Fernando Koyanagi

Fernando Koyanagi

Brasil   Joined February 5th, 2018
143 Instructables   3,419,864 Views   8 Comments   567 Followers

Do you like technology? Follow my channel on Youtube and my Blog. In them I put videos every week of microcontrollers, arduinos, networks, among other subjects.

Instructables

How to Repair Burned Arduino or ESP32

How to Repair Burned Arduino or ESP32

5.4K Views, 3 Favorites
Everyone Wants Automation With a Big Display!

Everyone Wants Automation With a Big Display!

856 Views, 2 Favorites
Professionals Know This!

Professionals Know This!

1.7K Views, 2 Favorites
Facial Recognition in Practice

Facial Recognition in Practice

1.1K Views, 3 Favorites
Installing ESP32 LoRa on the Arduino IDE

Installing ESP32 LoRa on the Arduino IDE

4.1K Views, 3 Favorites
Faster ESP32

Faster ESP32

24K Views, 3 Favorites
Electric Turbine With ESP32

Electric Turbine With ESP32

6.9K Views, 6 Favorites
XY Drawing Robot

XY Drawing Robot

5.1K Views, 20 Favorites
What If Your Link Crashes?

What If Your Link Crashes?

866 Views, 1 Favorites
Why Is It Important to Understand Socket? Part 1

Why Is It Important to Understand Socket? Part 1

722 Views, 3 Favorites
Automation With SIM800L ESP32 M5Stack

Automation With SIM800L ESP32 M5Stack

8.8K Views, 7 Favorites
Super Servo Motor With WiFi

Super Servo Motor With WiFi

1.2K Views, 2 Favorites
Automation With AppFernandoK and ESP32

Automation With AppFernandoK and ESP32

1.2K Views, 2 Favorites
Powerful 12V Motor With Inductive Encoder and ESP32

Powerful 12V Motor With Inductive Encoder and ESP32

3.1K Views, 3 Favorites
Don’t Waste Your Time: Use NTP!

Don’t Waste Your Time: Use NTP!

4.5K Views, 6 Favorites
ESP32 LoRa Controlled Drone Engine

ESP32 LoRa Controlled Drone Engine

15K Views, 9 Favorites
IOT With Cellular Network With ESP32

IOT With Cellular Network With ESP32

39K Views, 18 Favorites
ESP32: SIM800L and Barrier Sensor

ESP32: SIM800L and Barrier Sensor

41K Views, 11 Favorites
Super Driver From 1 to 200 Amperes for DC Motor

Super Driver From 1 to 200 Amperes for DC Motor

3.3K Views, 2 Favorites
Great News: Files Can Be Saved Inside ESP32!

Great News: Files Can Be Saved Inside ESP32!

1.5K Views, 3 Favorites
220V Motor With ESP32 and WEG Contactor

220V Motor With ESP32 and WEG Contactor

4.1K Views, 0 Favorites
DC Motor Speed Control With ESP32

DC Motor Speed Control With ESP32

9.7K Views, 4 Favorites
WiFi Volume Control

WiFi Volume Control

7.0K Views, 7 Favorites
How to Burn MicroSD Files With ESP32

How to Burn MicroSD Files With ESP32

7.2K Views, 5 Favorites
Arduino IDE With Dual Core: Remote Control

Arduino IDE With Dual Core: Remote Control

515 Views, 0 Favorites
Value Your Project: Use Graphic Display!

Value Your Project: Use Graphic Display!

24K Views, 3 Favorites
Learn Here About an Extremely Important Sensor!

Learn Here About an Extremely Important Sensor!

