I recently finished the prototype for a battery powered ESP8266 based temperature and humidity sensor with eInk display. Currently working on a custom PCB. : r/arduino
Build an Arduino Multi-Node BLE Humidity and Temperature Sensor Monitor - Projects
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Single CR2032 / 20mm Coin Cell Battery Holder with Switch : ID 4856 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Measure temperature and air humidity with the Arduino Uno | reichelt.co.uk
DIY: WiFi Moisture Sensor AAA battery
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Wireless Temperature and Humidity Sensor
Create an Arduino Controlled Battery Charger - Projects
LOG Wireless Temperature Monitoring : 7 Steps - Instructables
DIY Infrared Thermometer using Arduino and MLX90614 IR Temperature Sensor
Build an Arduino Multi-Node BLE Humidity and Temperature Sensor Monitor - Projects
Temp. And Humidity Sensor With A CR2032 For Over 1 Year! - Arduino Project Hub
Low-Power IoT: Top 3 Ways to Improve the Battery Life of your Internet of Things Devices
Using A TMP36 Temperature Sensor With Arduino - BC Robotics
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Remote temperature and humidity sensor with long battery life - Arduino Stack Exchange
20mm Coin Cell Breakout Board (CR2032) : ID 1870 : $2.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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Temperature Sensor types & their use with Arduino, ESP8266, and ESP32
Low-Power IoT: Top 3 Ways to Improve the Battery Life of your Internet of Things Devices
