ESP8266 - Juan Tech Blog

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Try out to Power the ESP-01S(ESP8266) with Rechargeable NiMH batteries and HT7833 voltage regulator.

I plan to build a contact and motion sensor for my bathroom. My bathroom doesn't have wall sockets. My contact and motion sensor should...

Juan 26 Jul, 2023

Arduino , Arduino Project , DIY

Arduino + ESP8266 + RC522 RFID Module to save RM 100 replacement fee for my RFID access card.

ESP8266 connects with RC522 RFID module. My RFID card just not working anymore. We passed the access card to the management and let them fi...

Juan 24 May, 2023

28BYJ-48 , Arduino , Arduino Project

Try out 28BYJ-48 Stepper Motor with ULN2003 Driver Board Using Arduino and AccelStepper.

Try out 28BYJ-48 Stepper Motor with ULN2003 Driver Board Using Arduino and ...

Juan 17 Sep, 2022

Arduino , Arduino Project , ESP8266

MC-38 Magnetic Contact Switch Sensor: Here is How to Use It with ESP8266 and Arduino.

ESP8266 and MC-38 Magnetic Contact Switch Sensor How to use MC-38 m...

Juan 10 Jun, 2022

Arduino , Arduino Project , ESP-01S

DIY a YouTube Subscriber Counter with ESP-01S (ESP8266), SSD1306 0.96 inch 128x64 I2C OLED Display, and Arduino IDE.

YouTube Subscriber Counter I have a Mandarin-speaking ...

Juan 26 Apr, 2022

Arduino , Arduino IDE , Arduino Tutorial

Debug Arduino Sketch with WebSerial for ESP8266 and ESP32: Web-based Serial Monitor

Debug Arduino Sketch with WebSerial for ESP8266 and ESP32: Web-based Serial Monitor What is WebSerial? I use the Serial.print() a ...

Juan 14 Mar, 2022

apple homekit , Arduino , Arduino Project

Integrate MQTT Temperature and Humidity Sensor with Arduino to Home Assistant and Apple HomeKit.

My last article made an MQTT Temperature and Humidity Sensor that can communicate with other MQTT clients. This time I will ma...

Juan 5 Mar, 2022

Arduino , Arduino Project , DHT22

DIY an MQTT Temperature and Humidity Sensor with Arduino, ESP-01S(ESP8266) and DHT22.

ESP-01S and DHT22 Last year, I made a temperature and humidity sensor that can integrate with Apple HomeKit . I find a way to f...

Juan 22 Feb, 2022

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