LED Volt Meter LM3914 for Tuning Cars - PCB Tutorial
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- Опубліковано 7 сер 2024
- ► $2 for 2-Layer PCBs & $7 for 4-Layer PCBs: jlcpcb.com
This circuit is able to indicate the charge level of a battery, and is designed for 12V batteries.. each LED represents 1.2V (12V / 10 LEDs).. and during normal operation the first Red LED indicates 8V while the last Green LED indicates 12V. You can make the calibration of the Volt Meter by put 12V on the circuit and turning the trimmer until all the LEDs turn ON. With the special round design of this PCB we can use as Volt-Meter car Tuning!
What is a voltmeter?
A voltmeter is an instrument used for measuring electric potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog-to-digital converter. Voltmeters are made in a wide range of styles. Instruments permanently mounted in a panel are used to monitor generators or other fixed apparatus. Portable instruments, usually equipped to also measure current and resistance in the form of a multimeter, are standard test instruments used in electrical and electronics work. Any measurement that can be converted to a voltage can be displayed on a meter that is suitably calibrated; for example, pressure, temperature, flow or level in a chemical process plant.
After trying the excellent service offered by JLCPCB I recommend it, the quality of the PCB is high, customer service is always available and professional, the time of realization is short and the delivery of PCBs is by express courier. JLCPCB is a great place to get hight quality custom circuit boards at an extremely low price, you can buy 5 PCB Boards (Any Color) for 2$ !!!
More About JLCPCB: support.jlcpcb.com/collection...
Components:
- 1x LM3914 IC [ bit.ly/3kiRAlF ]
- 1x Dip 18 Pin [ bit.ly/3kc9Ixw ]
- 1x 56KΩ Resistor [ bit.ly/2ytgn3e ]
- 1x 18KΩ Resistor [ bit.ly/2ytgn3e ]
- 1x 10KΩ Trimmer [ bit.ly/3cyvozr ]
- 1x 3.9KΩ Resistor [ bit.ly/2ytgn3e ]
- 5x Red LED 3mm [ bit.ly/39vXOd0 ]
- 2x Yellow LED 3mm [ bit.ly/39vXOd0 ]
- 4x Green LED 3mm [ bit.ly/39vXOd0 ]
- 1x 1KΩ Resistor (optional) [ bit.ly/2ytgn3e ]
- PCB: (Ready for jlcpcb.com): bit.ly/30gv59d
*Don't use my PCB for profit or sponsored videos.
My Car Video: • My Ford Fiesta MK7
My Drone Video: • DRONE Exploration & FPV
Chapters:
0:00 - Intro
0:33 - Circuit Explanation
2:30 - JLCPCB Upload
3:07 - Unboxing
4:14 - Volt-Meter Assembly
7:18 - TEST
9:16 - Car TEST
10:16 - END
**JLCPCB have a Technical Support for exporting Gerber files from many software at this link: support.jlcpcb.com/category/2...
For any other questions you can ask me for explanations in the video comments:)
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Look this: • Vu-Meter Stereo -20 +3...
WARNING: This video is only for demonstration. I don't take any responsibility for damage to things, people and animals.
#LM3914 #Voltmeter #Tuning - Наука та технологія
Man! I guess you are obsessed with this chip! :) I have seen your videos from years ago about how to hookup these chips correctly and that is how I came to know about these amazing bargraph displays.. now, years later i see you are still doing cool stuff with this 😊 Keep up!
LM3914 - LM3915 - LM3916 they are among my favorite ICs, as they allow me to create various types of LED indicators, meter etc :)
O yea !
My friend... Thank u so much for the knowledge. I hope you have more ideas like this for cars. THANK YOU!!!
Thanks for appreciating my work!
I will definitely bring other car ideas =)
Haha! I love the drone delivery. 😆
It would be nice to be able to choose that type of delivery for urgent things ;)
Conclusione... ho ordinato i PCB da JLCPCB e sto seguendo i tuoi link su Banggood per i componenti (da aggiungere a quelli che avevo).
Peccato per per un LM3914 occorrano 75 giorni di attesa, e mi sballa il regalo di Natale :-D
Che dire? I tuoi video sono "addicting"! :-D Continua, e vauta l'opzione di prepararne anche a richiesta...!
Haha grazie mille! nei miei video adoro mostrare l'elettronica, ed i circuiti, da un punto di vista molto vicino, è uno stile che mi piace ed aiuta molto chi sia intenzionato a replicare i progetti che pubblico.
Strano 75 giorni di attesa, a parte un caso isolato che un componente ci mise 4 mesi ad arrivare, i miei componenti sono sempre arrivati non più di 45 giorni dopo l'ordine, certo è comunque tanto, ma si risparmia, soprattutto quando non hai fretta! e con tutte le fiere annullate quà diventa quasi impossibile trovare qualcosa...
