| Connecting devices to the Internet, that is what IoT is all about. To do so you need some sort of interface and that is where the GoNotify p...
| Connecting devices to the Internet, that is what IoT is all about. To do so you need some sort of interface and that is where the GoNotify p...
| In the second part of this home automation series, the designer dives into the software that makes everything tick. Various end nodes (senso...
| In the last installment of this series, we developed a small sensor node based on the Pretzel board (equipped with an ATmega and ESP8266 WiF...
| MQTT (Message Queue Telemetry Transport) is a publish-subscribe-based (one-to-one or one-to-many) messaging protocol oriented to communicati...
| Sometimes you want to have specific functions in a home automation system that are not available with any commercial product. That’s why the...
| In the last episode i built a small sensor board. The ATmega on the Pretzel board periodically takes a reading from a phototransistor and co...
| In the last installment of this series I ported my mini-library for publishing MQTT messages to the Pretzel board which has an ATmega328 and...
| In previous episodes I’ve spent most of my time writing PC software, it’s time now to turn our attention to some firmware. Our ultimate aim...
| In the last installment of this series I started with the Pretzel-Board which has an ATmega328 and a WiFi LAN ESP8266 chip on board. The pre...
| Regular readers of this sequel will already know that for my first attempts to remotely control a desk lamp I used a PC as a relay station c...