Archive for the 'skripsi' Category
Anda membutuhkan rangkaian regulator power supply yang dapat diatur output tegangannya mulai dari 1.2 to 15 V @ 3 A? Anda dapat mencoba rangkaian yang ada pada tulisan ini. It uses Low Dropout Positive Regulator LM1084 in TO220 package for delivering variable output voltage…
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1.2 - 15V/3A adjustable regulated power supply
 This circuit uses a 1458 dual op-amp to form a radar detector. C1 is the detector of the radar signal. The first op-amp forms a current-to-voltage converter and the second op-amp buffers the output to drive the piezo transducer. R5 sets the switching threshold of the second op-amp; normally it is adjusted so that the circuit barely triggers on background noise, then it’s backed off a bit. The response of the circuit may be tuned by adjusting the length of the leads on C1. For typical road-radar systems, the input capacitor’s leads should be about 0.5 to 0.6 inches long…
This interface is designed for use with a three axis robot arm based on stepper motors out of 5 1/4″ drives. The circuit uses two ULN2803 ‘drivers’ controlled by logic ICs to allow mutliple lines to be controlled at the same time. (Logic circuit design by Ian Threlfo). How it Works: Click here for an explanation of the circuit logic…
 This is an early picture of my discolight effect. Because of the AGC circuit theres no need for potentionmeters for sensitivity adjust. I replaced them with trimmers. Now the microphone is on the control electronics because theres no need to place it outside the box and the possible noises from the surroundings are reduced.
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Lampu Disko dengan Kontrol Bass Berbasis PIC16F84A
Use parts of an old or broken mobile phone? Why not! One useable part of a mobile phone is its LCD, which can be used in many applications where we need data visually presented. Nokia 3310 has a LCD with 84*84 dots, that isn’t that hard to get and can be very useful in DIY (do it yourself) electronics. This page describes a device I designed to test such a display and turned out to be the circuit that I am proud to share with you. Since my motto is �simplicity in construction�, with a few parts you will be able to create a relatively accurate and visually appealing thermometer…
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Pemanfaatan LCD HP Nokia 3310 Sebagai Thermometer Dengan DS18B20
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