Ceiling Fan | Hackaday
When looking to automate everything in your home, you have undoubtedly got things that are not intended for home automation. Maybe your window air conditioner or the dimmer in your dining room. [Seb] has several ceiling fans controlled by remote controls that wanted to connect them to his home automation system. There [Seb] gives a good overview of how to approach this problem and how to design a circuit board so there isn’t a breadboard lying around connected to the bowels of your remote control.
There are several things [Seb] has to figure out to connect his fans to Home Assistant, the home automation system he is using: he has to determine whether the circuit in the remote control can be supplied with 5 or 3.3V, he has to connect the circuit to an ESP32 card and he needs to figure out if he can create a custom PCB that combines the circuit and the ESP32 into one. The video goes through each of these steps and shows the development of each one along the way.
There is a lot of information in the video so it may need to be slowed down a bit to see all the details. There is other reverse engineering of home automation devices on the site here, or you may want to create your own remote to control your automated devices.
Continue reading “Reverse engineering of a ceiling fan remote control”
It’s not uncommon to drive around the neighborhood on Garbage Day and see a ceiling fan or two randomly strewn on a pile of garbage bags ready to be taken to the city’s garbage dump. It’s a shame to see something like that go to waste, and [Giesbert Nijhuis] decided he’d see what he could do with you. After careful work, he was able to turn a ceiling fan into a kind of wind turbine.
While some generators and motors can be used interchangeably by reversing the flow of current (motors can be used as generators and vice versa), this does not apply to ceiling fans. These motors are induction motors which, for reasons of cost, do not have permanent magnets and therefore cannot simply be used as a generator. However, if you make some changes to them such as: For example, by rewiring some of the windings and adding permanent magnets around them, you can avoid this disadvantage of induction motors.
[Giesbert] notes that this project is not a great way to build a generator. Even after making all of the changes necessary to make it work, the motor isn’t as efficient as one built with its own set of magnets. With all the work, it’s not that much of a time investment for a low quality generator. However, it’s interesting to see the theory behind something like this in the first place, even if the end result wasn’t a full wind turbine. If you have an old ceiling fan lying around, you might be able to make better use of it.
Continue reading “Turn a ceiling fan into a wind turbine … almost”
Putting everything on the Internet is becoming easier and easier, which has to do with the abundance of Internet-enabled appliances and cheap and plentiful IoT modules for integrating older devices. Think of IoT lightbulbs, refrigerators and dishwashers that can be controlled from a smartphone, as well as the ubiquitous Sonoff modules. But when these things are online, what are they talking about? Do they say things behind your back? Are you sending data about the contents of your refrigerator to a foreign country in order to monetize it against your will?
Maybe, maybe not, but without an aluminum foil helmet the only way to protect yourself is by building your own system. This ceiling fan IoT control is a good example with the added benefit that most wireless ceiling fan remotes are pretty crappy. [microentropie] I didn’t like the idea of going the Sonoff path, so his custom controller is based on this IoT workhorse, the ESP8266. There are two versions, one for switching the light and fan loads with relays and one with triacs. The ESP provides its own web page for control instead of using a cloud service and can set the fan to turn on and off automatically at preset times or temperatures. Everything is in an inconspicuous box on the ceiling near the fan, but we bet this could be miniaturized enough to fit right inside the fan case.
When some of [microentropie]The code looks familiar to me, possibly because he borrowed it from his IoT rice cooker project.
If your workshop has ceilings as high as [Niklas Roy]If you are 3.6 meters (11.8 feet) away, you are familiar with his problem. Hot air rises and usually stays there until the heat is transferred outside. But in winter we need that heat inside and below. One solution is to install ceiling fans that blow the hot air back down. However, [Niklas] often builds big things that would clash with these fans. And so he had to hack together some wall hugging fans who will be both high up and out of the way.
