- Get a headset so that others can understand you well (cameras are secondary, good desktop mics are much more expensive).
- Add an initial slide with class/meeting rules (mute your mic, ask permission to speak, use the chat, etc.)
- Understand how these three things work: Screen sharing, Mute all (VERY important), Recordings
- Use the PowerPoint “laser” and annotations to highlight materials and keep people engaged. Also check if the Whiteboard app (https://www.microsoft.com/en-us/p/microsoft-whiteboard/9mspc6mp8fm4) works for your class (it has a web-based version).
- Pause often and poll the audience for questions, so that newcomers learn the dynamics of unmute/mute, taking turns to speak, etc.
If you can't find a good mic for your computer, consider joining the call/class simuntaneously with your phone (via Wi-Fi) and using that as a mic -- most smartphones these days work well as speakerphones, and big, easy to use buttons to mute audio, etc.
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Good headset with decent mic (it's what I use, around €15): https://www.amazon.de/Sennheiser-PC-Chat-Headset-schwarz/dp/B005HWEY4O
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Plantronics USB desk speakerphone: https://www.amazon.de/Plantronics-610-M-CALISTO-WW-Schwarz/dp/B00SLP4VQK
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Tiny USB Hub (also have 3 of these): https://www.amazon.de/Anker-Datenhub-Ultrabooks-weiteren-kompatiblen/dp/B00Y211AFM
- Cheap USB audio adapter (I have three of these, they've worked well): https://www.amazon.de/UGREEN-Externe-Soundkarte-Computer-Schwarz/dp/B01N905VOY
Logitech C720, C920, Brio 4K webcams (€15-€100, but they all include mics that work decently if the speaker is directly in front of them).
The Brio can capture a blackboard OK (not just resolution, also color range), the others not so much.
Moodle plugin for Office 365: https://docs.microsoft.com/en-us/microsoftteams/platform/moodleinstructions