Removing cpp in favor of node-dht-sensor

Author: Nick Veys

.npmignore

@@ -1,4 +1,3 @@
 build
 node_modules
-test-user-root
 .tool-versions

README.md

@@ -2,19 +2,37 @@
 
 DHT11/22 plugin for [Homebridge][homebridge] running on a Raspberry Pi GPIO pin.  Provides temperature and relative humidity.
 
+## Requirements
+
+Uses the [node-dht-sensor][node-dht-sensor] library to communicate w/sensors, it uses the [BCM2835 library][bcm2835-lib] to communicate, and that must be installed before installing the NPM module.
+
 ## Installation
 
+1. Install [BCM2835 library][bcm2835-lib]
 1. Install this plugin using: npm install -g homebridge-dht-rpi
 1. Edit ``config.json`` and add the sensor(s).
 1. Run Homebridge
 
 ### Config.json Example
 
-...
+```json
+{
+  ...
+  "accessories": [
+    {
+      "accessory": "dht-rpi",
+      "name": "My DHT"
+    }
+  ],
+  ...
+}
+```
 
 #### Optional Parameters
 
 * `type` type of device, either `"DHT11"` or `"DHT22"`
 * `pin` GPIO pin number, default `4`
 
-[homebridge]: https://github.com/nfarina/homebridge
+[bcm2835-lib]: http://www.airspayce.com/mikem/bcm2835
+[homebridge]: https://github.com/nfarina/homebridge
+[node-dht-sensor]: https://github.com/momenso/node-dht-sensor