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Range

Make this IR Remote Control Range Extender Circuit

Last Updated on November 27, 2024 by Swagatam 57 Comments

IR to RF

In this post I have explained how to increase or extend the range of an ordinary infra red or IR remote control through a 433MHz RF remote control system. IR Range Extender Concept The idea of this circuit is to feed the IR data from an IR transmitter into the transmitter input of an RF […]

Filed Under: Remote Control Circuits Tagged With: Control, Extender, IR, Range, Remote

27 MHz Transmitter Circuit – 10 Km Range

Last Updated on January 19, 2025 by Swagatam 19 Comments

27 MHz prototype

The 10 km range, 27 MHz transmitter circuit explained here uses citizen’s band which consists of 2 main types of users: radio control (R/C) modellists and users of low-power FM transceivers for local communication. However, here it is designed and intended for testing antennas and aligning receivers. It is actually an AM/FM quartz controlled for […]

Filed Under: Transmitter Circuits Tagged With: Range, Transmitter

Long Range Transmitter Circuit – 2 to 5 Km Range

Last Updated on February 1, 2020 by Swagatam 179 Comments

The proposed long range transmitter circuit really is very steady, harmonic free design which you can use with standard fm frequencies between 88 and 108 MHz. Technical Specifications of the Transmitter This will likely encompass 5km spectrum (long range). It includes an extremely consistent oscillator for the reason that you employ LM7809 stabilizer that is […]

Filed Under: Transmitter Circuits Tagged With: Long, Range, Transmitter

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