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Rancang Bangun Alat Pelarut Printed Circuit Board (PCB) Menggunakan ESP32 untuk Media Pratikum Di Laboratorium Teknologi Listrik Dermawan, Heri; Normansyah; Ishak Alkadri, Syarif; Hidayat, Rachmad
Electrical Network Systems and Sources Vol 5 No 1 (2026): Electrical Network Systems and Sources
Publisher : entries

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/xqr9zd76

Abstract

PCB (Printed Circuit Board) dissolving is the process of removing the copper layer on a PCB to produce a pattern of conductive paths. On a hobby scale, this process is often done manually, takes a long time and involves repetitive physical work. By designing a control system on a PCB dissolving machine, the dissolving process can be made more efficient. An automated system will automate most of the steps in the dissolving process, reducing the time required and increasing operational efficiency. An automated control system will provide more accurate and consistent dissolving results than manual processes, reducing human error and improving product quality. In addition, this system allows for better monitoring and control of dissolving parameters such as time and solvent concentration. The influence of PCB dimensions on the dissolving process can also be minimized by automatic adjustment, ensuring uniform and optimal results on various PCB sizes. The etching process or what can also be called the PCB (printed circuit board) screen printing process, is the process of making conductor paths to connect the components on the board. Removing copper used as a path takes a long time and patience. In order for copper to dissolve with FeCl3 (ferric chloride) solution, the printed PCB must be moved in the container. The discussion results indicate that the design of the automatic PCB etching device based on ESP32, a 12 V DC motor, relay, and PWM controller is capable of improving the efficiency of the etching process compared to the manual method. Testing on a 5×5 cm PCB using a FeCl₃ solution (35.8 g/300 ml) showed a reduction in etching time from 27 minutes (Low speed) to 6.48 minutes (Mid speed), while at High speed no significant improvement was observed (6.46–6.48 minutes). These findings suggest the existence of an optimum agitation point, where increasing speed beyond this threshold no longer accelerates the etching kinetics, but instead potentially increases energy consumption and mechanical wear. From an electromechanical perspective, the estimated power requirements and torque (P≈10.9–72 W; T≈0.086–0.573 Nm at 1200 rpm) are consistent with the performance needed to generate stable vertical motion through a crank mechanism, guided by hinges/rails to maintain linear movement and uniform distribution of the etchant.
Co-Authors A, Prihastya Raehana A.A. Ketut Agung Cahyawan W Abdul Fattah, Fuad Achmad Jauhari, Achmad Agung Firdausi Ahsan Agung Winarno Agus Hery Supadmi Irianti Agustin Ningrum, Linda Ali Imron AMELIA SETYAWATI Anam, Hoirul Andiani, Lia Andreas Triwiyono Andy Prasetyo Wati Anis Arenda Anis Arendra ANNISA RAHMAWATI Ardita, Septia Aruna, Alby Aslamia, Shaudatul Aulia Martha, Jefry Ayu Salsabila, Annisa Azizah, Nofa Nur Budi Wibowotomo Budyi Suswanto Cahya, Dini Aulia Choirunnisa, Salsabila Safitri Dadang Redantan, Dadang Dede Rusmana Dermawan, Heri Dewi Zahro Pertiwi Dewi, Christina Shanti Dewi, Riskha Dora Candra Dewi, Titis Shinta Distina, Cahya Duryah, Hanum Ni’matud Endang Suswati Ernani Hadiyati Fadia Zen Faikul Umam Fajarwati, Ferisia Dwi Fajarwati, Ferisia Dwi Fattah, Fuad Abdul Fitri Agustina Fitrianty, Rifda Fulgentius Danardana Murwani Hairil Budiarto Haryono Haryono Heri Pratikto Husna, Niki Asma’ul Ibadil Maula, Farij Ima Oktavia, Anastasya Putri Imam Mukhlis Imania, Ekklesia Indarwati, Rila Ayu Agnes Ishak Alkadri, Syarif Isramaturrahmi, Isramaturrahmi Iva Khoiril Mala Jenie, Yazdi Ibrahim Khas, As'adi Khisbullah Hudha, Khisbullah Khoiril Mala, Iva Kukuh Winarso Lisa Rokhmani Ludi Wishnu Wardana Machmud Machmud, Machmud Mahfirman, Mahfirman Malikul Adil Marcelliantika, Adinda Martha, Jefry Aulia Masyitah Masyitah Maulana, Sahrul Melany Mohammad Hari Mohammad Hari, Mohammad Mu?alim, Mu?alim Mu’alim Mu’alim, Mu’alim Mufti, Aya Shofia Muslikh Muslikh Muttaqin, Daniel Nachnul Ansori Naswan Suharsono Ningrum, Linda Agustin Normansyah Nugroho, Agung Nupus, Hayatun Nurfitria, Dhea Safira Oktavia Sulistina Pandjaitan, Dewi Erika Prasetyani, Ertha Dwi Pratiwi, Titania Putri Purba, Moden Putri Surya, Eka Qurrotu’ain, Khumairo Rachman, Alfino Rahma, Adelia Rahman, Aryati Binti Abd Rahman, Zeinor RAHMATIKA, FERIZKA Ratna Dewi Sabarudin Akhmad Salsabila, Annisa Ayu Sigit Permansah SRI RAHAYU Studiviani, Pramita Sudarjo Sufi, Lintang Sugiarti Sugiarti Sujito Sujito Sulaeman Rahman Nidar Suprapto Suprapto Surya, Eka Putri Sutantri SUTOMO Syamsiar, Syamsiar Tanggono, Aninda Temesvari, Nauri Anggita Ulum, Achmad Miftachul W, Rayie Tarianie Wening Patmi Rahayu Werdimansyah, Farah Yadi, Muhammad Bahri Yanti, Dewi Yasiin, Falah Yudha Herlambang Yuli Soesetio Yuni Rahmawati Zuhrroh, Ilmiatuz Zuhrroh Zumroh, Siti Zusi, H Zutiasari, Ika