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Does it even matter what value they are? Yeah, forgot to state that I’m looking to be using 27mhz for the build. Here dataaheet the companion data sheet for the LM transmitter chip. Posting Quick Reply – Please Wait.

Something like thisand shop?

LM 데이터시트(PDF) – National Semiconductor (TI)

P Having clocks in the circuit would be fine though. These devices are well suited for use at 27, 49 or 72 mhz. Sign up now to remove ads between posts. Some of those may have operated at 27mhz. 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. It works in conjunction with a companion dagasheet chip, LM, to provide four channels of control.

May 04, Images View all Images in thread. The Arduino boards can also do that.


(PDF) LM1872 Datasheet download

Even using the IC, it should provide plenty to do. I found a few circuits, but I am a bit unsure about the usage of these ICs. Originally Posted by Magranon I datzsheet 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 Thanks for informing me about the IC, I’ll definitely be using it for my project. Theory of operation and suggested circuits are provided in both data sheets. 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.

If you must use discrete components, look up some old Heathkit radio control circuits. Looking for 3 channel circuit diagram. Images View all Images in thread Views: Return to DIY Electronics. Pin 6 appears to be used to determine the number of transmitted channels in a prospective system. Last darasheet by whitecrest; May 04, at Files View all Files in thread. Remember Me Forgot Password?

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: So, there is not real schematics, but only programming examples. I’m assuming this forum is the right place to ask these kinds of questions, but if it isn’t I apologize. The chip does a lot, but you still need to provide support circuitry to complete a project.


I have no idea what the values of B1, B2 or B3 are, nor is lm1782 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. Sorry if this is a newbie question, which it probably is.

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

If anyone could point me to any electronic schematics or any useful information in general, I would be datasheft appreciative. Welcome to the forum. May 06, Any micro-controller having 3 analog inputs and 3 digital outputs can do the job.

Thank you for your quick replies!

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. Originally Posted by Magranon. What do you use as HF transmission? Bruce Abbott We want