Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

The Arduino UNO R4 will detect fire or smoke using the specific sensors and trigger the SMS alert to the authorized person’s mobile number. It is a simple, low-cost way to improve safety in your house ...

Measures temperature and humidity using a GXHT30 and displays this information on an SSD1306 OLED display. Offers a HTTP endpoint to read values as JSON, also outputs values on serial. MQTT gateway ...