easydetect and easydetect deluxe model train detector kits
Contents
1. Deluxe Train Detector featuring 4 phototransistor detection points BLD calibration trimmer transistor ototransistors 3 status indicator led Calculate Resistor Values from Color Codes Brown Black Red Gold Calculate Resistor Values from Color Codes Green Blue Brown Gold Resistance Value Roms 44705 Resistance 550 ohms 5 1k ohm resistor 560 ohm resistor 1 make sure the board is laying face up so that the silver lines between the holes are laying face up as shown start by placing the 2n3904 transistor thru the 3 holes in the circuit board and solder place please note the transistor has a rounded side and a flat side so make sure you install the transistor the right direction as it appears in the pictures flat side facing out clip off the excess length of the transistor leads on the bottom of the board after soldering 3 place the board resistor 1k Ohm brown black red gold as shown and solder in place note it does not matter which end of the resistor goes where clip off the excess length of the resistor leads on the bottom of the board after soldering 4 place the calibration trimmer in the holes as shown and solder in place 5 place color coded wires in the holes to run to the phototransistors 1k ohm resistor Power2. ah Hp transistors Before we go any further let s discuss the various means of detecting a model train and their advantages versus disadvantages 1 Current Detection In a current detection scenario your layout is divided into electrical blocks When a locomotive enters that block it draws current that can be detected This is how real railroads detect trains Unfortunately to do this on a model railroad more than just the first locomotive needs to draw current This means you have to equip all or most of your cars with resistors or resistive paint between the wheels For this reason we did not use current detection because you would have to spend a bunch of money and time to modify all of your Cars 2 Optical Detection This is the method our detector uses in a very simple inexpensive way Our circuit uses 2 phototransistors or 4 ohototransistors in our Deluxe Kit to detect the ambient light on your layout When something a loco or car covers at least one of the ohototransistors the detector circuit is activated This is like an electronic switch that is turned on or off depending on whether it senses light or darkness You can use our easydetect circuit to turn on a led at your control panel so you know where on your layout a train is located useful in hidden staging yards or to turn on and off a crossing flasher kit like the one we sell The disadvantage to our circuit is that there must be enough light on your layout
3. there is a calibration adjustment you can make to adjust for most lighting levels more on this later and if you are using it to turn on off a crossing flasher your train must be long enough that the 1st phototransistor will still be covered buy car as your locomotive goes over the 2 ohototransistor Of course there are other optical detectors that either use ambient light or infrared emitter detectors but they are a lot more some cases 3 times as much ASSEMBLING YOUR DETECTOR KIT You will need the following tools and supplies to assemble and install your detector kit small pencil size soldering iron with fine tip Rosin core solder some small diameter 24 30 gauge wire to connect the phototransistors to the circuit board wire to connect to your 6 12 volt DC power supply and wires to connect to your load Your load can be our crossing flasher kit an led mounted on your control panel rr heat shrink tubing or electrical tape to insulate the leads of the ohototransistors er drill to make holes between the rails of your model railroad track for the 2 ohototransistors Please look at the picture below to identify the parts and where the parts go on the circuit board note that the phototransistors look just like 3mm leds easydetect 2011 Model Train Detector Kit calibration trimmer transistors transistor status indicator led easydetect
4. 4 phototransistors in our Deluxe Detector Kit Phototransistor wiring dlagram u Powe hpu sjt 4 1 22122 523 easydetect deluxe detector with 4 phototransistor detection points the detector kit will not work if the train Is so short that the solution is to place the 2 phototransistors it fits between the 2 phototransistors closer together or use a longer train Thanks again for purchasing our new train detector If you have any questions or problems please call us at 503 377 8247 or email sales quickar com
5. Input pomarin a LALEJASASLALLESSSASLLESASANI TT Sretrrerrrrr tir LSLE Note that black wires go to the short legs of the phototransistors While the red wires go to the long legs of the phototransistors Phototransistor wiring dlagram Posie bo Powa easydetect deluxe detector with 4 phototransistor detection points 6 determine how far apart you want to place the phototransistors and trim the wires to length 7 either slip some heat shrink tubing over the ends of the wire before soldering the wires to the phototransistors or use electrical tape to insulate the legs of the phototransistors make sure that the long leg of each phototransistor is soldered to the correct color coded wire that then goes to the correct hole on the circuit board 8 Drill holes between the rails where you want your phototransistors to detect the train and insert the phototransistors in the holes so the rounded tops are facing upwards 9 solder color coded wires in the holes as shown for power to the kit and power to control your load follow the pictures and don t get them mixed up as connecting the kit backwards could destroy the kit J wal m Se power in wires to aA htija a ai Calibration Testing and Connecting to other Circuits We supply the kit with a red led for testing and calibration purposes if all you need is to know where y
6. but is for sale separately from the detector kit Positive gt Power Input gt gt Lot 1 Below is the wiring diagram for interfacing to our Crossing Flasher Kit and the Red Status Indicator both at the same time revrrrerrrrr 4 BELOW IS OUR WIRING DIAGRAM FOR INTERFACING OUR DETECTOR KITS TO A 12 VOLT DC RELAY Pictured below is a wiring diagram for interfacing with a generic 12 volt DC relay Things to bear in mind when interfacing to a relay 1 Relay Selection your relay must be a relay whose coil will operate reliably with 12 volts dc and 20 milliamps or less of power 2 Your power supply for you load should not exceed the relays contact rating Positive power in gt long leg of led J 1 E be 560 ohm currant limiting ih 3 resistor for red led of H tong loa long leg of phototransistor Phototransisior 1 Phototransistor 2 easydetect circuit interface to status led and Relay Pictured below is wiring diagram showing how to interface with 12 volt relay we sell in our Detector with Relay Positive power in lang leg of led power supply for load long log of R tana ine st tong leg of 5 phetotransister Phototransistor 1 Phototraneletor 2 easydetect circuit Interface to status led and Relay Things to bear in mind when interfacing to a relay 3 Relay Selection your rela
