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All Journal International Journal Science and Technology (IJST) Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering)
Kunto Wibowo
Gunadarma University
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering

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AUDIO MIXER 4 CHANNELS STEREO Mochammad Karjadi; Bambang Harianto; Kunto Wibowo
International Journal Science and Technology Vol. 2 No. 2 (2023): July: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v2i2.686

Abstract

In audio equipment, the mixer is a tool that is well known and widely used by lovers of stereo 4-channel audio mixers such as those used in recording studios, transmitter stations and so on, all of which function to mix several signals, in a ratio that can be adjusted with a potentio meter. In the world of electronics signals can be mixed by summing them. In this research discusses the performance of the simplest 4-channel stereo channel audio mixer system consisting of two channels and can be developed up to dozens of channels. Four channels as a microphone amplifier and two channels (L and R) for channels that can be connected to tape, tuner, compact disc and others, as well as two output channels 1 (L and R) and output channel 2 (R and L) that can be connected to a power amplifier.
The Solar Tracker Prototype Based on Arduino Uno Setiyono Setiyono; Kunto Wibowo
Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Vol 11 No 1 (2024): Jurnal Ecotipe, April 2024
Publisher : Jurusan Teknik Elektro, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jurnalecotipe.v11i1.4481

Abstract

The placement of solar panels to capture solar energy is generally installed in a certain and fixed position (static). The dynamic change in the sun's position from east to west at any time means that the solar panels absorb less energy. So, installing an automatic driving device on the solar panel to adjust its perpendicular position to the sun's rays is very necessary. This Solar Tracker tool has 4 light sensors that function to identify the intensity of sunlight as a signal entered by the Arduino Uno microcontroller. This information is then processed to become a signal to drive horizontal and vertical servo motors. The shaft of this motor is connected to the mechanical circuit of the solar panel via a gearbox to carry out movement. A comparator will compare sunlight information and a reference voltage to control the rotation of the servo motor which can determine the time needed for the motor to rotate or stop. The research results on solar panels using a tracker were that the best voltage and current values were obtained between 12.00 – 13.00 WIB with an average voltage value of 11.45 V and an average current value of 0.49A.
Co-Authors Bambang Harianto Mochammad Karjadi Setiyono