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Scott Lewis

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Scott Lewis 09/07/2019

I do around two electronics projects a year, but these tend to be fairly intense when it comes to soldering, such as keyboards. It's enough that I want a good soldering station, but not so much that I would feel comfortable spending the AUD165.00 it would cost for a Hakko. For me, this Yihua model is the perfect compromise. It has the features I want, such as a temperature readout, and it makes use of high quality components in areas such as the heating element. One thing I should say, is that you need to be very careful when purchasing the the 937D, or the slightly less expensive 935. There are just so many "copies" out there! Many of them exactly duplicate the Yihua design -- externally, not the internal components -- and some of them even have the Yihua branding on them. This is a very sturdy, solid feeling unit. The on/off switch has a very positive feel to it, and the dampening on the dial that controls the temperature setting is really ideal --it doesn't just spin freely, but there isn't too much friction. The temperature setting (which I think is only in Celsius, which really suits me) is done by turning the dial until the LED displays the desired temperate, After a moment, the display goes back to showing the actual soldering tip temperature, until it increases to the desired setting, at which time the heating light goes off. That is really the ideal way of doing it, I think. The unit shipped to me came complete with a conversion plug to the Australian plug type, which I didn't expect, as well as a spare. replacement heating element. I was so impressed by that. Thank you, Yihua! Anyway, from the perspective of an Australian consumer, this looks like a really good choice for the money (about half what a Hakko would have cost me). I've just only done a couple of test solders, but so far it is something I would really recommend.

YIHUA 937D 220V 75W Ψηφιακή Οθόνη Σταθμός Συγκόλλησης Σιδήρου 4 Tip Σύνολο Εργαλείων Συγκόλλησης

US$71.46 US$93.21

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Scott Lewis 25/05/2018

As I'm finding out, the world of iBeacons is a little bit strange. Some of the details about this particular iBeacon: -There is an off/on switch, about the size of a DIP. As you actually have to unscrew the case to access this, I'm not really sure what it is for. -The battery is enormous for this type of device. It is a CR2477H. I can believe it would give over a year of power for continuous operation. -What the notes about the deployment setting mean, is that after the iBeacon has been given the settings you want, you can change the deployment setting to make it impossible for anyone to hack the iBeacon and change any of the settings. That's good for commercial use, but if you are just using it around home, there's no need to switch on deployment. -If you do set it to deployment mode, you need to either take out the battery, or toggle the on/off switch to reset it to a state where you can change settings. -Generally speaking, while these iBeacons were probably great value two years ago, you can find better ones for at least a couple dollars cheaper these days. Some general comments about iBeacons: -One of the most annoying things is that while you can access the UUID code from a range of apps, all of them display it in a non-editable field. That means you have to, manually, write it down, then, manually, re-enter it at some stage. (So the first iBeacon app I'm going to write will let you copy and paste it.) -Curiously, some iBeacon location apps will only accept the hex UUID in lowercase, which is abysmal, especially as most apps display it in uppercase. -The LightBlue app recommended is very good, but BLE Scanner is also useful. -In case you are very new to iBeacons, there are three values that the beacon "broadcasts". The UUID is a unique identifier, generally for one location or user. It's common for many beacons to share the same UID. In addition there are two other values called "major" and "minor", which are integers, and can go up to a value of close to 60,000 only. The most common way to use these is to have the major value shared, and the minor value unique. For example, in a house you might use one UUID for all beacons, a different major value for the livingroom and the garage, and give each beacon its own minor number so you know exactly which is which.

Bytereal iBeacon BLE 4.0 Ενότητα προσανατολισμού κοντινού πεδίου

US$10.99 US$14.99

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