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Arduino Ask Engineering

Push button restarts the arduino

I have linked an external push red colored button to my arduino but when I press it, instead of giving me HIGH or LOW, it resets the arduino. I am a beginner to this stuff so could someone help?

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Arduino Ask Engineering

Overlapping text problem with TFT SPI 1.3″ ST7789 display

I have a problem with my ST7789. My display just piles up when I show the current time, or showing some variable value that changes.

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Arduino Ask Engineering

Problem with tft spi 1.3″ ST7789

I have a problem with my ST7789, my display just pile up when i show the current time, or showing some variable value that changes every times.

Categories
Arduino Ask Engineering

Compile and Debug on Linux

I started to work on a project for an ATmel328P. The project source file are contained inside a src folder. I have only the makefile (created starting from this example). I can compile without errors and now I’m wonder if it possible to debug the code from linux. I looking for a solution using VS […]

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Arduino Ask Engineering

7 segment displays are not working whatsoever

/* MODIFIED TRAFFIC LIGHT SYSTEM W/ A COUNTDOWN TIMER FUNCTION BY JOHN SEONG THIS IS A QUITE ACCURATE SIMULATION OF TORONTO’S TRAFFIC LIGHT SYSTEM WHICH INCLUDES TWO 7-SEGMENT DISPLAYS THAT SHOW THE SECONDS LEFT TILL THE PEDESTRIAN LIGHT SWITCHES BACK TO RED. ENJOY! */ const int redLED = 4; const int yellowLED = 5; const […]

Categories
Arduino Ask Engineering

7 segment displays are not working whatsoever

/* MODIFIED TRAFFIC LIGHT SYSTEM W/ A COUNTDOWN TIMER FUNCTION BY JOHN SEONG THIS IS A QUITE ACCURATE SIMULATION OF TORONTO’S TRAFFIC LIGHT SYSTEM WHICH INCLUDES TWO 7-SEGMENT DISPLAYS THAT SHOW THE SECONDS LEFT TILL THE PEDESTRIAN LIGHT SWITCHES BACK TO RED. ENJOY! */ const int redLED = 4; const int yellowLED = 5; const […]

Categories
Arduino Ask Engineering

7 segment displays are not working whatsoever

/* MODIFIED TRAFFIC LIGHT SYSTEM W/ A COUNTDOWN TIMER FUNCTION BY JOHN SEONG THIS IS A QUITE ACCURATE SIMULATION OF TORONTO’S TRAFFIC LIGHT SYSTEM WHICH INCLUDES TWO 7-SEGMENT DISPLAYS THAT SHOW THE SECONDS LEFT TILL THE PEDESTRIAN LIGHT SWITCHES BACK TO RED. ENJOY! */ const int redLED = 4; const int yellowLED = 5; const […]

Categories
Arduino Ask Engineering

Cannot display a chr string using Wire.read() and u8g2.drawStr()

I’m still getting myself acquainted with C++, so I expect this is a very basic issue I’m facing. I’ve got an OLED screen connected to a Teensy LC and can display text on it just fine. The Teensy receives bytes via I2C, and I want to reassemble those bytes into strings and display them on […]

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Arduino Ask Engineering

ESP8266-01E is not responding after successful flash

I have flashed an ESP8266 with the ESP8266 flash downloader that said my flashing had succeeded. But when I sent an AT command from the serial monitor it didn’t respond and the TX/RX LED from the ESP8266 didn’t respond either. I checked all baudrates from 300-200000, but nothing. I was using CH340 USB to TTL […]

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Arduino Ask Engineering

Esp8266-01E is not responding after success flash

I was flashing esp8266 with esp8266 flash downloader that said my flash has been succeed. But when i send AT command on serial monitor it didn’t respon anything also the TX/RX led from ESP8266 didn’t respon. I check all baudrates from 300-200000 but nothing. I was using CH340 USB to TTL for flashing which the […]