Python Wifi Signal Monitor' title='Python Wifi Signal Monitor' />The STEM lab board can be controlled remotely over LAN or wireless interface using Matlab, Labview, Scilab or Python via the Red Pitaya SCPI Standard Commands for. This was a fun flight to provide a remote serial terminal on a Pi, between ground and a highaltitude balloon, using a bidirectional radio link. A curated list of awesome Python frameworks, libraries and software. Firefox users bouncing between work and personal accounts on a daily basis are probably tired of logging in and out, or switching accounts. Thanks to the new and. Multiple threaded callback interrupts in Python. Weve been learning about interrupts this week because of the brand new interrupt capabilities of RPi. GPIO. Under our security policy I may not use https with pypi, SSLinspection rewrites certificates, it breaks the builtin security of pip for www. Continuing from my previous blog post about HiLink HLKRM04 module, I have finally received the ESP8266 SerialtoWiFi module that Ive been waiting for. As I said. The ESP8266 is the answer to I want something with Wifi. Surprisingly, there are a number of engineers and hobbyists who have not heard of this chip. Kodi formerly XBMC is a free and opensource media player software application developed by the XBMC Foundation, a nonprofit technology consortium. Kodi is. On Monday, we learned that Microsoft was killing off the iconic Microsoft Paint program after 32 years and replacing it with Paint 3D in its upcoming Windows 10. Minnesota DMR imagine a better more capable network. This is Part 1 of a 4 Part Article. Part 1 covers assembling the hardware. Part 2 covers provisioning the Raspberry Pi with Software. Part 3 covers Final Configuration of the hotspot. Part. 4 is Frequently Asked Questions. A fully equipped Mini Mega for about 3. DMR HT Radio for about 1. GOby Barry, K0. BSBA very portable mobile rig capable of working the world, and very transportable, Even through TSA. If they object show them the Li. ON Batteries which you cant pack. Its worked for me. Introduction. I like taking my ham radio with me wherever I travel, by plane, train, or driving. I love letting the civilians marvel at the ease of making contacts halfway around the world, or even several hundred miles away with a nice clear signal. Have them chat with someone settling down for an after dinner drink in England, or chatting with someone fishing off the pier in Australia. I just hand them the speaker mike and let them go, after all I am still the control operator with my HT firmly in my grip. Note If you operate outside the US be sure to register with the country whose boarders you are operating in, including the nation of registry of the cruise ship you are operating from, and get the captains permission as well. Its a great recruiting tool for Amateur Radio. This is the Mini DHAP opened so you can see its innards Here is the Mini DHAP in travel operating mode for both DMR and D Star. Not shown is my Cell Phone which I use as the Hotspot and as a console for the Mini DHAP running web based Pi Star. This is a Shark Open. Spot setup in Operating Travel Mode, a Brief case rather than a Grab n Go. So why this stuff rather than using the Shark RF Open Spot. The cost is about the same. Well I find it more flexible, if you have some parts laying around, like an older Raspberry Pi you can put it back to work. Also the Mini DHAP is a much smaller package by the time you add power, Wifi, and other stuff. Also, you may need to bring a laptop to change configuration in the field, I can use my phone for the Mini. Mega DHAP. Packing a lot of gear, like I was going on a DXpedition is not my idea of fun though. Besides the comments I get from the XYL about why I need that all that Junk, especially when I remind her that luggage is generally restricted to about 5. Packing my Toys for travel, I am down to a DMRDSTAR Hotspot that is 4x. Ounces with batteries. My TYT MD 2. 