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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 384
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

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 541
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 459
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 483
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,

Solved: LCD shows strange signs on ESP32 Others/Hardware/Arduino-ESP32/Arduino-Code
Solved: LCD shows strange signs on ESP32
18.04.2020 313
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 335
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

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