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Pin 6 appears to be used to determine the number of transmitted channels in a prospective system.

Sorry if this is a newbie question, which it probably is. It works in conjunction with a companion transmitter chip, LM, to provide four channels of control. May 04, I’ve been searching for many hours and have yet to come upon any feasible circuits. If you must use discrete components, look up some old Heathkit radio control catasheet.

However for this receiver attached belowI have no idea what the values of B1, B2 or B3 are, nor is it mentioned anywhere on the website the image came from. Last edited by Magranon; May 04, at Sign up now to remove ads between posts.

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Any micro-controller having 3 analog inputs and 3 digital outputs can do the job. Looking for 3 channel circuit diagram Hey everyone, I’m looking to build a simple RX and TX with encoder and decoder from scratch for an upcoming RC plane project.

Originally Posted by Magranon. Originally Posted by Magranon I have no idea what the values of B1, B2 or B3 are, nor is it mentioned anywhere on the website the image came from. I have no idea what the values of B1, B2 or B3 are, nor is it datwsheet anywhere on the website the image came from.

LM Datasheet, PDF – Alldatasheet

Looking for 3 channel circuit diagram. Here is the companion data sheet for the LM transmitter chip. I found a few circuits, but I am a bit unsure about the usage of these ICs. The Arduino boards can also do that. Theory of operation km1872 suggested circuits are provided in both data sheets. These devices are well suited for use at 27, 49 or 72 mhz.

National Semiconductor LM Series Datasheets. LM, LMN Datasheet.

Posting Quick Reply – Please Wait. Thanks for informing me about the IC, I’ll definitely be using it for my project. Thank you for your quick replies! I’m assuming this forum is the right place to ask datasehet kinds of questions, but if it isn’t I apologize. Datasheeet Abbott We want So, there is not real schematics, but only programming examples. Images View all Images in thread. Files View all Files in thread.


Radio Control Receiver/Decoder

May 06, Something like thisand shop? Some of those may have operated at 27mhz. Yeah, forgot to state that I’m looking to be using 27mhz for the build. The chip does a lot, but you still need to provide support circuitry vatasheet complete a project.

Even using the IC, it should provide plenty to do. Welcome to the forum.

(PDF) LM1872 Datasheet download

The only criteria of the build are that it should preferably have 3 channels and that it must be able to control the rotation of two servos and the speed of the main motor. Even though it makes my job much easier, I would also prefer to be making the whole circuit without using an IC that does everything for me: What do you use as HF transmission? Last edited by whitecrest; May 04, at