Skip to content

Tropical Engineer

DIY Engineering with Microcontrollers

  • Home
  • Microcontrollers
    • Arduino Nano
      RF-Nano
      FeatherS2 Neo
      Raspberry Pi Pico
      Seeeduino Xiao
      Nerdonic Exen Mini
      TinyPICO V2
      uChip
      ATMegaZero ESP32-S2
      Challenger NB RP2040 WIFI
      ATtiny85
      Attiny84a
      Atmega1284p
  • 3D Printing
    • Kingroon KP3S 3D Printer
      Free Blender Addons
      Paid Blender Addons
  • DIY Projects
  • Electronics Bag

Wemos Lolin D1 Mini Pro V2 Projects

Connect to WiFi with Wemos Lolin D1 Mini Pro V2

Connect to WiFi with Wemos Lolin D1 Mini Pro V2

Show WiFi Connection Status with a Common Cathode LED(Red, Green)

Show WiFi Connection Status with a Common Cathode LED (Red, Green)

Password Protected Login ESP8266 Web Server

Password Protected Login ESP8266 Web Server Tutorial

QR Code displayed on 1.54 TFT LCD Display with ESP8266

QR Code displayed on a 1.54″ TFT LCD Display with ESP8266

ESP8266 serial communication with Arduino Nano

ESP8266 sends data via Serial TX/RX to an Arduino Nano to control an LED

Ping a Web Server with an ESP8266

Ping a Web Server with an ESP8266

Connecting to a Waves Node with an ESP8266

Connecting to a Waves Node with an ESP8266

Detect a Waves Balance Update with an ESP8266 to turn on LED

Detect a Waves Balance Update with an ESP8266 to turn on an LED

HTTPS Get Request for Nano Price from Coingecko with ESP8266

HTTPS Get Request for Nano Price from Coingecko with ESP8266

Remove Characters from a String in Arduino

How to Remove Characters from a String in Arduino with .remove

Return the length of a String in Arduino

Return the length of a String with .length in Arduino

Timon Walter

Mechatronics
Engineer

This site was created to help people learn electronics and program IoT devices in the easiest way possible with the Arduino IDE.

Mutimeter and Oscilloscope

Getting Arduino Code Errors?

Like stray  '\342' in program.
Just copy & paste the code in the: Diacritics Remover (remove/replace non ASCII characters)

KP3S 3D Printer

Important Notes & Terms

- Chip Select (CS) = Slave Select (SS)

- MOSI = SDI (Serial Data In)

- MISO = SDO (Serial Data Out)

TS100 Soldering Iron

Contact Me

Copyright © 2022 TROPICAL ENGINEER

Privacy Policy & Terms

© 2022 Tropical Engineer • Built with GeneratePress