| Smart water meters have already been on the market for some time, but replacing our old meters is often not so easy, for technical or bureau...
All items tagged with Espressif and MQTT (13)
| RS-232 goes wireless! A modern and low-cost ESP32 module will give wings to a serial interface. In addition to its serial link communication...
| Go wireless with RS-232! With an Espressif ESP32 module, you can give wings to a serial interface. In addition to its serial link communicat...
| Often the easiest way to get acquainted with new technology such as IoT hardware and software is to apply it in a practical way to build som...
| The M5Stack base module contains an ESP32 board along with a 320 x 240 pixels graphics-capable colour display all packaged in a cute case. I...
| More than 30 years after the accident that destroyed the nuclear powerplant in Chernobyl (Ukraine), the radiation it created still has measu...
| The ESP32 is a very powerful controller, equally at home in entry-level and professional projects. Dogan Ibrahim takes this into account in...
| You can use simple LED indicators to show the status of an application you are developing using an IoT board but you can convey so much more...
| Many of the IoT solutions you see at trade shows like Embedded World use Amazon Web Services (AWS). This platform is very powerful, robust a...
| In previous parts of this series we saw how to use a web page on a local network to configure an IoT device. In this part, we use a web pag...