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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Be the first to write a review. Easy Interface with and RF or an Infrared transmission medium. Add decoupling caps close to the IC.

Note there is a gap on both sides down the middle znd the Blue and Red outer rails. The Decoder receive the serial address and data from its corresponding decoder, transmitted by a carrier using an RF transmission medium and gives output to the output pins after processing the data. That means you need an inexpensive multimeter to do this.

This ICs are paired with each other. And the picture of the circuit done: Thanks for all your awnser, after studying a little bit into the RF module I found out my problem, the left side of both encoder and decoder are the Htt12d 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.


TB Stepper Motor Driver 4.

RF Remote Based Dc Motor Driver Using HT12E & HT12D

Use staples for power and ground rails. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. Full Name Email Address. So, you are saying, when you grounded all the pins on the left of HT12D and 12E, it worked? Email Required, but never shown. Home Questions Tags Users Unanswered. Easy to Use, Versatile Robotics Kits Don’t ad wire with thick insulation.

I see you do not have jumpers to join each side of the power rails. Yah but I agree. Avoid long jumper wires at all costs. Guilherme Garcia da Rosa 2 3 7. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of anndprivacy policy and cookie policyand that your continued use of the website is ht21d to these policies.

Sign up or log in Sign up using Google. Thanks a lot for helping us to maintain competitive prices. Customers who bought this product also purchased Photograph just for reference. Found this item with same quality and at a lower price but prefer to buy from robokits. Please submit the url of the better price you ht2d.


For fun here is a free tool to help design, layout and simulate. Mercury ball tilt switch 5mm dia. I’ve never tried this before but looks ok. We will lauch an immediate investigation and try our best to beat the price, if it proves to ad the same product. Post as a guest Name. 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.

ht12d & ht12e | EngineersGarage

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Did you really need to post that many images without the full URLS, no less? Buy 15 or more pieces to get Free Shipping Option Availability: Keep IC’s ht12x toegether and imagine that it is a printed circtuit board layout. We will notify you the result by email.

All is working now, thanks to all. Try to get thin solid wire 24 AWG I believe.

Tony EE rocketscientist 62k 2 21 Sign up using Email and Password. Remember I said check power? Sign up using Facebook.