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Low Cost Wireless Sensor Network on 433MHz Band
I've got a lot of LoRa modules in various frequencies. I like the idea of central computing, just using the LoRa to transmit the data back to a base station for collection.The power requirements are low and thus the use of a small solar panel and battery would suffice.Good instructable!
As someone who trained on 'primitive' Burroughs computers, they were the leading manufacturer of their time. We had all sorts of goodies that were considered state of the art. But, technology marches on and IBM marketed them out of the lead.They then swallowed up UNIVAC, hoping to get the University and research market and exist today as Unisys.
Nice instructable.I think this will be a great new year project.But, I'm tempted towards an ESP rather than Arduino as there's no need for an RTC - the NTP takes care of that, and you can automate time setting, add alarms, etc. And I'm going to cheat and get the pcb pre-assembled. :)
Very nice!I wonder if using 3mm ply glued on the bottom would reduce flex?Something else for my laser cutter to play with :)
I’ve been using a vacuum sealer on home-cure for more than a decade. Never had a problem. But I do use a nitrite cure.As with any curing, cleanliness is paramount.For ham, I vac-pack it straight out of the smoker and sous-vide it, then leave it a minimum of a week for the smoke to ‘normalise’ and not leave it tasting like an ashtray.
As the go-to STEM consultant for my teacher wife, I know both how much effort goes in, and how rewarding switching on or triggering that interest is in young people.You do great work! I enjoy reading (and co-opting) your instructables.Thank you. :)
It’s really nice. Best layered box I’ve seen.Can I ask, why didn’t you cut the felt with your laser?
Nice job! Very tidy, very useful. Congrats.
Nice job. I’m going to have a go.One circuit improvement could be to use an ESP8266, ntp and geolocation to set your clock.You can do away with the rtc, and it automatically sets itself to the correct time as soon as it is connected to the wifi.look here for an example of how to do it. https://github.com/myk3y/AutoClock
Ping Pong Ball LED Clock
I just built an A2-sized one for under $600, but you can buy a small cnc chassis for about $100-200 on AliExpress or Banggood, buy a 5W laser diode for about $100, and a controller for as little as $50 and be off and running.Fun!
genius!I’ve just built a small laser engraver that was designed for cutting cardboard for making 3D models - you’ve just given me a whole new range of projects to play with.Thanks and voted!
EL Wire Neon Nixie Style Clock
I love your clock! But, in the spirit of improvement, I think you could simplify and make it better by replacing the Arduino, rtc and BT unit with an ESP8266 or ESP32, use geolocation for time setting and ntp for time accuracy. Also, you do t need an Android app, by using the ESP you can access and control by web control from the ESP’s built in web server.I love your animations. Your clock is colourful, intriguing and inspiring.I don’t have a 3D printer. Or access to one, but I do have a laser cutter which I’m going to use to try and make something similar.Have a look at my geolocation ntp code, see if you think it can improve your clock: https://github.com/myk3y/AutoClockBravo!
how do you manage time offset for local geo?