SCD4x CO₂ sensors
I introduce the SCD4x CO₂ sensor modules and show you how to control them using the Sensirion library. I also check their reliability in comparison with a commercial measuring device.
Read MoreCategory: Sensors
Creating Libraries and Classes – Part II
In the second part of the post about libraries and classes, I use the MPU6050 to show how you write Arduino libraries for sensors or other devices to be controlled and what typical issues arise.
Read More
ADS1220 – Part 2: Applications
About this post In the last post, I introduced the ADS1220 24-bit, 4-channel A/D converter and my associated library. In this sequel, I will show you how to…
Read More
4-channel, 24-bit ADC ADS1220
I introduce the ADS1220 4-channel, 24-bit A/D converter and my associated library using several example sketches.
Read More
WiFi BBQ thermometer
I will show you how to build a WiFi BBQ thermometer with a temperature sensor, an ESP32 board and a few other components.
Read More
Wireless BBQ thermometer (433 MHz)
I will show you how to build a wireless 433 MHz BBQ thermometer with alert function and graphical display of the temperature curve.
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
ICM-20948 9-Axis Sensor Part II
This is the second part of my article about the 9-axis sensor ICM-20948. I continue with the presentation of my associated library.
Read More
ICM-20948 9-Axis Sensor Part I
I present the ICM-20948 9-axis sensor and my associated library. The ICM-20948 is the successor to the MPU-9250. This is Part 1.
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