CO2 Gadget Low Power CO2 monitor with Lilygo TTGO T5 ePaper and Sensirion SCD41 Sensor
A low-power CO2 meter with a 90-day autonomy on a single charge? Not bad, not bad at all...
Low consumption
Gateway ESPNOW to MQTT over WiFi
A Gateway that allows you to receive signals sent with ESPNOW and forward them as MQTT messages.
Radio communication for ESP8266 and ESP32 with ESPNOW
ESP-NOW is a "new" radio communications protocol supported by the ESP8266 and ESP32, developed by Espressif, its manufacturer, which allows very fast data transmissions (and when I say very fast, I mean very fast). Its main objective is to replace Wifi to allow much lower power consumption and thus greater autonomy ... Read more
Winsen Low Power NDIR CO2 Sensor MH-Z1311A
A highly compatible NDIR CO2 sensor with a power consumption of less than 1mAh.
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
Measuring gas consumption with Arduino
Those who are regulars of the blog, already know that I like to measure everything, and gas could not be less. I have been measuring gas consumption for years with Arduino, but the important thing is not that, the important thing is that this Arduino has been sending data wirelessly for almost six years with only two AA batteries, and ... Read more