4.3K Views, 2 Favorites
Digital Scale With ESP32

Digital Scale With ESP32

13K Views, 9 Favorites
Automation With Telegram and ESP32

Automation With Telegram and ESP32

23K Views, 19 Favorites
Introduction to the MQTT Protocol With Ubidots - ESP32

Introduction to the MQTT Protocol With Ubidots - ESP32

9.8K Views, 5 Favorites
Multiple ITags With ESP32

Multiple ITags With ESP32

7.3K Views, 4 Favorites
Presence Sensor With ITag Bluetooth BLE

Presence Sensor With ITag Bluetooth BLE

8.6K Views, 7 Favorites
ESP32 With External Long Distance Antenna

ESP32 With External Long Distance Antenna

24K Views, 6 Favorites
Introduction ESP32 Lora OLED Display

Introduction ESP32 Lora OLED Display

18K Views, 8 Favorites
Introduction to ESP32 WiFi LoRa

Introduction to ESP32 WiFi LoRa

42K Views, 13 Favorites
Data Center Monitoring by IOT ESP32

Data Center Monitoring by IOT ESP32

23K Views, 7 Favorites
Vehicle Tracking With ESP32 GPS SIM808 - No Monthly Fee

Vehicle Tracking With ESP32 GPS SIM808 - No Monthly Fee

31K Views, 15 Favorites
Introduction to ESP32 Programming

Introduction to ESP32 Programming

35K Views, 5 Favorites
WebServer: Arduino UNO With WiFi ESP01

WebServer: Arduino UNO With WiFi ESP01

21K Views, 13 Favorites
Approach Sensor With ESP32

Approach Sensor With ESP32

5.8K Views, 7 Favorites
Automation With the Giant STM32F746G and ESP32

Automation With the Giant STM32F746G and ESP32

5.0K Views, 2 Favorites
PANTILT Camera With ESP32

PANTILT Camera With ESP32

10K Views, 19 Favorites
The Remarkable WiFi Switch With ESP8266

The Remarkable WiFi Switch With ESP8266

4.1K Views, 4 Favorites
Do You Know About ESP32 ADC Adjustment?

Do You Know About ESP32 ADC Adjustment?

31K Views, 6 Favorites
Low Cost Automation ESP32 and 16 Relays

Low Cost Automation ESP32 and 16 Relays

33K Views, 20 Favorites
The Incredible ESP32 Wrover From Espressif

The Incredible ESP32 Wrover From Espressif

47K Views, 5 Favorites
Super Low Cost Source

Super Low Cost Source

23K Views, 67 Favorites
Installing ESP32 on Arduino IDE: the Easy Method

Installing ESP32 on Arduino IDE: the Easy Method

24K Views, 5 Favorites
RPM Meter With STM32

RPM Meter With STM32

11K Views, 3 Favorites
Measuring True-RMS AC Voltage

Measuring True-RMS AC Voltage

23K Views, 6 Favorites
Arduino Mega + WiFi = Automation

Arduino Mega + WiFi = Automation

17K Views, 4 Favorites
Hidden Hall Sensor in ESP32

Hidden Hall Sensor in ESP32

14K Views, 14 Favorites
Small But Powerful: STM32

Small But Powerful: STM32

9.6K Views, 3 Favorites
ESP32 Bluetooth Low Energy

ESP32 Bluetooth Low Energy

41K Views, 26 Favorites
ATTINY - the World's Smallest Arduino

ATTINY - the World's Smallest Arduino

5.7K Views, 12 Favorites
ESP32: Do You Know What DAC Is?

ESP32: Do You Know What DAC Is?

10K Views, 5 Favorites
CAN Protocol - Yes, We Can!

CAN Protocol - Yes, We Can!

17K Views, 16 Favorites
The Incredible STM32 L4!

The Incredible STM32 L4!

16K Views, 6 Favorites
Efficient and Cheap: Display With STM32L4

Efficient and Cheap: Display With STM32L4

6.4K Views, 1 Favorites
Automatic Humidifier Control Using ESP328266

Automatic Humidifier Control Using ESP328266

5.6K Views, 5 Favorites
Saving Battery Life With Deep Sleep

Saving Battery Life With Deep Sleep

4.5K Views, 2 Favorites
Open Your Eyes! Logical Analyzer

Open Your Eyes! Logical Analyzer

2.4K Views, 2 Favorites
Automation With ESP8266 and Solid State Relay

Automation With ESP8266 and Solid State Relay

20K Views, 12 Favorites
Catch! and Now?

Catch! and Now?

2.7K Views, 0 Favorites
It Turned Black! VS Code

It Turned Black! VS Code

2.2K Views, 4 Favorites
All Professionals Know About This Subject: Interrupt ISR

All Professionals Know About This Subject: Interrupt ISR

3.4K Views, 3 Favorites
You Have to Know This: GATEWAY!

You Have to Know This: GATEWAY!

2.4K Views, 7 Favorites
Low Cost Automation With ESP01

Low Cost Automation With ESP01

1.9K Views, 6 Favorites
The Super Long Distance WiFi of the ESP32 LoRa With Arduino IDE

The Super Long Distance WiFi of the ESP32 LoRa With Arduino IDE

10K Views, 14 Favorites
Incredibly Easy to Program!

Incredibly Easy to Program!

1.8K Views, 1 Favorites
The Easiest Way to Program a Microcontroller!

The Easiest Way to Program a Microcontroller!

1.9K Views, 3 Favorites
ESP32 and Radio Lora 10x More Powerful!

ESP32 and Radio Lora 10x More Powerful!

