I built a custom system with a NodeMCU, a microphone sensor and a vma320 that sends me a text message to my phone whenever the alarm is going off. Pretty handy when I’m away. It’s pretty ...

Taste The Code. Oximeter Monitor with OLED screen and MAX30105 sensor on NodeMCU. Posted: May 6, 2025 | Last updated: May 6, 2025. Hi, I'm Bill. I'm a software developer with a passion for making ...

The Espressif ESP8266 chipset makes three-dollar ‘Internet of Things’ development boards an economic reality. According to the popular automatic firmware-building site nodeMCU-builds, in the ...