---------------------------------DRONE PROJECT SIMULATION-----------------------
This is a simulation with 1 LED module and the primary controller used for resetting the cycle of LED flashes. Even though there are 9 LED modules connected in paralell to each other, the current through the main wires(the ones that are connected to the 12V power supply from the drone) should be the same as only ONE LED module flashes at one point of time. Therefore, the current through the main wire will be the same even with 9 LEDs.
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Short Description on the Components used:
12V Power Supply: 12 V that would be supplied from the Drone
Microcontroller Output: The ATtiny85 outputs 5V.
Primary Microcontroller Output: The primary controller ATtiny85 outputs 5V.
ZTX688B: This is the power transistor we are using. Please look at the SPICE Models.txt for more information.
LED: Each LED module will have 4 LEDs which will ensure 360 degree visibility. The model of the LED is XPGDWT-01-0000-00M50. Please look at the SPICE Models.txt for more information.
R1(resistor to the base of the transistor in the LED modules): 6.8k --> gives DC current gain=>(beta)=LED_i/ transistor_base_i = 811.6
R2(resistor to the base of the transistor in the primary controller)2k --> gives DC current gain=>(beta)=collector_i_primary/ primary_transistor_base_i = 236.3
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Some more information:
The Microcontroller Output and the Primary Microcontroller Output is set to turn on at 100ms to show the turning on of the primary controller and the 1st LED module. Since a microcontroller cannot be simulated here, the function of the circuit, which is sequential turning on and off of LEDs cannnot be achieved here; only the turning on of the primary controller and the 1st LED module.
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