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RC Servo Switcher – Circuit Schematic
RC Servo Switcher
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5474 tips – Circuit Schematic
5474 tips
The Aristo ART-5474 Accessory Panel is a complete receiver intended to control accessories through the use of the A through E buttons on the Train Engineer tran...
IR DETECTOR CIRCUIT – Circuit Schematic
IR DETECTOR CIRCUIT
The circuit uses an IR phototransistor, Q1, to detect a remote control`s IR output signal. A PNP transistor, Q2, then amplifies Q1`s output and lights LED1. Tha...
REMOTE CONTROL TRANSMIITER – Circuit Schematic
REMOTE CONTROL TRANSMIITER
This transmitter sends an FM signal in the 88-to 108-MHz range, with a tone of 19 kHz. This can be used to activate the FM MPX pilot carrier indicator, which ca...
REMOTE CONTROL ANALYZER – Circuit Schematic
REMOTE CONTROL ANALYZER
A schematic diagram for the remote analyzer is shown. The circuit is powered from a simple 5-V supply, consisting of PL1, 51, T1, abridge rectifier (comprised o...
MAGNETOSTRICTION TV REMOTE CONTROL – Circuit Schematic
MAGNETOSTRICTION TV REMOTE CONTROL
Frequency of transistor oscillator is controlled by either of two lengths of nickel tubing, each looting inside form having two coil windings. One coil acts as ...
REMOTE TV VOLUME CONTROL – Circuit Schematic
REMOTE TV VOLUME CONTROL
Ultrasonic bursts from handheld transmitter are picked up by microphone and fed to ujt threshold detector 2N2646 that also generates trigger pulse. Two cascaded...
Remote control recetver – Circuit Schematic
Remote control recetver
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MC CONTROL TRANSMITTER – Circuit Schematic
MC CONTROL TRANSMITTER
Free-running multivibrator keys power amplifier Q4 at audio role. Range is about 1 mile C6 tunes collector of oscillator to crystal frequency. -Texas lnstrument...
ULTRASONIC CONTROL RECEIVER – Circuit Schematic
ULTRASONIC CONTROL RECEIVER
Five-stage amplifier Q1-5 amplifies both control signals, 38. 285 kc and 41. 805 kc, while Q6 and Q7 operate as class B detector-amplifiers to eliminate need fo...
PHONE RING REMOTE CONTROL – Circuit Schematic
PHONE RING REMOTE CONTROL
Repeater or other unattended equipment can be turned on or off with ordinary telephone Phone at remote station is called and allowed to ring three times Caller ...
Remote control fan regulator – Circuit Schematic
Remote control fan regulator
IR`s or bluetooth will work for short range, dedicated radio for longer range. Depending on what you choose it will alter your design. Since a fan only has a fe...
Rf Remote Control Transmitter Circuit – Circuit Schematic
Rf Remote Control Transmitter Circuit
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Serial Remote Control for the RIG RX-2 Receiver – Circuit Schematic
Serial Remote Control for the RIG RX-2 Receiver
This page describes my modifications to the RIG RX-2 receiver which enable it to be controlled remotely from a computer, using an RS-232 serial interface. The m...
Remote Control Circuit – Circuit Schematic
Remote Control Circuit
The circuit uses an IR receiver chip to receive the IR signal from the remote. The chip includes a bandpass filter and a demodulator, so the output is a logic s...
Upgrade your RC Transmitter with a DIY Tilt Motion Control Module – Circuit Schematic
Upgrade your RC Transmitter with a DIY Tilt Motion Control Module
The RC transmitter uses a potentiometer for each axis, it acts as a voltage divider sending a voltage of 0. 5V (the middle position corresponds to 2. 5V) to the...
Solent Radio Control Model Boat Club – Circuit Schematic
Solent Radio Control Model Boat Club
A "servo slower" which has now evolved into a Servo Controller. `Servo slower` units are used to reduce the slew-rate (traverse time) of proportional servos. Th...
General Infrared Remote Controlled Relay – Circuit Schematic
General Infrared Remote Controlled Relay
This relay circuit is controlled by almost any type of infrared remote controller. This circuit works on assumption that almost all remote controller use high.....
Simple IR Remote Tester – Circuit Schematic
Simple IR Remote Tester
Most cases of infra-red remote control failure can be detected by detecting the absence of the pulsed transmitted infra red light. It`s very rare that the.....
Remote On-Off Switch through Small Transformer – Circuit Schematic
Remote On-Off Switch through Small Transformer
This is a remote on-off switch circuit. With this circuit, we can take the benefit of using small switch to control larger AC current from high power devices.....