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Connecting the N8083 Modern-era alternating strobe for 8 LEDs
Installing the N8083 is very straightforward. Because the module has circuitry on both sides, care must be taken to be sure that the components or wires soldered will not make contact with any metal object which could cause a short circuit.
Included with the module are two 6” lengths of #32 insulated wire. If necessary, these can be used for power input wires. If used, we recommend the blue wire be used for the + DC connection at solder point 1 as shown in Fig. 1. This wire could also connect through a switch to the + DC connection for remote control of the effect. The other (green) wire should be connected to – DC (point 2).
Any well regulated DC power source can be used to power this module providing the voltage is at least 6VDC and doesn't exceed 18VDC. Our N3512 and N3518 Power supplies are ideal for this use. Also, due to the very low power consumption, this device can also be powered by a battery, such as a standard 9-volt.
Important note: A low-wattage iron with a pointed tip should be used for connection of wires. Too much heat or solder can easily damage the wires, decoder or module and void the warranty.
Also, all connecting wires should be pre-tinned before soldering them to the module. This will make connection quick and easy and ensure excessive heat is not applied to the solder points.
When connecting LEDs, proper polarity must be observed. LEDs are “polarity sensitive” and will not function if connected backwards. The N8083 is configured to connect 4 series-wired pairs of 20 ma red and/or yellow or orange LEDs with device voltages of 1.85-2.0 VDC as shown if Fig. 2 below. These LEDs will use the N8083’s on-board current protection resistor, plus an external resistor (81-ohm) of which 1 plus a spare are included in the package.
Use wire appropriate for the size of the LED and its placement in the model.
Figure 2 (below) is a schematic diagram of all connections required.
It is recommended that a thorough re-inspection of all connections and module placement be performed prior to applying power. We hope you enjoy the added realism our module provides.
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