By now you will have read my previous post. This is an update to the experiments.

The Raspberry Pi Zero has some great advantages, in that its footprint is small and power consumption is low, but there are some disadvantages too.

I mentioned the WiFi range. but in my case I improved that with the add of an external antenna on an Ftl-SMT socket to the Raspberry Pi Zero. This requires good vision, and a steady hand with a tiny point soldering iron. There is a zero ohm SM resistor to swing through 45 degrees, and the attachment of the socket. But this has at least doubled the range of the Wifi reception.

The other disadvantage is the heat generated by the boards. Whilst the Zero can work up to 85C, the device will certainly suffer from a 24/7 approach. Mine is quite warm and hovers around 70C. To check the temperature of a raspberry send the following command in the terminal – sudo vcgencmd measure_temp that should display the working temperature.

While it can be used primarily as an EchoLink hotspot, I have found it extremely versatile as a connection to existing SVXLink repeaters, provided that the repeater has been set up to work with SVXReflector.

Now this was my primary goal with the DJSpot. Whilst the OpenRepeater software supplied with the device was a drawback, I have since configured mine with the most up-to-date SvxLink to enable the SVXReflector connections.

I will be writing an article on the SVXReflector over the next few days, so come back soon.

Anyone wishing a DJSpot should email bv5dl@hotmail.com and ask Gabriel for his pricing and delivery.

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