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I wasn't actually expecting this light to have a driver with built in data logging functionality.

It's a neat British made miniature street light that crams a lot into a small space.

The electrical data the driver stores is intriguing, since it can detect and log irregular voltage incidents to help resolve any major failures of lights.

Quite handy that the driver can be read and reprogrammed with the NFC coil built into some phones.

https://youtu.be/MA8Pdk9gJ7Y

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Inside a tiny ASD Diamond British street light

This is one of the smallest proper street lights available. It's made by a British company called ASD and uses a conventional LED panel and a programmable driver. After the video I was able to reprogram the driver to run the LEDs at just 10W. It's handy being able to read the driver settings of one light and then clone them to another. Ideal for where you are replacing a failed driver, since the faulty one will often still be readable due to its NFC circuitry being powered by your phone's coil. The Tridonic app seems to work better than the others I've tried for different brands of driver. It still has some quirks, but was very usable. The mode option was for extra sensor functionality to detect people or vehicles, and dim the light up and down as needed with duration and dimming speeds fully programmable. The built in logging of run time and electrical anomalies is quite interesting. It has advantages for the manufacturer for detecting false warranty claims where the light has been exposed to unusually high voltage due to miswiring or a lost neutral. Note that the wires on the LED panel are a one-way trip. They cannot be removed without cutting them. Trying to release them may actually damage the panel. In normal use the panel would only be changed if it had failed anyway. I mostly managed to avoid having a rant about the deskilling of labour in the street lighting and traffic signal industry. There's a bizarre culture of falsifying electrical skills using one-day slideshow "training" in one of the worst electrical work environments possible - wet and well grounded. One day I'll probably take a deeper dive into one of the electronic drivers. But they are massively complicated, with microcontrollers and network functionality. The choice of LEDs is interesting. Quite well engineered and tested under real-life conditions during manufacture. If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- https://www.bigclive.com/coffee.htm This also keeps the channel independent of YouTube's algorithm quirks, allowing it to be a bit more dangerous and naughty. #ElectronicsCreators

Comments

Dave Frederick

Wow. That's pretty well thought out from service to operation. Nice. Thanks Big Clive.

Dave Matthews

Here's an interesting video from a lineman featuring some crispy LED heads - https://www.youtube.com/watch?v=NSoZkMWHhXg