EN Installing firmware

Language: DE

Previous page	Next page
Components supply	Assembly of components

Installing USB2Serial driver

The operating system of the computer which will upload the sensor software or "firmware" to the NodeMCU - also called to flash - will need a driver to communicate with the it. The computer will interact with the USB2Serial chip on the NodeMCU. This will also depend on the version of the NodeMCU. Linux natively provides a driver already.

Identify NodeMCU version

If the version of the NodeMCU is unknown, a description of either CP2102 or CH340G. Alternatively one of the chips is marked, in which case you will most likely need a magnifying glass.

CP2102 (NodeMCU v2)

CP210x USB TO UART Bridge Drivers

• Mac/Win drivers

CH340G (NodeMCU v3)

CH340G Bridge Drivers

• Driver page of manufacturer (Chinese)
• Mac drivers, or for Sierrra see these successfully tested instructions
• Windows drivers
• Raspberry Pi drivers

Restart the computer after installing the drivers. Comment MacOS >10.9: Unsigned drivers have to be explicitly allowed. A good description can be found here.

Install firmware

Caution: Do not use USB cables longer then 1m for uploading the firmware to NodeMCU.

We will be describing two variants of installing the sensor software. For both you'll need the follow these instructions:

1. Download and install Arduino IDE.
2. Install platform packages for ESP8266 with Boards Manager following these instructions.
3. Close Arduino IDE.