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| | '''theory:''' use the atmega 8 on the xenogc modchip to trigger a response required for the WKF to initialize iso loading.<br> | | '''theory:''' use the atmega 8 on the xenogc modchip to trigger a response required for the WKF to initialize iso loading.<br> |
| | '''proof of concept:''' haha, no proof to show yet, but initial testing promises good results <br> | | '''proof of concept:''' haha, no proof to show yet, but initial testing promises good results <br> |
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| − | the data below was gonna be an attempt to explain how to use a solid state relay which consists of an infrared led and a photodiode...<br>the main reason to use this component was to provide electrical isolation / protection...but i guess if you think about, whats the point of electrical isolation when the xeno and wiikey are all tied together anyways...<br> All this data will be removed, and new project direction will be presented..<br>
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| − | '''if anyone is seeing this, ignore EVERYTHING below....i need to figure out if i still want to use this data....'''<br>
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| − | ==Technical Data==
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| − | The foundation for Xeno Fusion is based upon basic LED connectivity.<br>
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| − | The diagram in figure 1 shows an LED connected to an Atmega8 (XenoGC) at pin PD5 and GND. Current flows from the anode to the cathode and a resistor is used for current limiting protection. <br>
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| − | '''fig. 1'''<br>
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| − | [[File:Xeno_fusion_example_LED.png|500px]]<br>
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| − | Atmega8L (XenoGC) operates at 3.3v and will deliver up to 3.3v @ 40mA output per pin.<br>
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| − | If an LED is rated at 2.0v forward voltage with up to 20mA forward current, then a current-limiting resistor value of 220ohms will provide 5.9mA of operational current which is under 20mA of forward current allowing a safe operation condition for the LED. Also the current-limiting resistor creates a 1.3v voltage drop. <br><br>
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| − | current = (( supply voltage - forward voltage ) / resistor value ) * 1000 <br>
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| − | current = (( 3.3v - 2v ) / 220 ohm) * 1000 <br>
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| − | current = (( 1.3v ) / 220ohm) * 1000 <br>
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| − | current = (( 0.0059 ) * 1000 <br>
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| − | current = 5.9 mA <br>
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| − | voltage drop = resistance * current<br>
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| − | voltage drop = 220ohm * 5.9 mA <br>
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| − | voltage drop = ~ 1.3v<br>
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| − | blah blah blah <br><br>other notes just for now: <br>
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| − | both xeno leds have 100ohm resistors<br><br>
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| − | xeno red led voltage across diode = 1.74v<br>
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| − | 15.6mA = ((3.3v - 1.74v) / 100ohm) * 1000<br><br>
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| − | xeno yellow led voltage across diode = 1.85v<br>
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| − | 14.5mA = ((3.3v - 1.74v) / 100ohm) * 1000<br>
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| − | total current draw = 30.1mA
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| − | ==Circuit==
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| − | add diagram and parts here
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| − | ==Glossary==
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| − | {| border="3" style="margin-left: 3em;"
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| − | ! colspan="2" style="background:lightblue;font-size:10pt" width="900"| Confusing terms easily explained
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| − | |-
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| − | ! scope="col" width = "200" | Reverse Voltage
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| − | | maximum voltage that can be applied to a component before it blows up
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| − | |-
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| − | ! scope="row" | Forward Voltage
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| − | | minimum voltage required by a component for normal operation. <br>(basically, it is safe to apply any voltage amount between "forward" and "reverse" )
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| − | |-
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| − | ! scope="row" | Maximum (or Continuous)<br> Forward Current
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| − | | maximum current that can be continuously applied to a component before it burns up
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| − | |-
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| − | ! scope="row" | Operational Current
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| − | | any amount of current provided to a component which allows save operation<br> (see Forward Current)
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| − | ! scope="row" | Current-Limiting Resistor
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| − | | a resistor used to protect a component from receiving too much current <br> (see Forward Current)
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| − | ! scope="row" | Max Peak Forward Current
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| − | | maximum current that can be applied during a brief current spike. <br> typically ignore this value and rely on the forward current the component can safely handle to determine the current limiting resistor value.
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| − | ! scope="row" | Voltage Drop
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| − | | the voltage difference from the power source subtracted by the forward voltage equals the voltage used by the current limiting resistor.
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| − | ! scope="row" | Transistor
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| − | | component used to amplify and switch electronic signals and electrical power. <br> (two types of bipolar transistors: NPN or PNP)
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| − | ! scope="row" | Relay
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| − | | electromechanical or solid state device used to provide a normally open or normally closed output when energized or de-energized
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| − | ! scope="row" | Diode
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| − | | component which allows current to pass in one direction and blocks current in the opposite direction
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| − | ! scope="row" | Infrared LED
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| − | | Light Emitting Diode which outputs light in the infrared spectrum
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| − | ! scope="row" | optical isolator
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| − | | component that transfers electrical signals between two isolated circuits by using light <br> (see Infrared LED)
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| − | ! scope="row" | Photodiode
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| − | | component capable of converting light into either current or voltage <br> (example: a solar cell is a photodiode)
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| − | ! scope="row" | Photodiode opto-isolator
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| − | | a device which consists of a photodiode paired with an LED. The LED provides a source of light, the photodiode detects the light and allows the flow of energy from an external source. <br> non-mechanical equivalent of a relay.<br>(see Relay)
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| − | ! scope="row" | ADC
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| − | | Analog to Digital Converter which can be used to measure voltage
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| − | |}
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| | + | [[File:XenoFUSION pinout.png|200px]] [[File:WKF slot voltage.png|200px]]<br> |
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