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OK: A fatal error occurred: Timed out waiting for packet content Others/Hardware/Arduino-ESP32/Error
OK: A fatal error occurred: Timed out waiting for packet content
02.06.2020 8
When loading a program zaround ESP32 DevBoard, the flash is aborted with the error message: Configuring flash size Warning: Could not auto-detect Flash size (FlashID=0xffffff,

Switch with ESP32 MosFET and high voltages with optocoupler Others/Hardware/Arduino-ESP32/Arduino-Code
Switch with ESP32 MosFET and high voltages with optocoupler
20.05.2020 54
Only GPIO2 or GPIO4 is connected to the IN1 and Ground on GND of the optocoupler At the bottom of the Oszilloscop you can see the voltage-decoupled signal at the high-voltage voltage and MosFET circuits The trick is to completely dec

Solution: ESP32 does not start because of  Pin GPIO0 Others/Hardware/Arduino-ESP32/Error
Solution: ESP32 does not start because of Pin GPIO0
20.05.2020 72
Solution: ESP32 Pin GPIO0 Problem: ESP32 does not start in the program after installing download of a program Solution: The PIN GPIO0 G0 should not be used as it is used for booting and installing software, firmware, sketch programs for the BOOT sign

A fatal error occurred: Failed to connect to ESP32 Others/Hardware/Arduino-ESP32/Error
A fatal error occurred: Failed to connect to ESP32
20.05.2020 78
Fehler ESP32: A fatal error occurred: Failed to connect to ESP32: Timed out waiting for packet header Cause: If the PIN EN is connected to GRD or GPIO0 G0 is connected to 3 3 Behavior: When uploading a new sketch program, the upload process remains

Problem Issue: ESP32 no longer starts Others/Hardware/Arduino-ESP32/Error
Problem Issue: ESP32 no longer starts
20.05.2020 63
After pressing the RST button, the program gets stuck before the start or it looped all the time in the attempt to start The whole misconduct usually happens when you connect a working ESP32 DevBoard to the GPIO0 Before, everything works without any

Solved: conversion from void to non-scalar type String requested bei String.replace und toLowerCase Others/Hardware/Arduino-ESP32/Arduino-Code
Solved: conversion from void to non-scalar type String requested bei String.replace und toLowerCase
06.05.2020 114
Solved: conversion from void to non-scalar type String requested bei String replace und toLowerCase Error message: error: conversion from 'void' to non-scalar type 'String' requested

Arduino Code: Declare an Enum Type, a Variable and Compare it Others/Hardware/Arduino-ESP32/Arduino-Code
Arduino Code: Declare an Enum Type, a Variable and Compare it
06.05.2020 102
Arduino Code: Declare an Enum Type, a Variable and Compare it Arduino C Code-Sample 1 Declare an enum typdef 2 compare== the enum Arduino C Code-Sample 1 Declare an enum typdef 2 compare== the enum

Connect ESP32 to Bluetooth, work  and write and read commands Others/Hardware/Arduino-ESP32/Arduino-Code
Connect ESP32 to Bluetooth, work and write and read commands
06.05.2020 106
ESP32 Code: Connect ESP32 to Bluetooth, work and write and read commands This code example shows whatyou can connect an ESP32 microprocessor to a smartphone and then send commands to control the application and read the jam ESP32 WROOM32 nodeMCU, Arduino,

ESP32 Code: Create an output pulse with adjustable pulse width via button and display on LCD and digits Others/Hardware/Arduino-ESP32
ESP32 Code: Create an output pulse with adjustable pulse width via button and display on LCD and digits
25.04.2020 146
Arduino ESP32 Code: Create an output pulse with adjustable pulse width via button and display on LCD and digits The following Arduino ESP32 nodeMCU code does the following (with Arduino ESP32 microcontroller code) Two buttons generate a pulse with an adjustable pul

Solved: LCD shows strange signs on ESP32 Others/Hardware/Arduino-ESP32/Arduino-Code
Solved: LCD shows strange signs on ESP32
18.04.2020 129
Applies to ESP32 nodeMCU Arduino and LiquidCrystal_I2C LCD When connecting LCD devices to an ESP32 microcontroller, it happens again and again that the LCD display displays weird cryptic characters after some time I had been looking for a solutio

Arduino : switch case Others/Hardware/Arduino-ESP32/Arduino-Code
Arduino : switch case
17.04.2020 138
Code Example: Arduino switch case Switch (value): Case differentiation by this value Case value: if the value is true, then work out the following lines Break:the case-block ends with break

8 Charater LED anzeigen an einer ESP32 mit TM1638 Led Buttons Others/Hardware/Arduino-ESP32
8 Charater LED anzeigen an einer ESP32 mit TM1638 Led Buttons
16.04.2020 127
8 Charater LED display on an ESP32 with TM1638 Led&Buttons Description: The following code brings the first and last LED of a TM1638 LED&KEY display to the leuchen The Arduino ESP32 code serves as a code example for operating the LED board on an ESP32

ESP32 NodeMCU mit TM1838 Buttons Others/Hardware/Arduino-ESP32
ESP32 NodeMCU mit TM1838 Buttons
16.04.2020 160
ESP32 NodeMCU mit 8 LED & KEY Description: With this application you can operate a button input board on an ESP32 nodeMCU With the code example, the input board is operated in such a way that when pressing a button the appropriate LED lights up

Arduino Code: Create variable pulses with ESP32 DevKit Others/Hardware/Arduino-ESP32
Arduino Code: Create variable pulses with ESP32 DevKit
15.04.2020 134
Arduino ESP32 Code: Create variable pulses with 20 pulses with multiple lengths of 150ns nanoseconds (minimum GPIO time at Arduino ESP32) Application: As you can see here, an ESP32 is used to generate very fast pulses The control serves as a contro

Arduino: view float with 2 commas Others/Hardware/Arduino-ESP32
Arduino: view float with 2 commas
15.04.2020 127
Problem: in an Arduino calculation of a float variable (flow number, comma value), the result is always calculated without decimal places The calculation varFloat=1000 myFloat1 always yields 0 00 Solution: In the case of calculation o

Connect an LCD display on ESP32 Others/Hardware/Arduino-ESP32
Connect an LCD display on ESP32
15.04.2020 195
ESP32 LCD display This guide shows how to connect and display a two-line LCD display on an ESP32 DevKit nodeMCU Connect SCL and SDA signal lines Connect the GPIO21 and GPIO22 lines to the LCD display GPIO22 ->SCL Cl

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