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Sorry if this is datashee newbie question, which it probably is. Theory of operation and suggested circuits are provided in both data sheets. Yeah, forgot to state that I’m looking to be using 27mhz for the build. 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. Some of those may have operated at 27mhz.

LM Datasheet, PDF – Alldatasheet

Remember Me Forgot Password? The chip does a lot, but you still need to provide support circuitry to complete a project. Sign up now to remove ads between posts. If anyone could point me to any electronic schematics or any useful information in general, I would be extremely appreciative. Even though it makes my job much easier, I would also prefer to be making the eatasheet circuit without using an IC that does everything for me: May 04, Images View all Images in thread.


Posting Quick Reply – Please Wait. Here is the companion data sheet for the LM transmitter chip.

Welcome to the forum. Return to DIY Electronics. It works in conjunction with a companion transmitter chip, LM, lj1872 provide four channels of control.

LM datasheet, Pinout ,application circuits Radio Control Receiver/Decoder

Looking for 3 channel circuit diagram. The Arduino boards can also do that. So, there is not real schematics, but only programming examples. Pin 6 appears to be used to determine the number of transmitted channels in a prospective system. 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.

Any micro-controller having 3 analog inputs and 3 digital outputs can do the job. These devices are well suited for use at 27, 49 or 72 mhz.

Does it even matter what value they are? Last edited by whitecrest; May 04, at I’m assuming this forum is the right place to ask these kinds of questions, but if it isn’t Datashedt apologize.


Something like thisand shop? Bruce Abbott We want 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.

I’ve been searching for many hours and have yet to come upon any feasible circuits. Files View all Files in thread. daatsheet

LM1872 Datasheet PDF

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. Images View all Images in thread Views: 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 ,m1872. What do you use as HF transmission?