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Recent questions tagged arduino

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arduino - Store value in variable after HTTPREAD

I am working with a GSM SIM900 and an Arduino Uno. I am using AT commands for the SIM900. I am successfully ... HTTPREAD +HTTPREAD: 17 [{"Status":true}] OK Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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arduino - Serial.println works only inside of loop()

My code void setup() { Serial.begin(115200); while (!Serial) {} Serial.println("Setup"); } int t ... //stackoverflow.com/questions/65831437/serial-println-works-only-inside-of-loop...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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arduino - Designing a basic RGB LED blinking circuit

The circuit: Trying to get this just to blink, can't figure out how! void setup() { pinMode(3, ... /stackoverflow.com/questions/65839434/designing-a-basic-rgb-led-blinking-circuit...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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arduino - Small PWM module?

I'm trying to find a fitting module/component for a project, but have a hard time finding the right ... question from:https://stackoverflow.com/questions/65840782/small-pwm-module...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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arduino - How to check the balance of sim800l by phone

I have a question about ussd code in sim800l and arduino project: How to send the amount of balance that is ... /questions/65843479/how-to-check-the-balance-of-sim800l-by-phone...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

arduino esp8266 - How to fix x-axis in time based on actual sensor time reading in antares widget?

screenshot from my antares widget account the x-axis should look like this What seems to be the problem here? and ... in-time-based-on-actual-sensor-time-reading-in-antares-widget...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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896 views

1 answer

arduino - C: variables retain the value from previous operation instead of resetting

I am fairly new to C and have been trying my hand with some arduino projects on Proteus. I recently ... c-variables-retain-the-value-from-previous-operation-instead-of-resetting...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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arduino - Issue on Verification error , first mismatch at type 0x0000

I am beginner in arduino. Here I tried to burn/upload a code from arduino IDE. Code executes successfully ... /65878698/issue-on-verification-error-first-mismatch-at-type-0x0000...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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arduino - SIM800l V2 Keeps Blinking Every Second

I'm desperately looking for a solution for my SIM800l v2. The network LED just keeps blinking every ... stackoverflow.com/questions/65886095/sim800l-v2-keeps-blinking-every-second...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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967 views

1 answer

arduino - How to concatenate const char* to get another JSON via https

I'm trying to get JSON (YouTube Data API) multiple times after a response of JSON using ESP32 board with ArduinoJSON ... how-to-concatenate-const-char-to-get-another-json-via-https...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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arduino - I don't know what's wrong with my code, random stuff happens

Hi I'm very much a beginner in the world of Arduino and I just got my Arduino Uno, I wanted to try something ... /65903413/i-dont-know-whats-wrong-with-my-code-random-stuff-happens...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

arduino - HTTP_GET, was not declared in this scope

While compiling my rather simple project I get an error that I'm unable to resolve. The included libraries are: ... com/questions/65919148/http-get-was-not-declared-in-this-scope...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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877 views

1 answer

arduino - I can't find out variable type

Closed. This question needs details or clarity. It is not currently accepting answers. question from:https://stackoverflow.com/questions/65926261/i-cant-find-out-variable-type...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

arduino c++ - Array of a type with different types inside

I'm creating an Array of a Class Type (Button), and I want to have a subclass of it called ButtonMb ... .com/questions/65928646/array-of-a-type-with-different-types-inside...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

1 answer

arduino - serial.parseInt() returns a 0 value on its own

I am trying to read some integers from serial, so I used Serial.parseInt() to read two values(0 or 1), the ... .com/questions/65947991/serial-parseint-returns-a-0-value-on-its-own...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

arduino - controlling servo without servo.h library (speed issue)

Iam trying to create my own code to control a servo without using the servo.h library,i was able to ... com/questions/65516826/controlling-servo-without-servo-h-library-speed-issue...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

arduino - How come when I try to run 2 python scripts that give and take data from another and one's reading serial port data I get a permission error?

So I have 2 python scripts, one is reading serial port data and the other is receiving a list from that data, ... to-run-2-python-scripts-that-give-and-take-data-from-another...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.4k views

1 answer

arduino - ESP32: Reading ADC in Active Mode blocks ADC reading in Deep Sleep mode ULP code

I am currently working on a GPS project and am using voltage detection to put my system to sleep and a wake it up ... -in-active-mode-blocks-adc-reading-in-deep-sleep-mode-ulp-code...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

848 views

1 answer

arduino - PID regulation for very wide temperature range (?190°C)

I'm designing temperature control system based on Peltier elements. And it's needed to work on a ... /65626495/pid-regulation-for-very-wide-temperature-range-%e2%88%86190c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

arduino - PULP platform which uses modelsim

Hello Thank you for your attention, am trying to install a PULP platform which uses modelsim. The last ... //stackoverflow.com/questions/65641880/pulp-platform-which-uses-modelsim...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

962 views

1 answer

arduino - How can I use a shift register with an LCD(16,2)

I am experiencing a problem in using a shift register with an LCD for a project that requires a lot of GPIO pins on the ... /65643922/how-can-i-use-a-shift-register-with-an-lcd16-2...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

arduino - ESP32: Guru Meditation Error: Core 1 panic'ed (StoreProhibited)

I've been working on a LED strip lately trying to create all kinds of animations. But one of them ... /questions/65644593/esp32-guru-meditation-error-core-1-paniced-storeprohibited...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

861 views

1 answer

arduino - How do I change the COM port something is set to?

So I have a robot with 2 wheels and it works fine with a USB cable to drive. But I want to upgrade it to ... /questions/65661047/how-do-i-change-the-com-port-something-is-set-to...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

1 answer

arduino - Convert String or Integer into uint32_t with "x"

I'm working with a home automation project. With esp32 and Flutter. I'm using a infrared library to execute ... questions/66045869/convert-string-or-integer-into-uint32-t-with-x...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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884 views

1 answer

arduino - Track position of Zaber device while moving

I am using a Zaber linear stage controlled by an Arduino using the Zaber shield. I try to do something ... .com/questions/66045903/track-position-of-zaber-device-while-moving...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

917 views

1 answer

arduino - Problem with disconnecting outgoing calls from SIM800L

I have a problem with the sim800L . If I give the command ATD + 48xxxxxxx; I cannot force the ... .com/questions/66051365/problem-with-disconnecting-outgoing-calls-from-sim800l...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

arduino - Problem with disconnecting outgoing calls from SIM800L

I have a problem with the sim800L . If I give the command ATD + 48xxxxxxx; I cannot force the ... .com/questions/66051365/problem-with-disconnecting-outgoing-calls-from-sim800l...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

945 views

1 answer

arduino - Issues Flashing STM32F401CC with CubeProgrammer DFU

I'm trying to do a DFU program upload via Arduino for an STM32F401CC. I'm using CubeProgrammer ... .com/questions/66068352/issues-flashing-stm32f401cc-with-cubeprogrammer-dfu...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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