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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 551
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

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 557
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 417
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 444
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 557
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 613
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

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