5.1K Views, 10 Favorites
IOT and Endpoint Electronics

IOT and Endpoint Electronics

1.6K Views, 10 Favorites
The Greatest Arduino UNO in the World

The Greatest Arduino UNO in the World

13K Views, 26 Favorites
STM32: Cheap and Powerful

STM32: Cheap and Powerful

6.0K Views, 12 Favorites
Display Nextion With Arduino Uno

Display Nextion With Arduino Uno

59K Views, 22 Favorites
Arduino With Touch Screen Display

Arduino With Touch Screen Display

14K Views, 22 Favorites
Radio LoRa Ra-01 With STM32 and ESP32

Radio LoRa Ra-01 With STM32 and ESP32

23K Views, 10 Favorites
Laser Plotter: Installing the Laser

Laser Plotter: Installing the Laser

3.8K Views, 12 Favorites
IO Expander for ESP32, ESP8266, and Arduino

IO Expander for ESP32, ESP8266, and Arduino

81K Views, 39 Favorites
IBM Watson With ESP32 As Endpoint

IBM Watson With ESP32 As Endpoint

3.5K Views, 5 Favorites
NodeMCU ESP8266: Details and Pinout

NodeMCU ESP8266: Details and Pinout

318K Views, 61 Favorites
ESP32: M5Stack With DHT22

ESP32: M5Stack With DHT22

11K Views, 10 Favorites
Laser Plotter: Sending the Drawing in GCODE

Laser Plotter: Sending the Drawing in GCODE

5.6K Views, 19 Favorites
ESP-NOW: WiFi With 3x More Range

ESP-NOW: WiFi With 3x More Range

46K Views, 28 Favorites
How to Configure CNC With Raspberry Pi

How to Configure CNC With Raspberry Pi

53K Views, 42 Favorites
ESP32 LoRa: You Can Reach Up to 6.5 Km!

ESP32 LoRa: You Can Reach Up to 6.5 Km!

18K Views, 28 Favorites
Plotter and Laser With Raspberry Pi CNC Hat

Plotter and Laser With Raspberry Pi CNC Hat

13K Views, 30 Favorites
ESP32 LoRa With Arduino IDE: Send and Receive TX RX

ESP32 LoRa With Arduino IDE: Send and Receive TX RX

28K Views, 20 Favorites
ESP32 With Arduino IDE - Multi-Core Programming

ESP32 With Arduino IDE - Multi-Core Programming

50K Views, 21 Favorites
ESP32 LORA - Alarm With IR Barrier

ESP32 LORA - Alarm With IR Barrier

5.0K Views, 12 Favorites
ESP8266 Using PWM With Potentiometer

ESP8266 Using PWM With Potentiometer

18K Views, 6 Favorites
ESP8266: How to Monitor Temperature and Humidity

ESP8266: How to Monitor Temperature and Humidity

5.8K Views, 4 Favorites
Recording on ESP01

Recording on ESP01

2.4K Views, 6 Favorites
ESP8266 Digital Thermometer With LCD Display

ESP8266 Digital Thermometer With LCD Display

2.9K Views, 9 Favorites
Temperature and Humidity Chart With OLED Display

Temperature and Humidity Chart With OLED Display

11K Views, 19 Favorites
Encapsulating the Step Servo Motor With Serial Control Via Arduino Using a 3D Printer - Pt4

Encapsulating the Step Servo Motor With Serial Control Via Arduino Using a 3D Printer - Pt4

1.3K Views, 6 Favorites
Extending the Control Power of the "Stepper Servo Motor" + Arduino - Pt3

Extending the Control Power of the "Stepper Servo Motor" + Arduino - Pt3

1.0K Views, 6 Favorites
Super "Stepper Servo Motor" With Arduino - Pt2

Super "Stepper Servo Motor" With Arduino - Pt2

4.2K Views, 4 Favorites
Stepper Motor: Starting at Low Cost - Pt1

Stepper Motor: Starting at Low Cost - Pt1

1.5K Views, 6 Favorites
ESP32 LORA: Gas Sensor, Humidity, and Temperature by SMS – Part 2

ESP32 LORA: Gas Sensor, Humidity, and Temperature by SMS – Part 2

4.0K Views, 14 Favorites
ESP32 LORA: Gas Sensor, Humidity, and Temperature by SMS

ESP32 LORA: Gas Sensor, Humidity, and Temperature by SMS

15K Views, 17 Favorites
Controlling Up to 68 Points With Arduino Mega and ESP8266

