Chip-based microcontroller ESP8266
offers a complete wireless networking solution
in a compact module design ESP-01
cooperating with various digital sensors
DHT11/DHT22/DS18B20 designated
for temperature/humidity measurement.
HuTemp is a wireless temperature and humidity sensor based on ESP8266 microcontrollers.
ESP8266 ESP-01 WiFi module:
- Integrated 32-bit RISC processor
- wireless standards 802.11 b/g/n
- encryption and security WEP,WPA,WPA2,TKIP,AES
- integrated TCP/IP stack
- QOS management & I2S interface
The versions of HuTemp v1-3 are powered from the mains, depending on the use of the sensors listed below
Wireless temperature and humidity sensor:
- processor 80-160MHz (Xtensa LX106)
- storage 1MB QSPI
- integrated web server
- built-in power source 110/230V AC
- power consumption 0,5W
- size 40 x 66 x 40mm
Technical parameters of usable sensors
HuTemp v1 [DHT11]
- working voltage: 3–3.6V DC
- temperature range: 0 - +50°C
- temperature accuracy: ± 2°C
- humidity range: 20-90%
- humidity accuracy: ± 5%
HuTemp v2 [DHT22]
- working voltage: 3.3-6V DC
- temperature range: -40 - +80°C
- temperature accuracy: ± 0.5°C
- humidity range: 0-100%
- humidity accuracy: ± 2%
HuTemp v3 [DS18B20]
- working voltage: 3–5.5V DC
- temperature accuracy: -55 - +125°C
- temperature accuracy: ± 0.5-2°C