SIM800L module

With the SIM800L, you can add mobile phone functions to your projects, e.g. make calls or send measured values via SMS and much more.

Read More

Strain gauges

With strain gauges you can measure the strain and bending of components. I’ll show you how to use them with the HX711 or op amps.

Read More

TVOC and eCO2 Sensors

Using the CCS811 and SGP30 as examples, I explain how metal oxide-based TVOC and eCO2 sensors work, how to drive them with libraries, and how reliable they are compared to NDIR CO2 sensors.

Read More