Electronics

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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Maker Solar

Should You Build or Buy a 5V USB Portable Solar Power Charger?

In this video, GreatScott! takes a closer look at a commercial 5V USB portable solar power charger. After measuring its output power and pretty much “short reviewing” the product, I will try to make my own DIY version that should cost around the same while outputting more power! Let’s get started!

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Hardware Maker

Converting Devices to USB Type-C

USB Type C is great until you have to use dongles. DIY Perks shows us how to fix this. Get those soldering irons ready!

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IoT Privacy

10 Indoor Security Cameras Tested to Protect Your Privacy

The Hook Up puts 10 indoor cameras to the test to figure out which one gives the most features while retaining your privacy. My top 3 choices for those without the ability (or desire) to block cameras from the internet: EufyCam Pan & Tilt (Ships June): https://www.eufylife.com/activities/indoorcampreorder  IoTeX UCAM (Ships July): https://ucam.iotex.io/  WyzeCam V2 (Shipping […]

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IoT Maker

Why Build an Entire Computer on Breadboards?

Ben Eater explains why he likes to build entire computers on breadboard. 

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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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