SeanMollet

Latest app update, including the renewal process went live for Apple and Android today. Update your app and you'll be able to renew. Sean

There's empty pads on the board for the analog inputs that can have resistor networks loaded to accommodate whatever input range somebody wants to read. There's also RS232, SPI and I2C ports pinned out for expansion cards to interface to just about anything you might want to read. I'm actively looking for use cases for those features. If somebody brings me a viable use case, I'll make a run of boards with the appropriate resistors loaded and/or make a run of suitable expansion port boards.

SwitcheOn includes the cellular service for the $50/year.

Just released the latest box software. Any plugged in box will automatically update. V1.3 [*] Adjusted self-heating compensation to improve temperature accuracy [*] QR code now stops appearing after the box has been plugged in for 5 minutes. If you need the code to add the box to another phone, unplug and re-plug it. [*] Support for auto restricting high power channels - requires upcoming app update In the next app update, there will be 4 switches added to the Box Detail screen labeled "High Power Channels". These channels will be limited to only having 1 on at a time. The idea is that if you have a large engine heater and a space heater that together exceed the power of your outlet, you can mark them as high power and the device will prevent you from accidentally turning both on and blowing either the circuit breaker or the device fuse. Thanks to Martin Pauly for the ideas for the last two items. If anybody else has suggestions for a future release, I'm all ears.

That's one place that I have no room to negotiate. They (Verizon) want their activation fee every time I activate a SIM. If I de-activate one, they charge me again to re-activate. So, it would be like $4.50/month + $20 activation every year. That's $47 and I have to deal with supporting the boxes that fail to activate, are forgotten, etc..

The relays are also RU (UL listed components).

I don't comment on other people's products, but I might whistle loudly and point SwitcheOn is a Verizon certified product and each device is registered with them, just like mobile phones. If I ever go away and my account stops, you can reactivate the device on your account using the sim that's already in it. You won't get my deal, but it'll keep working. https://opendevelopment.verizonwireless.com/device-showcase/device/12484 I could build a wifi version, but I didn't think there was any real point. There's tons of cheap wifi switches out there. I do have the temperature sensor and the automations which I think are pretty slick, but I wasn't sure if I'd ever sell enough to justify the cost of another PCB. Even with our so far good sales, it's going to be quite a while before I'm even on this version. You showed me yours.. I'll show you mine. That's the power trace. 5mm on the top, 5mm on the bottom. You can also see the quick connects for all the inputs/outputs, the high quality name-brand fuse (Belfuse), the safety capacitor (the black box) and the surge suppressor (MOV, blue circle). You can also see the UL listing mark for the factory that makes the boards for me. The device as a whole is not UL (yet), but the boards, cables and splices are all listed parts.

Thanks for the warm welcome. Have you ever met an engineer that didn't want to answer technical questions? For hours. Even if they weren't asked? J&J was James. I've spent the last 20 years mostly building automotive electronics.

*waves* I totally understand where you're coming from. That's exactly why I built it. In short, I added sump heaters to my plane at the last annual and, like your friend, after looking at the available options was disappointed. I knew I could build a much better one and it went from an "I'll build one for myself" to something of an obsession to see how nice of a box I could actually build. The board was designed to IEC 60950 and the enclosing Box to UL 498A. The box is custom injection molded poly-carbonate. The PCB is a single board that switches only the positive leg. HV and LV are isolated from each other with no connecting copper and more than 10x the required clearance. The power leg for output has a 15A thermally sensitive slow blow fuse, a surge protector (MOV), a safety capacitor, and each of the relays is rated to 16A. The power for the radio has a 0.5A fast blow and a common mode choke for noise filtering. The neutral and ground are tied with Wall-Nuts (NEC compliant). The cords are all 14 gauge and are UL listed. The power trace is 10mm total on the outside layers of the board. At 12 amps continuous, it will heat up 10C above ambient. At 15 amps, 15C. It'll pass UL, but my CPA spouse was already going to wring my neck after the bill came for the injection mold tooling and first run of PCBs for my "little project". By cost, it's 76% US made. The Printed Circuit Board is made and assembled in Lenexa, KS, final assembly happens in Overland Park, KS and I personally program and test every unit before it goes in the box. The service is $50/yr because I have a decently large business relationship with Verizon. I have a day-job reverse engineering electronics, so I enlisted James here to handle the sales aspects.