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raspberry pi

Raspberry Pi: camera video stream to host

While playing with the raspberry pi camera I found it hard to know if the camera was working or trying to tweak settings. I was using raspivid -f to preview the video. This was limited with being open for 5 seconds ( can be adjusted using the -t flag and passing it seconds in milliseconds ). The solution was to open a streaming video from the raspberry pi and view it on my host ( mac ).

Raspberry Pi: Multiple wpa_supplicant networks

Imagine building a raspberry pi project at home that is dependent on wifi. Everything is working perfectly until you move that project somewhere outside your home network. You have to go find a monitor and keyboard to set it up on the new wifi. This process is difficult, time consuming, and stressful. I have had the pleasure to endure this multiple times throughout my projects. Especially when there is pressure to have it done for a public event. I was curious if there was a way to get the networks to be plug and play, where there would not be an issue when moving it from one place to another. Doing a bit of research I have found that you can setup multiple wireless networks on the raspberry pi. 

Raspberry Pi

People often ask me what is possible with the power of the raspberry pi. I’m have a tendency to buy numerous microcontrollers / cheap standalone controllers, just to see how they work and if they could prove more useful to me than the raspberry pi. The release of the Pi Zero for $5 pretty much put the nail in the coffin when it comes to IoT ( Internet of Things ) work for prototyping.