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OK: A fatal error occurred: Timed out waiting for packet content 02.06.2020   10 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, SizeID=0xff), defaulting to 4MB Compressed 8192 bytes to 47 A fatal error occurred: Timed out waiting for packet content A fatal error occurred: Timed out waiting for
OK: A fatal error occurred: Timed out waiting for packet content
Switch with ESP32 MosFET and high voltages with optocoupler 20.05.2020   56 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 decouple the power supply for the MosFET and high voltage circuit and connect your own USB power supply
Switch with ESP32 MosFET and high voltages with optocoupler
Solution: ESP32 does not start because of Pin GPIO0 20.05.2020   75 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 signal
Solution: ESP32 does not start because of  Pin GPIO0
A fatal error occurred: Failed to connect to ESP32 20.05.2020   82 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 stuck with the message
A fatal error occurred: Failed to connect to ESP32
Problem Issue: ESP32 no longer starts 20.05.2020   65 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 problems, but nothing goes after that It's like bewitched ESP32 NodeMCU DevBoard ESP32 Dev Kit WROOM32 4 ESP32 boards all with the same error
Problem Issue: ESP32 no longer starts
Solved: conversion from void to non-scalar type String requested bei String.replace und toLowerCase 06.05.2020   119 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
Solved: conversion from void to non-scalar type String requested bei String.replace und toLowerCase
Arduino Code: Declare an Enum Type, a Variable and Compare it 06.05.2020   108 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
Arduino Code: Declare an Enum Type, a Variable and Compare it
Connect ESP32 to Bluetooth, work and write and read commands 06.05.2020   112 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, DevBoard, Serial Bluetooth Example : Send Start via theSerialBluetooth connection to start the application on ESP32 nodeMCU
Connect ESP32 to Bluetooth, work  and write and read commands
ESP32 Code: Create an output pulse with adjustable pulse width via button and display on LCD and digits 25.04.2020   147 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 pulse width on a digital output pin Operation Output of pulse width in nano seconds on a
ESP32 Code: Create an output pulse with adjustable pulse width via button and display on LCD and digits
Handle german number strings in English numbers 24.04.2020   145 React and HTML Javascript Output of a number Problem: German numbers are calculated incorrectly in javascript html Solution: If you read in javascript or react you eat numbers as a string into a react number of the type number, then usually the Point and , comma incorrectly taken That's why I wrote the small conversion function
Handle german number strings in English numbers
Excel: REwrite RTF to HTML 23.04.2020   152 The following format enumerations are used to convert characters to HTML in RTF: In case of double underlines XlUnderlineStyle: xlUnderlineStyleDouble -4119 Double fat underline xlUnderlineStyleDoubleAccounting 5 Two thin, close-to-on
Excel: REwrite RTF to HTML
Setting multiple monitors in Windows 10 23.04.2020   158 Set desktop display Desktop -> Display Settings -> Multiple Screens Use this display as the main display Extend desktop to this ad 2) Set the taskbar Taskbar -> Taskbar Settings -> Multiple
Setting multiple monitors in Windows 10
Mailenable: Reduce Email Server Attacks by IP Address 22.04.2020   147 Mailenable: Email Server Attacks Status: not solved Problem: This SMTP activity log file shows the attempted attacks on a mailenable mail server within a short period of minutes As you can see, the mail server is massively attacked by login attempts via different names plus the different domain extensions The problem is that I actually want to allow access only from certain IP addresses But in the standard mail servers, this is not so easy Log-File: Login Attacks Mail attacks as a login on a mail server &nbs
Mailenable: Reduce Email Server Attacks by IP Address
Excel Instructions: Remove Duplicate Rows, Remove Duplicates 22.04.2020   143 Remove duplicate rows , remove duplicates To remove duplicate rows or unnecessary lines: You select a range or table in Excel Then Excel->Menu-> Data -> Remove duplicates Then you can select the columns after which you want to dissolve or collapse the list Remove Excel list by duplicates Ungefilterte List:
Excel Instructions: Remove Duplicate Rows, Remove Duplicates
Resolved: Mailenable does not send e-mails. Message delivery has been delayed. 21.04.2020   196 Error 1 Fail DNS Test Message delivery has been delayed Could not resolve DNS 10054 No Outbound Mail Solution: The DNS records must be entered in the SMTP Properties and not the IP address (Domain Naming Server des Web Hos
Resolved: Mailenable does not send e-mails. Message delivery has been delayed.
Neu (21.04.2020 08:40:5Gmail: how to delete all promotional emails and emails from social networks0) 21.04.2020   129 Those who use their Gmailaccount will often be annoyed by the many entries on social networks and in advertising Delete bulk emails in GMail You can delete page by page or a list by clicking on the click box in the folder: Advertising or Social Networks Then the entire page of emails is automatically marked and then deleted 50 emails are always deleted
Neu (21.04.2020 08:40:5Gmail: how to delete all promotional emails and emails from social networks0)
Xamarin: Debugging a real smartphone on the USB cable 19.04.2020   143 How to connect a real smartphone to Xamarin and develop Android apps directly on this smartphone via USB? First, you connect a real test smartphone to the computer on the USB port Under Visual Studio ->(in einer Xamarin App)->Menü->Tools-> Android SDKs and Tools Here under the tab: Tools->Extras-> Google USB Driver ->Activate Then, in Windows 10, you can open the device manager and find the smar
Xamarin: Debugging a real smartphone on the USB cable

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