Use this tag for discussing resetting the processor.
0
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0answers
5 views
Why do I need to reset Leonardo each time I reboot my PC?
I am currently working on a project involving my Arduino Leonardo: writing Windows 10's login password by pressing a button (I know it brings with it lots of security issues, but I am not worried ...
0
votes
0answers
18 views
ard-reset-arduino resetting Leonardo/Micro via USB works on OSX, fails on Ubuntu
I'm trying to program a Leonardo (actually a Micro ATmega32U4) via the command line using USB. Schematically, I'm doing ard-reset-arduino followed by a sleep 1 and an avrdude command.
This works ...
0
votes
1answer
19 views
Getting a reset error on an Arduino Wemos D1
As a learning effort, I am trying some sample code on my Arduino Wemos D1 which is basically an Arduino compatible board with a built-in ESP8266 (Wi-Fi module).
This is the output of my Serial ...
-1
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0answers
12 views
Auto-reset based on arbitrary condition
I have a silly problem with my Adafruit PN532 NFC reader. 1 times out of 100, it will not detect the PN532 chip when initializing. I am using I2C mode. I will need to use a pin to reset the arduino (...
0
votes
0answers
44 views
Arduino TIAN - how reset to factory settings?
I recently bought Arduino TIAN which has some version of Linino on it. There is an initial description on how to proceed on the Arduino.ORG site. I followed it. As a result, I cannot access the ...
3
votes
1answer
37 views
Arduino Pro Mini RESET button suddenly stopped working
I am powering my Pro Mini(3.3V version) using an external battery (~6.5V 700mA) . I used to connect it to the RAW and GND pins on my pro mini and everything ran fine.
Today when I powered up my ...
1
vote
1answer
55 views
Float to integer conversion for control program crashes arduino
I have a program which estimates battery capacity, range as well as runs different control loops on an arduino MEGA2560 to control an eBike. I was using floating points which gave me quite a slow ...
1
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0answers
35 views
Arduino code not starting at beginning after poweroff
I created a few Arduino-XBee temperature sensor nodes that send data to another XBee node.js server. I'm running into a few issues trying to write a function to initiate a handshake and receive an ...
1
vote
2answers
98 views
How to Factory reset ESP8266? [closed]
I want to use ESP8266 to send emails. I tried twice flashing the Firmware to a particular firmware as suggested in a tutorial. Now both my ESP are unresponsive to AT commands. Let me know the way to ...
2
votes
4answers
274 views
Is there any way I can stop the Arduino Mega 2560 from resetting all variables after losing and reconnecting power?
I am using an Arduino Mega 2560 board. I have tried connecting a 115 Ω resistor from 5V to Reset, and 10 µf capacitor form reset to GND (to disable autoreset), and the variables still seem ...
1
vote
1answer
444 views
WDT & Software RESET in ESP8266 + Arduino IDE
I am working on ESP8266 in Arduino IDE. I want to know how to Software RESET the ESP8266. Any sketch/example would be useful. Moreover, how to initialise WDT in ESP8266.
Kindly help!
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votes
1answer
91 views
Necessary to drive RESET pins on slaves?
I have an 8 line bus for driving various chips that looks like this:
CLK
MOSI
MISO
SS
SS2
SS3
5V
RESET
Do I really need a RESET line?
Or are most chips ok with just having their RESET pin set when ...
0
votes
1answer
251 views
How do I reset an ESP8266 with an FTDI and no reset button?
How do I reset an ESP8266 with an FTDI and no reset button? I assume that it has something to do with the reset pin on the ESP8266, but I cannot find a step-by-step usage of the pin online.
1
vote
0answers
34 views
Is my HC-05 broken?
I have an HC-05 wired with an Uno, and am using a sketch to control the HC-05 AT mode and send AT commands, per a variant of this instructable: DIY Arduino Bluetooth Programming Shield
The error I ...
0
votes
0answers
84 views
Unable to reset arduino with RESET pin
I am using a custom built arduino UNO for some personal projects. I am using a custom optiboot bootloader given by Nick in this post. This was done to prevent the three LED flashes on digital pin 13.
...
1
vote
0answers
51 views
Arduinino & Max7219
Im using a MAX7219 and 6 (six) seven segment displays
I used my own board and two purchased on ebay - no difference in operation.
MOSI, and CLK are correct and verified with my scope (Tektronics)
CS (...
0
votes
1answer
62 views
Reset as I/O pin
I'm looking to minimise the parts count and the power consumption as much as possible and I was wondering if is it possible to store a variable or execute a method when the 'reset' button is pressed?
...
1
vote
1answer
202 views
Setup J-K Flip-flop for logging on Arduino RESET
There are two events I plan to log; using no switches or requiring manual input of some kind. One of the events is whenever the Arduino Serial Monitor is opened; the other, is when external event ...
3
votes
2answers
199 views
Watchdog approach
I'm developing up a project that is designed to run 24/7 (an energy monitor) logging via wifi.
Due to a variety of considerations I've ended up with a design that links an Arduino Nano with an ...
1
vote
2answers
2k views
Reset Arduino Uno R3 from Serial when it freezes (stops looping)?
I have an Uno that loops processing serial commands and reading from a DHT11 sensor. For whatever reason, the device often stops responding. I put an LED on a pin and gave it a blink to see whether ...