Controlling Up to 68 Points With Arduino Mega and ESP8266

3.1K Views, 9 Favorites
Arduino MEGA 2560 With WiFi Built-in - ESP8266

Arduino MEGA 2560 With WiFi Built-in - ESP8266

229K Views, 80 Favorites
Presence Sensor With NodeMCU ESP8266

Presence Sensor With NodeMCU ESP8266

4.2K Views, 7 Favorites
ESP32 With Display Oled - Progress Bar

ESP32 With Display Oled - Progress Bar

9.0K Views, 15 Favorites
ESP8266 - Led Blink With Button

ESP8266 - Led Blink With Button

6.6K Views, 1 Favorites
Dashboard Keyboard With LCD Display and Arduino Uno

Dashboard Keyboard With LCD Display and Arduino Uno

3.9K Views, 2 Favorites
SD Card Module With ESP8266

SD Card Module With ESP8266

101K Views, 28 Favorites
ESP32 With Ultrasonic Sensor

ESP32 With Ultrasonic Sensor

36K Views, 10 Favorites
MP3 Player With Arduino

MP3 Player With Arduino

70K Views, 48 Favorites
IDE Arduino With Dark Theme

IDE Arduino With Dark Theme

12K Views, 12 Favorites
Infrared Sensor With ESP8266

Infrared Sensor With ESP8266

14K Views, 6 Favorites
ESP32 With ESP-Now Protocol

ESP32 With ESP-Now Protocol

111K Views, 86 Favorites
ESP8266 Automation With Web Interface and DDNS

ESP8266 Automation With Web Interface and DDNS

16K Views, 8 Favorites
Arduino and ESP8266 With I2c LCD Display

Arduino and ESP8266 With I2c LCD Display

9.6K Views, 4 Favorites
Stepper Motor With Arduino and Driver A4988

Stepper Motor With Arduino and Driver A4988

28K Views, 8 Favorites
HD Engine With Arduino

HD Engine With Arduino

6.1K Views, 9 Favorites
ESP32 Long Distance - LoRaWan

ESP32 Long Distance - LoRaWan

71K Views, 52 Favorites
Nema Stepper Motor 23 With Tb6600 Driver With Arduino Due

Nema Stepper Motor 23 With Tb6600 Driver With Arduino Due

97K Views, 27 Favorites
16 Relay Module With Raspberry Pi 3 Using Socket

16 Relay Module With Raspberry Pi 3 Using Socket

6.0K Views, 10 Favorites
4, 5, 6, and 8-wire Stepper Motors

4, 5, 6, and 8-wire Stepper Motors

62K Views, 24 Favorites
3D Printing: ROBOTIC CLAW WITH ARDUINO

3D Printing: ROBOTIC CLAW WITH ARDUINO

3.0K Views, 8 Favorites
WHAT ENGINE IS THAT? - Step Motor Laboratory

WHAT ENGINE IS THAT? - Step Motor Laboratory

3.3K Views, 9 Favorites
Arduino Uno With Spindle and Pitch Motor

Arduino Uno With Spindle and Pitch Motor

4.2K Views, 10 Favorites
SpeedTest: Arduinos - ESP32 / 8266s - STM32

SpeedTest: Arduinos - ESP32 / 8266s - STM32

29K Views, 8 Favorites
ESP8266 and ESP32 With WiFiManager

ESP8266 and ESP32 With WiFiManager

114K Views, 33 Favorites
ESP32 With RFID: Access Control

ESP32 With RFID: Access Control

128K Views, 47 Favorites
Arduino: Precision Lib for Stepper Motor

Arduino: Precision Lib for Stepper Motor

4.1K Views, 3 Favorites
ESP8266-201: Measuring WiFi Signal Using Socket

ESP8266-201: Measuring WiFi Signal Using Socket

4.3K Views, 0 Favorites
ESP32 With Capacitive Touch Button

ESP32 With Capacitive Touch Button

35K Views, 11 Favorites
Step Motor With Acceleration and End of Stroke

Step Motor With Acceleration and End of Stroke

14K Views, 9 Favorites
ESP32 / 8266 WiFi Signal Strength

ESP32 / 8266 WiFi Signal Strength

53K Views, 13 Favorites
ESP32: Cellular Voice Recognition

ESP32: Cellular Voice Recognition

13K Views, 11 Favorites
ESP32 and ESP8266: Programming in the Air

ESP32 and ESP8266: Programming in the Air

14K Views, 20 Favorites
ESP32 With Battery Holder

ESP32 With Battery Holder

11K Views, 9 Favorites
ESP32: How to Install in the Arduino IDE

ESP32: How to Install in the Arduino IDE

6.4K Views, 3 Favorites
ESP32: Internal Details and Pinout

ESP32: Internal Details and Pinout

241K Views, 52 Favorites
Automation With ESP8266 Using Relays

Automation With ESP8266 Using Relays

4.0K Views, 7 Favorites
ESP32 LoRa Changing Frequency

ESP32 LoRa Changing Frequency

35K Views, 55 Favorites
Introduction to ESP32

Introduction to ESP32

20K Views, 24 Favorites
Introduction to ESP8266

Introduction to ESP8266

4.1K Views, 3 Favorites
ESP32: Remote Control With Sockets

ESP32: Remote Control With Sockets

31K Views, 21 Favorites