Corroded industrial control
For the fans, he uses six of these ubiquitous standing fans, who usually sit on a post a few feet off the ground and turn back and forth. He threw away the posts and mounted the fan bodies on a horizontal wooden frame with a wheel on one end that he had made for another project. A rope around the wheel and hanging it down makes it easier to tilt the fans. To control the fans, a friend gave him an old industrial controller and opened it. All he saw was corrosion. When he was cleaning everything up, he installed an old Russian 3-position switch from his collection.
In the future, he would like to add a control system that not only turns the fans on and off, but also adjusts their speed. However, at the moment he reports that it works really well. On his page you will find photos and more details.
In the meantime, winter is really coming to those northern latitudes and here are more hacks to help you prepare. How about an RC-controlled 3D printed snow thrower for automatic shoveling of snow? And while you’re warm and warm inside and remotely controlling your snow blower, you can still get in some sports with a DIY bicycle roller. But if you venture outside, you might want to get around on a dogless dog sled.
The wheel turns as always [Lou Wozniak]. He came back to us this time chopping a pottery wheel from a cheap ceiling fan. This is great use for a discarded or inexpensive fan, and the build should cost less than $ 50. If you watch the video you will learn that repurposing the ceiling fan was not an easy task. Lucky for us [Lou] turns through detailed construction procedures and doesn’t cover every tip and trick. He really thinks outside the box, or should we say into the bucket and peanut butter jar. The fan is disassembled and rewired in a 5 gallon bucket that is used as a case and stand for pottery wheels. A plastic peanut butter jar was used as a makeshift electrical junction box in the bucket. He reassembled the motor’s cord-operated speed switch to the side of the jar and ran the pull cord out the side of the bucket. The fan motor should have three or four shift speed settings that may provide adequate control. If stepless speed control is desired, he can add a similar control [Ben Krasnow’s] AC controller with a pin on a microcontroller. TO UPDATE: [AKA the A] tells us in a comment below that this controller won’t work with a ceiling fan, but we still like it a lot [Ben’s] Project, so we’re leaving this link here.
Most potters use significant amounts of water to wet the clay as they are cast. Hence, we have concerns that the high voltages and open motor design are right under the wheel with no shielding. We know [Lou] can easily hack into a splash pan and of course always plug into a ground fault protected outlet when electrical appliances are used near water.
At the end of the video we see the bike in action, which you can see after the break. However, [Lou] does not claim to be a potter’s craftsman.
Continue reading “Converting a ceiling fan into a potter’s wheel”
Bullet time has been around since at least the first Matrix movie (there actually was a gap ad before), and while it’s a commonly used cinematographic technique, it still hasn’t gotten old. [Jeremiah] wanted to use the fascination of bullet time and managed to develop a great camera rig with just a GoPro and a ceiling fan.
The structure is really based on only two components: a GoPro camera and a ceiling fan. in the [Jeremiah]In the videos, a ceiling fan is mounted on a sturdy piece of wood between two trees. The GoPro is hung on one of the fan blades with the help of a piece of wood, a hinge and a short cable. After [Jeremiah] He wired the fan to a dimmer that he could use to control the speed of the fan, and Bob is your uncle.
This isn’t the first time a GoPro has been used on a bullet time rig. Indeed, our buddy [Caleb] did a similar build by turning the camera around on a lazy suzan. Do I have to love the high frame rate that is available on the GoPro?
Vidias after the break.
Continue reading “Bullet Time with a Ceiling Fan”
The ceiling fan in [Steve Vigneau’s] Bedroom was starting to bother him. It is usually operated with a remote control, but that functionality had gotten quite spotty. He cleaned the contacts on the remote control but still had problems that could only be fixed by turning the fan off and on. When it finally died, he set about repairing the device himself. Above you can see the controller card from the fan. It was a little too complicated for [Steve] To fix bugs, he wondered why he shouldn’t just stop using the remote and make it work with a few switches. A bit of research led him to some basic fan schematics that he used for reference. He needs to remove a couple of capacitors and wire them to one switch for the fan and another for the light. Sure, there are no speed or direction settings, however [Steve] thinks he doesn’t need to change them and always has the option to add them in the future.