CET 3615 Prof. M. Bustamante Final Lab Project Lazer Alarm Meet Guleria Eric Cholula-Martinez Date: 05/10/2018 Table of Content Page Number Objective ------------------------------------------------------------------------------------------------------ 2 Materials Required ------------------------------------------------------------------------------------------ 2 Abstract ------------------------------------------------------------------------------------------------------- 3 Op-Amp Brief Explanation----------------------------------------------------------------------------------4 Op-Amp 741 Explained--------------------------------------------------------------------------------------4 Op-Amp 4017 Explained-------------------------------------------------------------------------------------4 …show more content…
Pin 2 is connected to LDR (photo sensor) and pin 3 to 1 kΩ resistor, which makes the laser light on the LDR have a low resistance, making the 741 op-amp stop the buzzer from going off. When the laser light is interrupted the LDR resistance will increase, which hits a point less than that of resistor making the 4017 ic op-amp to switch to the output pin 1, because of that the power supply to LDR being cut off allowing the buzzer to go off. Pin 7 the voltage is coming in through it while pin 4 is connected to the …show more content…
And the switch is connected to the pin 15 which is for Reset, after pressing the reset button 4017 switches the outpin back to 0. Hence, the whole process resets and buzzer goes (making sure that the lazer is pointing at the LDR). The pin 14 of 4017 is connected to pin 6 of 741 in order give input to the clock. LDR (Photoresistor): LDR plays a vital role here, as the whole circuit is designed around the resistance of LDR. The LDR resistance is dependant on the light intensity, when the laser is pointed at LDR it has low resistance but as soon as the signal is broken and there is no light being pointed at LDR its resistance goes high making the buzzer go OFF. Schematic: Procedure: 471 Op-Amp pin 2 to photoresistor, connect photoresistor to 4017 Op-Amp pin 3 471 Op-Amp pin 3 to 1KΩ resistor, connect 1kΩ resistor to both 471 Op-Amp pin 7 and push button pin 1 Push button pin 2 is connected to 4017 Op-Amp pin 15 (RES), connect pin 15(RES) to Op-Amp 4017 pin 4 471 Op-Amp pin 4 is grounded 471 Op-Amp pin 6 to Op-Amp 4017 pin 14 (CLK) 471 Op-Amp pin 7 to battery, connect battery to ground Op-Amp 4017 pin 2 to buzzer, connect buzzer to
Lastly, put finger on the caliper that infront on the right hand side of the throttle and applied some force to slow down the motocycle.
As these flip-flops have a positive edge trigger for the clock input, this means every time the clock input goes from LOW to HIGH, it triggers the flip-flop, updating the Q output to whatever the D input is, assuming the SET and RESET inputs of the flip-flop are both inactive, which they are in this circuit (Digital Electronics, 2014). At the start, the D input will be HIGH, because D is connected to the inverted Q output (PyroElectro, 2013). However, the 555 timer has a HIGH output at the start, but due to the fact the flip-flop triggers when the clock input goes from LOW to HIGH, the counter still starts off counting from 0, because it takes one count for the clock to go back to LOW then to HIGH again. As the clock counts, every second count of the previous flip flop will cause the next flip-flop to change state. Thinking back to simple binary theory, this makes sense. As a digit in binary is double the previous one, every second time the previous digit changes state, the next digit should change state once. As this is a four bit counter, once the fourth digit changes state from HIGH to LOW, the counter resets, and counts from zero
As mentioned earlier, this process is broken down into three different segments. The two-tone speaker was constructed using both active and passive components as alluded to in the introduction. The relaxation oscillators were responsible for the generation of the two noise tones, the switching of the tones and the frequency at which the tones switch. It is then passed through a 1k resistor and finally through a transistor which is connected to the tone section of the circuit. The transistor in this case acts as an amplifier, and its main purpose is to amplify the final signal and supply it to the speaker, making it audible. The simulations are tested and recorded under section
After you finish wiring your circuit, you will need to add the hardware pin assignments. There is a DE2 Pin Assignments file included in lab project
By erasing it and entering the reload command, you will be able to configure the switch from scratch.
Turning on the ps4. External: I press the power to turn on the ps4. Internal: The power button is connected to the motherboard and the operating unit, which controls the setting of the console and its system.
everything is okay; lower the car off the jack stands. Now that you're on flat ground, check the
Click the arrow in the bottom right corner of the screen to proceed to Slide 2 and begin the Click and
Select one of the eight leaders discussed in the Wills' text in Chapters 1 through 8 and discuss why a consideration of his or her leadership at a former point in time is important to an understanding of leadership today. Note: This activity will require that you read about the leader in additional sources. Be sure to properly document any additional sources you use.
It is very important to try hard to reduce your chances of getting an illness or getting injured. For example, when you go snowboarding during the winter, it is very important that you wear enough clothing to stay warm and don’t get cold. Also, it is important that you wear protective gear to keep you safe. Also, if you have a certain disease, it is important that you take care of it. Like for people with asthma, they have to make sure they take their medication so that they can reduce the risk of them having an attack. Another thing you can do is make sure you get vaccinated for diseases. I hope that through this issue, you can learn the different ways to reduce your chances of getting an illness or infection.
Push the hammer pin out and then re-move the hammer. Retain the disconnector with trigger pin and pull out the old trigger pack. We are now ready for Echo trigger pack installation. 1ST place the spring in the trigger mechanism and avoid pulling the trigger. The rear lock is pulled down to have the trigger lock in place. The Fostech gets placed inside the receiver and the trigger pin drops back into
2. Set the battery voltage to 10V where the positive is on the right of the battery.
If the serial number do match then install consits of position the bolt handle to 11 o’clock. Align the bolt release slot on the bolt with the bolt release in the receiver. Insert the bolt. Press the release inward. Push the bolt forward. Rotate the bolt handle down and let up on the release. Cycle the bolt
For Gum B is selected, 40ȼ is enough to release Gum B and the outcome will change into Figure 26 in a second. For Gum A is selected, 30ȼ is enough to release Gum A and the outcome will change into Figure 26 in a second. 7-Segment-Displacement changed into 00ȼ, LEDR1 light showed state 10 and LEDR3 light as DONE equal to 1. However, it only last for a second then return to state 00. When KEY3 was pressed, everything back to their default setting, which at state 00.Start button is needed to activate this vending machine.
i also solved the lost key problem by creating a kind of a push button start by putting close to each other and wrapping them in foil to keep from shocking myself, I also placed a plastic bottle cap over the foil to touch instead if the live