HT12D AND HT12E PDF

This project has been design around HT12E and HT12D encoder / decoder chips from Holtek. With jumper selectable address on the receiver. The HT12E Encoder ICs are series of CMOS LSIs for Remote Control system applications. They are capable of Encoding 12 bit of information which consists of 8. Robokits India HT12E & HT12D Encoder and Decoder IC for RF Modules [RKI- ] – The HT 12E Encoder ICs are series of CMOS LSIs for Remote Control.

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And the picture of the circuit done: I see you do not have jumpers to join each side of the power rails. Note there is a gap on both sides down the middle for the Blue and Red outer rails.

Best practice of using the breadboard is to use short solid wire leads and neatly connect flush to the board without large inductive loops. Keep IC’s close toegether and imagine that it is a printed circtuit board ht12w. Add decoupling caps close to the IC.

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Avoid long jumper wires at all costs. For fun here is a free tool to help design, layout and simulate. I’ve never tried this before but looks ok. Use staples for power and ground rails.

RF Remote Based Dc Motor Driver Using HT12E & HT12D

Don’t use wire with thick insulation. Try to get thin solid wire 24 AWG I believe.

Thanks for all your awnser, adn studying a little bit into the RF module I found out my problem, the left side of both encoder and decoder are the Address PIN, which means they will only communicate if those addresses are the same, that was what I was making wrong, I left them all at 1 and changed the resistors in them both cause the TX need to have 20 times the resistence of the receiver, in other words 50k and 1M resistors.

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Home Questions Tags Users Unanswered. Tony EE rocketscientist 62k 2 21 Ad Garcia da Rosa 2 3 7. Did you really need to post that many images without the full URLS, no less?

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ht12d & ht12e | EngineersGarage

I know but, and I’m going to sound like Olin here it should be easy to see how inconvenient it is, even for a new user. Yah but I agree. Remember I said check power? That means you need an inexpensive multimeter to do this.

All is working now, thanks to all. So, you are saying, when you grounded ht12ee the pins on the left of HT12D and 12E, it worked? I’m working on a similar circuit. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

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