[Shane] bought a multimeter with the idea of using its serial output as a source for data logging. A multimeter with a serial port is a blessing, but it’s still RS-232 with bipolar voltage levels.

The 189 data-logging multimeter unites with the company's View Forms 3.0 software package and premium accessories with the goal of providing significant time and cost savings to users. About the meter ...

[G6EJD] wanted to design a low power datalogger and decided to look at the power consumption of an ESP32 versus an ESP8266. You can see the video results below. Of course, anytime someone does a power ...