Guide to Low-CO2 Gadgets: Deep Sleep and Battery Life
Gadget’s Low-CO₂ Guide. Get up to 3 months’ battery life from your high-quality CO₂ monitor: HIGH_PERFORMANCE and LOW_POWER modes, configurable deep sleep, battery management and wake-on-alert.
Low consumption
Real Solar Panel Power: Are AliExpress Sellers Misleading Us?
Have you bought a 1W or 2W mini solar panel and it doesn't perform as expected? Find out why lab specifications do not guarantee real performance.
Low-Power Solar Panels: MPPT is the Secret to Running Your ESP32 on Just 1W
We’ve seen lots of brilliant DIY projects using solar panels, but the reality is that energy efficiency is a real challenge. If you’ve tried to power an ESP32 or a Raspberry Pi with a small solar panel and failed, you’re not alone. This post complements our project on Enerlogic — Energy Wizard and … Read more
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...
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.