Update documentation supporting DIY mode

docs/_hardware/sonoff_d1_dimmer.md

@@ -1,23 +1,41 @@
 ---
-title: Sonoff D1 Dimmer (Tasmota)
+title: Sonoff D1 Dimmer (Tasmota/DIY)
 categories: [Hardware, Relay]
-tags: [relay, dimmer, wifi, sonoff, tasmota]
+tags: [relay, dimmer, wifi, sonoff, tasmota, diy]
 
 image:
   path: /assets/img/Sonoff-D1-Dimmer.webp
   src: /assets/img/Sonoff-D1-Dimmer.webp
   alt: 'Sonoff D1 Dimmer (Tasmota) header image'
 
-device_address: 'Enter the hostname or IP address.'
-device_url: https://tasmota.github.io/docs/
+device_address: 'Enter the hostname or IP address including port number.'
+device_url: https://sonoff.tech/product/smart-lighting/d1/
 ---
 
 ## Information
 
+This is a dimmer device which can be controlled through Wifi. It can dim normal
+as led lights at 100-240 Volt.
+
+The device needs either to be flashed with [Tasmota](#tasmota), or you need it
+yo put in [DIY](#diymode) mode.
+
+### Tasmota
+
 Total local control with quick setup and updates. Control using MQTT, Web UI,
-HTTP or serial. Automate using timers, rules or scripts. Integration with home
+HTTP or serial. Automate using timers, rules or scripts. Integration with34 home
 automation solutions. Incredibly expandable and flexible.
 
-**[It needs to be flashed with Tasmota firmware!](https://notenoughtech.com/home-automation/tasmotizer/)**
+[It needs to be flashed with Tasmota firmware!](https://notenoughtech.com/home-automation/tasmotizer/)
+
+### DIY Mode
+
+With the D1 Dimmer it is also possible to use the
+[DIY mode](https://sonoff.tech/sonoff-diy-developer-documentation-d1-http-api/)
+so you do not need to flash your device. This can be done with the original
+software on the hardware device. But you need a 433Mhz remote controller to put
+the device in AP mode to setup your wifi.
+
+[Follow these steps to setup your Sonoff D1 Dimmer in DIY mode](https://theroamingworkshop.cloud/b/en/1989/sonoff-d1-dimmer/#internet-connection)
 
 {% include_relative _relay_detail.md %}