COSO Five
COSO FIVE
COSO Five is an Environmental Monitor with several improvements over COSO Three:
- Power Supply 120V AC
- 1 standard 120V AC outlet, max 5A
- OLED display 128×64
- 4 buttons
- 1 Blue LED
- DHT22 Temperature/Humidity sensor
- 2 auxiliary ports with 4 I/O available for expansions
- Powered by ESP32 at 160 MHz – NodeMCU-32S module
- Programming/communication port available on micro USB
- The device does not need any buttons to be pressed to be re-programmed
- InfraRed receiver
- InfraRed transmitter
- Light sensor
- WiFi capability, SSL protocol included
- Bluetooth capability
- Compatible with COSO logging system, and related Web App
The firmware includes the Alexa library, to control the status of the output via voice.


