Circuit Assembly Tutorials || How to Build a Latching Relay Circuit (with explanation)

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philo mech

philo mech

Күн бұрын

Пікірлер: 15
@happysharma7343
@happysharma7343 10 жыл бұрын
I am a bit confuse before but after watching your video I understand the DPDT latching relay circuit. Keep uploading these kind of stuff
@philomechtutorials
@philomechtutorials 10 жыл бұрын
Appreciate the comment. I'm glad the video was helpful. I'll certainly continue to do my best to upload videos. If there are ever any specific circuits, etc., that you would like to see a video about just let me know and I will always do my best to create a video about such as soon as possible.
@liberalpoet
@liberalpoet 9 жыл бұрын
Thank you, for your VERY detailed and helpful videos! And thanks for taking the time to share your knowledge! Much Appreciated!
@philomechtutorials
@philomechtutorials 9 жыл бұрын
liberalpoet Appreciate the comment and feedback. I'm glad the videos are helpful. I'll definitely continue to do my best to help. Thanks for watching!
@grandegringo3740
@grandegringo3740 9 жыл бұрын
Thank you very much for taking the time to explain as you were building. This will work great for my project.
@philomechtutorials
@philomechtutorials 9 жыл бұрын
Grande Gringo It's great to hear that the video was helpful. I appreciate the feedback. Thanks for watching!
@wkndafx
@wkndafx 9 жыл бұрын
heyy mine doesnt seem to work :( i used a tx2-5v atx209.. i dunno if my relay is broken or im using a different relay..please help :(
@Schwalar
@Schwalar 10 жыл бұрын
This is the best video lesson i've ever seen! I got a question though. Lets day i've got three latching relay circuts that i want to break with each other. So that when i turn on number two number One turns of, when i turn on number three number two turns of. And of course i want it to work wich ever One i turn on. I'm using this for audio applications, sending a guitarsignal through different loops then out to a amplifier. I would love it if you could make a video ti cover this! However, this helped me a whole lot in understanding how relays work!
@philomechtutorials
@philomechtutorials 10 жыл бұрын
Johan Ericson Greatly appreciate the comment and feedback. I'm currently visiting family and away from the majority of my electronic, video, etc., equipment but I will definitely think about the circuit you need and see what I can come up with. I'll let you know as soon as I have a few possibilities in hand.
@truwebs
@truwebs 10 жыл бұрын
Thanks for sharing. This looks like the start to a solution of my problem. Any chance of showing how do a latching circuit in order to switch a traffic light signal? Currently have a refurbed traffic light that I wired to a 4 position rotary switch. Would prefer to have 4 buttons..... 1 red, 1 yellow, 1 green, 1 black. Black would be to turn all lights off, while the other buttons would be for turning the respective light on. Unsure of wiring and relay solution. Have seen many multiple relay boards available but everybody seems to prefer connecting to a micro controller like arduino. Guess I want to go "old school" with buttons. Hope you can help.
@philomechtutorials
@philomechtutorials 10 жыл бұрын
TruWebs LLC Appreciate the feedback and question! I'm familiar with the circuit you're describing. I was actually working on a video about it right before I was swamped with work. An Arduino can certainly accomplish the desired behavior but you're right, using a microcontroller tends to take much of the "old school" fun out of it. Barring the usage of a microcontroller one is faced with the challenge of finding a way to have a single momentary button press latch one relay while at the same time unlatching another. Such isn't too problematic with two relays but things become significantly more challenging when one ups it to three+ relays, especially if one wants the ability to switch between three or more relays in most any order. It will likely be a few weeks before I can upload the video (I have a few other viewer requests to complete). But, I hope that the following comments will help. My circuit uses a 3 to 8 line decoder (74HC238) to control the latching/unlatching. Using this IC is cheating a bit in regards to being a technically/wholly "old school" solution but it doesn't require any code and the logic associated with the chip is interesting to think about and exploit. I'll do my best to upload the video as soon as possible. In the mean time I'd encourage you to check out the 74HC238's datasheet and see what you think. And, I would definitely appreciate hearing about any thoughts or ideas you might have.
@truwebs
@truwebs 9 жыл бұрын
philo mech Thank you for the response. I look forward to seeing your solution, as I have been looking for a solution for nearly a year. Unfortunately your mention of the decoder is just another piece of the puzzle that I do not understand. Overall, I am a complete novice. Or a DIYer that has visions and always looking for solutions within my abilities and tool set. :-) Sorry I can't give any comment on the datasheet. What I hope to accomplish is to ultimately control the light with a momentary switch control similar to the one listed on Amazon... www.amazon.com/dp/B008LT328Y/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=1CJ79FC37CJYW&coliid=I2U8W63HBWUM4Q I look forward to seeing your next video. Regards!
@philomechtutorials
@philomechtutorials 9 жыл бұрын
TruWebs LLC The video, or what seems more likely the case --videos, are definitely on the way. It looks like I'll have to break the build (and explanations) of each aspect of the circuit into a few videos. I'd rather the circuit be understandable and capable of being built by most rather than lacking in potentially helpful and/or needed detail. No worries about being unfamiliar with the decoder chip. I'll explain the parts of its functionality that are relevant to the circuit in the video. It's a neat chip and functionally understandable: specific input pins are set high or pulled low which in turn switch on/off specific output pins. There's not much more to it (at least as its used in my design). I reviewed the amazon link and controller. The major difference between the circuit I designed and the one embodied in the e-stop plus 3 button controller is that my circuit uses 4 normally open buttons --rather than two normally closed and two normally open buttons mentioned in the amazon description. One will still be able to reset all the relays by pushing a single button, as well as latch single relays in any order while unlatching all the others. Essentially, if the momentary button associated with relay 1 is pressed, relay 1 switches on and remains on while at the same time any other relay that happened to be previously latched on is unlatched. The same holds for the other two relays. Only one relay is able to be on at any given time but one can switch between any of the 3 relays in any order as well as reset the circuit back to a state where all relays are unlatched/off. It requires quite a few transistors, diodes, etc., and a bit of patience and care to assemble. But its interesting and reliably exhibits the behavior just mentioned. I had a selectable audio sound effects application in mind while designing but it should be helpful for your lighting application as well. If nothing else, it'll hopefully provide you with some helpful ideas. I greatly enjoyed designing/building the circuit and I hope that others will too.
@truwebs
@truwebs 9 жыл бұрын
philo mech Outstanding! Your efforts are greatly appreciated. Looking forward to your videos.
@philomechtutorials
@philomechtutorials 9 жыл бұрын
TruWebs LLC Just uploaded the first installment in the series on building a "Selectable Latching Relays Circuit". I'll be doing my best to upload all the videos in that series before the end of this week. I finally have a little free time and should be able complete and upload many of the videos that have been in stasis for the past few weeks. Hope they're helpful.
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