0
votes
1answer
443 views
When the Arduino is in reset mode are the digital pins high impedance?
I have an Arduino (Arduino A) hooked up to an external FRAM chip and I want to be able to pull the Arduino A's reset pin to ground to keep it in a constant reset state. Then I want to hook up another ...
0
votes
1answer
193 views
Hard-resetting an arduino
I need to hard reset (or seriously breathe life into) a stuck Arduino clone (Sunfounder UNO) which doesn't get recognized by Windows (error 43) after installing the wrong sketch. I am using the latest ...
-1
votes
1answer
82 views
Why did my program stop working when I eject the serial cable like it did an auto reset?
Arduino Uno based on 328p micro-controller board only works while I am inserting the serial cable between the board and the computer and I can control the speed of my two motors and every thing is ...
1
vote
2answers
133 views
How to reset Arduino Uno over BLE just like over USB?
I'm working on wireless upload to Arduino and i've succeed for Mega2560. But when trying to upload to Uno it does not wait for upload commands. I'm doing reset using GPIO and HM-10 BLE module wired ...
1
vote
1answer
87 views
RedBearLab Wifi Mini
I am trying to make a program using 'Energia'
Energia is based on the latest and greatest Arduino IDE modified for TI Launchpad & RedBearLab development boards.
and RedBearLab Wifi Mini v1.0.
...
1
vote
1answer
155 views
How does one design for the power on transient conditions?
Following on from the question Reset an Arduino UNO by an command (software) and the excellent answer provided by mpflaga, the comment addressing option (1) suggests that there are design ...
0
votes
1answer
268 views
can I create an on/off switch for my Arduino using the reset pin?
If i connect a switch to the reset pin, can I create an effective way of turning off the Arduino (overnight) without removing its power supply?
2
votes
1answer
2k views
How does the reset button work on the Arduino?
I'm confused about how and when to use the reset button on the Arduino. Do I simply press the button while it is on? Is it simply restarting the board or clearing the uploaded code as well? Currently ...
1
vote
0answers
46 views
How to reset an Arduino with node-serial?
I was reading about using an Arduino with a Makefile. In the Makefile-Arduino project there is a reference to the Python serial library required to reset the board.
Looking into the usage of PySerial ...
2
votes
1answer
108 views
Why is the atmega chip reset three times during programming?
I'm trying to understand the auto reset process and why a capacitor hooked up between DTR and Reset works so I ran it through my logic analyzer and I'm seeing the chip reset three times during the ...
1
vote
0answers
122 views
Arduino ProMini green led flashing and unable to reset
so I'm using a promini running on solar power. For some reason, after sometime it gets stuck with the green led flashing and only by cutting power can I reset the promini. Even the reset button doesnt ...
0
votes
1answer
901 views
Using 555 as an external Watchdog
I would like to use a 555 circuit as an external watchdog for my Arduino project. The project is a cellular tracker that goes to sleep for an hour, wakes up and does some measurements, uploads them ...
1
vote
3answers
955 views
Resetting an Arduino with a timer
I want to run an Arduino autonomously - but although I apply a watchdog sometimes the systems hangs and can only be restarted by physically interrupting the power-supply (or hitting reset). So I need ...
2
votes
4answers
3k views
Arduino Pro Micro clone not recognized, flickering RX LED
I have an Arduino Pro Micro clone that seems to be in some sort of reset loop.
The RX LED is flickering very fast and very dim.
The power led also seems to flicker at the same frequency but has normal ...
8
votes
1answer
678 views
How to reset Arduino from software
As you know, the Arduino IDE resets the Arduino when the Serial Monitor is opened. I want also my program to do it. But I don't know how.
I examined the source code of the Arduino IDE (Serial.java &...
1
vote
1answer
79 views
Micro not detected, can't reset
I just picked up a new Arduino Micro for a project, but the first time I tried to upload to it, things went terribly wrong. The USB cable was loose, so the power light kept blinking on and off. When I ...
-2
votes
1answer
185 views
How to Reset or Format the Arduino?
My Arduino got damaged by a short circuit so I tried my board with a simple code it gives me wrong results, so is there any way to reset or format it?
1
vote
2answers
7k views
Watchdog timer stuck in restart loop? (green led flashing)
I am trying to set up a way to reboot arduino on command. The code below should do that but it seems like my arduino just get's stuck in some sort of a loop where I cant upload or get any serial ...
13
votes
1answer
25k views
Reset an Arduino UNO by an command (software)
Is it possible to reset an Arduino (i.e., to reboot it) from code (i.e from the sketch itself)? I know that is possible with a special circuit but is there a chance to make it just with code?
Below ...
5
votes
2answers
3k views
Arduino serial port reset in Serial monitor & Python
So am I using an Arduino with a shield to gain some voltage values for an ECG. I am then plotting that data in Python. However whenever I "observe" the serial port, be that through the Arduino serial ...
2
votes
1answer
494 views
Why Arduino Severino (S3V3) sometimes needs reseting when uploading a sketch?
I have an original Arduino UNO R3 that I bought and an Arduino Severino (S3V3) that I've built.
I have no problems uploading sketches to the UNO, but sometimes, when uploading to the Severino board, ...