7. easydetect easydetect deluxe model train detector kits 2011 2012 Quickar Electronics Inc INSTRUCTIONS AND DIAGRAMS REVISED APRIL 17 2012 Please note that the color of the calibration trimmer may be orange instead of the black pictured depending on what brand of trimmers are available Features Set Up Calibration User Manual and Assembly Instructions Thank you for purchasing our new detector circuit kit for model railroads This kit can be used to provide a visual indication at your control panel of trains in hidden staging or it can also be used to turn on and off your crossing flashers at grade crossings Features Least expensive train detector kit available Easy To Assemble even for someone who has never built an electronic kit Small Size so you can hide it virtually anywhere Easy to install on your layout only 2 small holes needed between the rails so it is almost invisible Uses very little power requires a 6 to 12 volt dc power supply and uses only 10 20 milliamps easydetect 2011 Model Train Detector calibration trimmer Lin ee j 0 JH transistors transistor kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk easydetect Deluxe Model Train Detector Kit A featuring 4 phototransistor detection points gt F calibration trimmer ototransistors er ar ET transistor
8. ights off in your layout room or if the lights are not bright enough One way around this would be to install light posts on your layout above the phototransistors see diagram below 9 Remember that at least one of the phototransistors need to be covered for the detector circuit to be activated If your train is too short you could have a situation where the detector comes on when the engine covers the first ohototransistor but shuts off before the train reaches the crossing because the 1st phototransistor gets uncovered before the 2 phototransistor gets covered Thanks again for purchasing our new train detector kit If you have any questions or problems please call us at 503 377 8247 or email sales quickar com see illustration below for proper spacing of your phototransistors and for wiring the phototransistors in our Deluxe 4 Point Detector kit Phototransistor wiring dlagram Positive bo Power fi long lead long eng ined easydetect deluxe detector with 4 phototransistor detection points 1 1 Both phototransistors covered lt l detector 15 still activated 2 Train is leaving one phototransistors 15 still covered detector Is still activated Train ls leaving detector shuts off As shown in the above pictures Please note that as long as at least one of the phototransistors is covered the detector
9. is still activated so if the train stops and backs up as long as at least one phototransistor is covered the detector will work Things to remember before buying or installing your detector kit so your detector kit works properly 10 the detector will not work if you turn the lights off in your layout room or if the lights are not bright enough One way around this would be to install light posts on your layout above the phototransistors see diagram below you could install lamps over the phototransistors and turn the lamp posts on so the detector will still work at night if you turn out the lights over your layout or dim them to simulate nighttime Phototransistor 2 Things to remember before buying or installing your detector kit so your detector kit works properly 11 Remember that at least one of the phototransistors need to be covered for the detector circuit to be activated If your train is too short you could have a situation where the detector comes on when the engine covers the first phototransistor but shuts off before the train reaches the crossing because the 1st phototransistor gets uncovered before the 2 phototransistor gets covered See picture below The remedy is to either move the two phototransistors closer together or use a longer train or you can purchase our Deluxe Detector Kit that features 2 extra phototransistors for a total of 4 detection points See Wiring Diagram Below for wiring the
10. our train is at you can mount this led at your control panel by using some long wires Below is the Wiring Diagram for connecting your Red Status Indicator Led that is supplied with the kit 560 ohm current limiting resistor for red lad 8 long leg of long eg of Phototransistor Phototransistor 2 easydetect circult interface to status led Apply 6 12 volts DC power to the power input wires on the kit as per the picture above lf the lights are fairly bright in your layout room the red led should light up when you cover either one of the two phototransistors with your finger If the red led does not light when you cover either one or both of the phototransistors then while keeping at least one of the phototransistors covered take a small screwdriver and turn the calibration trimmer until the red led turns On start by turning the calibration trimmer a small ways to the right then cover either one or both of the phototransistors again by turning to either the left or right you should find a spot where the status led turns on when you cover one of the ohototransistors if you still cant get it to work try increasing the light in you layout room maybe try a small clamp on lamp over one of the phototransistors and try adjusting the calibration trimmer again it should work Below is the wiring diagram for interfacing to our Crossing Flasher Kit The crossing flasher kit is not included
11. y must be a relay whose coil will operate reliably with 12 volts dc and 20 milliamps or less of power 4 Your power supply for you load should not exceed the relays contact rating see the pictures below for proper placing of your phototransistors and extra lighting options if your layout room has dim lighting CONGRATULATIONS That s it you are done Troubleshooting If the red led does not come on regardless of which way or how far you turn the calibration trimmer then check the following 1 are the phototransistors wired correctly so that the long leg of each ohototransistor is connected to the correct wire that goes the correct hole 2 check to see that all your soldering connections are nice and strong 3 check to see that the 2n3904 transistor is installed facing the right direction 4 check to see that you have the positive and negative wires that power the kit are connected correctly to you 6 12 volt dc power source 5 MAKE SURE YOUR POWER SUPPLY IS DC NOT AC 6 check to see that your 6 12 volt power supply is turned on you can check that by connecting the red led 560 ohm resistor combination directly to your 6 12 volt dc power supply make sure the 560 ohm resistor is soldered to one leg of the led or it could blow up the led 7 check to see that the red led 15 wired correctly if it is backwards it wont hurt the kit but it wont light up either 8 the detector will not work if you turn the l
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