01. DMR andor ID 5. A D STAR  HTs with speaker mikes. My phone as a terminal andor My Jetpack Hotspot, incase I want to save my phone batteries. If I want to operate for more than a day add a 1. VDC adapter with 5. Coaxial DC Connector for the HT Battery Charger. HT Charging stand. Apple style wall wart AC Adaptors, or a small 6 outlet USB power with a USB3 socket to charge my laptop that uses either a 1. VAC USA power cord, or a 2. V EURO Power cord. Ah power banks1 for our two phones and jetpack, my noise cancelling bluetooth headphones especially if I am flying for listening to tunes or movies. The whole thing fits in a trim cross body messenger bag with my Laptop, or a side pocket in my DSLR camera bag. No Muss, No Fuss  My only outside dependency is either a Wi. Fi Connection, or a Good LTE hotspot connection to the internet is available. Initial Parts Shopping. You can get many of parts from Giga. Parts including the Raspberry Pi, the DV Mega, Memory card, and Hardened Power Case. Its more expensive that way, but you will get all the pieces together shipped to you. However the cost will be about 3. Shark. RF Open. Spot, but you still have to add the cost of Wi. Fi, an internet source, power etc. However if you purchase the pieces from various vendors you can save some dollars and a bit of hassle read that as get out the soldering iron. I have included a lot of links to Amazon, Its where I got a lot of my stuff, however that is not the only source, and the least expensive price. Prices and availability were at the time I wrote the article, YMMV. You will need a Raspberry Pi Ras. Pi a credit card sized Single Board Computer, you can use any version as long as its at least the model B if you already have one laying around. Wsus Script Force Update Detection Device on this page. If you are purchasing one, Think about the Raspberry Pi 3 Model B, as it has Wi. Fi and Bluetooth on the card. Bluetooth or repoint it in the setup. Its well documented on the here. Note I use Amazon Prime a lot. You may want to consolidate the Amazon Orders to save on shipping. I get my Raspberry Pis at Micro. Center in St Louis Park2, they have convenient hours, and they are local. They sell the Raspberry Pi for 2. Micro. Center also sell their own branded class 1. Gigabyte GB SD cards respectively. Ask for them at the register, when you checkout. I recommend you buy at least two cards one for backup, more on this later. You only need 4. GB for the software we are using so 8 or 1. GB is plenty.  However, 3. Pi for other functions when not using it as a hotspot, and they are also pretty cheap. Also you may want to buy an 8 or 1. GB USB Thumb Drive at the same time to save a backup copy and not take up that space on your hard drive as well. Order the DVMega Card3 direct from Gus in the Netherlands or Eric Osterberg, N0. NKI Locally his prices may vary the Single Band UHF only for 9. US 1. 17 or the 1. US 1. 59 Dual Band UHFVHF4. Be sure when ordering to check the add wire option, or you will have to do some not fun soldering. The wire allows you to flash the firmware on the DVMega Board directly from the Raspberry Pi. Its only one wire but the board is crowded, and you need to be careful. I did mine, but I had to get some reader glasses about 1. Diopter larger than I need to read. The Case, a DHAP Mini Mega, can be ordered from Hardened Power Systems HPS5 for 9. The Coaxial 5mm External power plug disconnects the batteries from the rig when plugged in, so you can run with external power without lighting the Lithium Ion 1. You will need a few more items for the complete setup. An sma antenna6. I use a Maldol MH 2. SMA antenna but it is expensive about 3. However, Amazon sells a Retevis RT2. BOAFENG BF UV3. R, Yaesu VX 1. R, TYT  TH UV8. R, or the WOUXUN KG UV6. D for about 1. 2. If you have an extra stubby antenna that will fit the above radios you can save some bucks. Optionally a 9. SMA connector, however, finding one is an exercise left to the student. I ordered some from Amazon, but watch the sex of the connectors and pins. I ended up ordering another whole set because the connecting pins were the wrong sex. Battery Charger7. Li. ON Batteries have to be charged carefully and properly or they can catch fire. You need a proper charger, one available at Amazon is 3. One positive is the 1. V power adapter can be used to power the DHAP. You may want to get a plastic case for them as well since if the short they can cause a fire as well i. Samsung 8 Cell phone. Lithium Ion Li. ON 1. Its your choice the Mini DHAP will hold 4, required is two in series to get 6. VDC or more. Four simply connects two series pairs in parallel for greater operating time. There is a link on Hardened Power Systems Mini. Mega Page at the bottom to Amazon to order the batteries. The ones he shows are the correct size for the enclosure and are reliable. I strongly recommend you order these, as 1.