eevblog

IoT Maker

Little Known ESP32 Power Saving Modes

Another great video about the ESP32 and its power saving modes. I need to dust off my soldering iron. We all know that we send our ESP32s to deep sleep to save energy. But do you know the other possibilities to save energy like light sleep and clock reduction? And what about modem sleep or […]

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Science

Are Supercapacitors the better Batteries?

I have often wondered why use batteries and not supercapacitors. Supercapacitors are super like Superman or Superwoman. Otherwise, they only would be called “Capacitors.” Right? Where are they “super” and where not? Where can we use them, and how? And the most important question: Are they better than batteries?

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Containers Raspberry Pi

Raspberry Pi Server Based on Docker with VPN Remote Access and More

If you ever wanted to up your home networking game with backup to Dropbox and secure remote access from everywhere through your own VPN, all based on Docker containers, then check out what Andreas Spiess has done. In this video, he covers: Install Docker with many containers like Mosquitto, Node-Red, Grafana, influxDB, Postgres, Portainer, and […]

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