List of projects underway:
Permanent link to this article: https://w4krl.com/projects/
An ESP8266 IoT Datalogger The ESP8266 chip provides an easy and inexpensive path to the Internet of Things (IoT). My first IoT project is a work in progress, but you can see some early results now. My objective is to monitor the temperature and humidity in my attic to see how effective the roof ventilator …
The Northern Virginia Section of the Institute of Electrical and Electronic Engineers (IEEE) conducts Hands-On Technical Workshops to build an Internet of Things Weather Station. The course is held as a one-day session and the attendees get to keep the weather station including the solderless breadboard, WiFi-enabled microcontroller unit, power supply, and sensors. In each …
We feed our cat, Penny, four times a day. Her appetite runs like a clock. She starts demanding lunch at 12:00 and dinner at 6:00pm, practically to the minute. This project displays the time she is fed each meal so that she is not fed twice for the same meal or we accidentally miss a …
This is live data from a solar-powered weather station in Centreville, Virginia. The data is also reported at: https://thingspeak.com/channels/286120 and https://aprs.fi/W4KRL-15 The data updates every ten minutes.