DHT11 Module Temperature and Humidity Sensor

The SparkFun weather meter kit is a set of basic mechanical components for building a weather station. This kit represents the three basic elements of weather measurement: wind speed, wind direction and precipitation. Whether you are a farmer, a professional meteorologist or a weather enthusiast, building your own weather station can be a truly rewarding project. However, when it comes to measuring the weather, you need some pretty specialised sensors.

The solar power management module is designed for 6V~24V solar panel. It can charge Li 3.7V battery through solar panel or USB connection, and provides 5V/1A regulated output.

The local Zigbee gateway for your Tuya Zigbee devices provides high-speed local Ethernet + Zigbee Mesh connectivity, increased automation possibilities, local memory for parameters and devices.

The module has two outputs: analog A0 and digital D0
Digital output D0 - signal 0 appears or 1 depending on the threshold setting
The threshold is set with the potentiometer
The sensor can be used for example:
Automatic watering for potted plants
With this module you will be able to measure the humidity of the soil, so that you will be able to control the humidity level of the soil of your plants
Characteristic:
Operation: 3.3V -5V
- Sensitivity adjustable by potentiometer
- Dual output mode: analog and digital
- Red LED - power indicator
- Green LED - indicator digital switching output
- PCB measurements: 3 x 1.5 cm
- Probe measurements: 6 x 3 cm

The solar power management module with the CN3065 chip is ideal for IoT (Internet of Things) projects with renewable energy. Compared to the previous version of the module, improvements have been made to the energy management of the connected battery.

The DHT22 humidity sensor is presented in a plastic body ideal for mounting on a panel or similar. It uses a capacitive sensor that returns a digital signal with the measurement.
This sensor, unlike DHT11, is capable of measuring negative temperature values ​​and measures tenths of a degree. DHT22/AM2302 Temperature Humidity Sensor features:
- Voltage Operating: 3 to 5.5 VDC
- Humidity measurement range: 0-100% ± 2% accuracy
- Temperature measurement range: -40ºC to 80ºC ± 0.5º accuracy - Maximum sampling rate: 2 seconds

SONOFF SNZB-02 is an elegant mini wireless intelligent temperature and humidity sensor via ZigBee, through its Bridge(required). Program and create scenes based on the detected values. Maintain a stable temperature in your home.

ZigBee temperature and humidity sensor provides accurate temperature and humidity measurements and stores this data in memory for one year. Broken down into days with hours, months and a year.

- The DHT22 humidity sensor is presented in a plastic body ideal for mounting on a panel or similar. It uses a capacitive sensor that returns a digital signal with the measurement - This sensor, unlike DHT11, is capable of measuring negative temperature values ​​and measures tenths of a degree
Characteristic:
- Operating voltage: 3 to 5.5 VDC - Humidity measurement range: 0-100% ± 2% accuracy
- Temperature measurement range: -40ºC to 80ºC ± 0.5º accuracy
- Maximum sampling rate: 2 seconds
Useful links for Arduino / Raspberry programming and projects with Arduino / Raspberry boards:
Write texts on the OLED 0.96 '' screen
- Read the measurements of the temperature / humidity sensor DHT22 / AM2302 on a 0.96 '' OLED screen
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The BME280 is an environmental sensor (SEN0236) integrating a temperature sensor, a humidity sensor and a barometer. Powered from 3.3 V to 5 V with I2C and SPI interface. Measuring range: temperature: -40 °C to 85 °C, humidity: 0 %RH to 100 %RH, pressure: 300 hPa to 1100 hPa.