discounted by others less determined than me!
29	Wednesday, October 11, 2017 - 08:11	xx	Reply	Please add to the top // Simulate(Nano) to always use Nano and remove any // Simulate(Uno) reference (refer to http://virtronics.com.au/help/Hiddencode.html) Other errors will be reviewed shortly. Thanks
28	Friday, October 6, 2017 - 17:57	xx	xx	I'm using version 1.7.0.1. If I update a sketch the board resets to an Uno instead stays at the Nano i use. Is this a bug?
27	Friday, October 6, 2017 - 17:55	20	// Simulate(Uno) link sketch to Arduino board here unsigned long oud; unsigned long nieuw; unsigned long result; void setup	If micros() reaches 2.147.483.647 the simulation stops with the error "Cannot evaluate micros() . Simulator version 1.7.0.1.
25	Monday, March 20, 2017 - 23:25	n/a	n/a	'TR/Fraud.Gen2 [trojan]' detected on download, but not in the actual software download, but in a different file in the browser cache that appears when downloading this. Are you people sure there isn't a hitchiking separate file trojan in the download?
23	Wednesday, January 18, 2017 - 11:31	0026	vraag_boole	boolean u = digitalRead(sw1); boolean v = digitalRead(sw2); boolean w = !digitalRead(sw3); boolean z = ((u && v)\|\|w); /* u && v \|\| w should be act equal as ((u && v \|\| w) because the AND function has precedence on the OR function */ digitalWrite(led1, z);
21	Sunday, October 16, 2016 - 00:24	1	2	web browser unlock does not appear
20	Friday, April 1, 2016 - 14:22	0	SetupSim_v1.02	Get "This installation requires Windows XP, Vista, 7. Installation cannot continue." When installing on windows 8.1
19	Monday, March 28, 2016 - 04:34	no line	no sketch	functions returning floats, returns zero
18	Tuesday, March 1, 2016 - 23:33	No line	No sketch	Simulator do not found library wire.h, that is happened after installed win7 Thanks Claudio
17	Sunday, January 3, 2016 - 11:54	no line	no sketch	I was testing and... where is the MS step???? This version doesn't have it or is it my PC that is mad???
15	Saturday, August 1, 2015 - 20:13	strcpy	my very simple sketch	the skecth below is valid arduino code and working normally.. void setup() { char dataToSend[30]; strcpy(dataToSend, "ABCDEFGHIJKLMNOP123456"); } void loop() { } But in simulator ıt giver error..
14	Sunday, July 26, 2015 - 17:21	general	general	The simulator does not remain within void loop();. Its starts tracing the subsequent functions as well. For example, if i have a subsequent fucntion void display(); the simulator after tracing step-by-step (F7) code of void loop(); goes into void display();. Please, need help!
11	Monday, April 13, 2015 - 02:18	1	2	test error form
10	Wednesday, February 25, 2015 - 23:52	general	general	Not recognized string.toCharArray(buf, len) command: http://arduino.cc/en/Reference/StringToCharArray
9	Wednesday, February 25, 2015 - 23:36	general	general	The same error as already reported: 1ms in simulator takes 15 seconds. Strange is that 2 weeks ago it worked fine. I've reinstalled the simulator but the issue is still there.
7	Saturday, February 7, 2015 - 13:26	25	trace_check.ino	"The filename, volume name, or directory syntax is incorrect" this error message occurs when I launch the Logic Analyzer window.
6	Saturday, January 17, 2015 - 01:27	general using millis()	BlinkWithoutDelay	When I run a sketch using millis() the count of ms changes from 0001 to 0.001 and i get 1.000 in 15 seconds. is that normal?
5	Thursday, December 18, 2014 - 19:09	0033 void(* resetFunc) (void) = 0; //declare reset function @ address 0	onst int buttonForwardPin = 6; // the number of the Fwd pushbutton pin	seems the simulator doesnt recognise the following reset function and doesnt act on this command void(* resetFunc) (void) = 0; //declare reset function @ address 0 resetFunc(); //call reset
2	Thursday, May 29, 2014 - 18:08	37	Free Version firt steps.ino	Cannot Evaluate digitalRead(SELPIN[Spin]) Line: Line: 11 Serial.println(digitalRead(SELPIN[Spin]));

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