CO2 Meter TFT Colour Display with TTGO T-Display Sensirion SCD30 - The CO2 Gadget
CO2 meter with colour display and Bluetooth connection. Take it with you everywhere and measure the air quality discreetly and at any time.
Projects with Arduino
In this section you can find articles related to Arduino, ESP8266, NodeMCU, etc.
Sensirion SCD30 dual-channel NDIR CO2 Sensor
One of the best options. In some cases it is even the only recommended option.
CO2 meter on your mobile phone with ESP32 and Sensirion SCD30 sensor [BASIC VERSION] [BASIC VERSION].
CO2 meter with App for Android and iOS, via Bluetooth, official from the sensor manufacturer Sensirion
Sensirion SCD41 and SCD40 CO2 Sensors
This CO2, temperature and humidity sensor is much more than just a pretty face on a slim body...
Design of an ultra-low consumption CO2 meter
Ultra low power consumption meter with NDIR sensor and e-Ink display. Its design.
Experiments with ESPEasy (ESP8266) and low power - v3.0
Getting a low power consumption of our ESP8266 to use it on battery is the goal we want to achieve, and in this article we are going to continue the experiments.
Experiments with ESPEasy (ESP8266) and low power - v2.0
Getting a low power consumption of our ESP8266 to use it on battery is the goal we want to achieve, and in this article we are going to continue the experiments.
ESPEasy and deep sleep mode (ESP8266 low power consumption)
Learn how to reduce consumption by mastering ESPEasy's deep sleep mode.
Experiments with ESPEasy (ESP8266) and low power - v1.0
Do you want to reduce the power consumption of your project with ESPEasy and an ESP8266 easily so that you can run it on batteries for months? Read on. In this series of articles, of which this is the first one, I will be telling you about the progress I am making and how you can also make them and apply them in your project.... Read more
Using a ModeMCU as a voltmeter
Measuring volts with an ESP8266 Don't have a multimeter? No problem! Did you know that you can use your NodeMCU (or any ESP8266) as if it were a voltmeter? Sometimes a voltmeter is almost essential to be able to solve any problem that may arise when working with microcontrollers, or with any electronic circuit in general. In this article we are going to ... Read more