| 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 Test & Measurement and MQTT (3)
| 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...