Ho già provato a realizzare qualche progettino "su richiesta" diciamo, qualche idea l'ho presa come spunto dai commenti di alcuni che chiedevano: fai quello, fai quel progetto ecc :)
Faccio così in modo da riuscire a realizzare solo i progetti che sono in grado di fare bene, che mi piacciono e che non richiedano tempi eccessivi.. ad esempio prima di natale dovrei riuscire a pubblicare un video (con PCB) di un Vu-Meter 20 LED con la funzione DOT/BAR che da tempo mi scrivono di fare xD
@@Stefano91ste Allora mi ci metto anch'io...
Fermo restante il "bello dei "LEDRGBCHEFANNOFAREPIUFPS", considera anche qualcosa per BF, tipo pre-ampli-equalizzatori, effetti per strumenti con o senza microcontrollore, e a componenti discreti. Io ho una valanga di circuiti del genere da realizzare, e ora che mi è ripresa la "scimmia" credo inizierò a seguire le tue orme :-)
Allora vedrai che ti divertirai :)
Ho anche io diverse idee e progetti che vorrei realizzare, con il tempo si farà tutto! Prossimamente vorrei cimentarmi anche nel mondo dei droni FPV arrivando a costruirmene uno da zero, scegliendo tra le componenti migliori.
Please make a video on how to make an inverter with feedback.
Bel progetto ☺️ Io avrei messo nella parte top del pcb solo i led e dietro tutto quanto.
Grazie, è un’ottima idea in effetti😁
Excelente trabajo. Felicidades.
Me cuesta entender por estar todo en inglés.
Gracias :)
Exelente trabajo y proyecto.. disculpa que programa utilizas para los circitos saludos
- Hola, uso Sprint Layout 6 para diseñar los PCB
- Hi, I use Sprint Layout 6 to design the PCBs
@@Stefano91ste ok me podrás apoyar o ayudar con un archivo que estoy asiendo en ese programa apenas estoy aprendiendo a usarlo. te puedo enviar los archivos por favor Gracias
Dear I need 0v to 24v volt dc volt meter ...please make as possible soon. ...
Nice Project Stefano!!! congratS!!!
Please!! Voltmeter in dot mode with 2 lm3914 and 20 led From 10.3 volt to 15.8 volt. Step by step 0.3 volt. more acruacy!
Please
!!
Sorry mi English
Best regarts from Argentina
Thanks you
Thank you Walter!:)
I'll be making more voltmeters soon
@@Stefano91ste thanks soo much stefano!!! you are a genious!!!!
best regards!!!
Thanks again :) best regards!
Hey Stefan I like this a lot.. do you mind if I copy this and make one for my truck and my boat? I am 68 and not much of an electronics fellow.. (I just started to teach myself 2 years ago for something to do in the winter time). I am not sure how to get the folks at this jlcpcb place to make me a board.. But if you agree to let me copy this a couple of times maybe you can also help me to get these ordered.. You have a great video program here. I have been watching for a little over a year now and have learned a few things here.. I was a carpenter all my life and I appreciate the smoothness in which folks that are good at what they do work.. I am trying to be only a fair worker with electronics.. since my age tell me I won't be here long enough to make a good one.. Take care little brother.. carry on and remember to have fun in life.. that is one of the most important things you can do..
I'm also a beginner in circuitry. I ordered my first set of PCBs from JLC like a month ago. I got a set of Stefano's hand clap PCBs and a set of LED boards that BigClive made available for download. It was super easy and super quick!
If you watch this video at 2:30 he shows exactly how to place the order for these boards on the JLCPCB website.
You just download the file from the link he has in the video description ( bit.ly/30gv59d ) and upload it to JLCPCB, pick the color, then add to cart. The rest of the checkout is pretty much like any other checkout process for buying things online.
I'll say, getting my very first order of PCBs was really exciting! :D
Hi tinkmarshino,
I thank you so much! Of course you can make my PCB - in the video description I shared the pcb file, to be uploaded directly to the site (jlcpcb.com) and order 5 PCBs for $ 2 + shipping costs. I share my PCBs so that those who see my videos can replicate them for personal or educational use :)
Use this procedure to order PCBs
1) Download the project files (link in video description) or here: bit.ly/30gv59d
2) Register on jlcpcb.com/ if you don't already have an account
3) Follow the procedure in this video starting from 2:30
NB: You can choose the color you want for the board.
If you need more help completing your order, ask me here!
Thank you BRUXXUS =)
@@Stefano91ste Thanks Sephan.. that is kind of you.. I will do just that.. what fun this will be..
@@Stefano91ste Very welcome! :D
Need this circuit for my project please send me all details or this pcb
Hi, you can download pcb files from video description and order PCBs on jlcpcb
I need this pcb please send me price
Hi, i don't sell PCBs, in video description you can find a link for download PCB files (for free)
2nd comment
Binod
Sir lock down Mei bhi China se aa gaya
Hi, there is no total loockdown in China today
Binod
@@Stefano91ste binod
@@Stefano91ste you khow hindi
@Rajvansh Singh - what is "binod" ?
@Shishab Biswa - No, I don't know Hindi, I am Italian, but sometimes I can help me with the google translator and then I answer in English :)