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All Journal Budimas : Jurnal Pengabdian Masyarakat Jurnal Ilmiah Dan Karya Mahasiswa
Mahardira Dewantara
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Rancang Bangun Thermohygrometer dengan Sensor Pemantauan Gas Medik Berbasis Internet Of Things (IoT) Setyo Adi Nugroho; Yuli Siyamto; Fitri Anindyahadi; Mahardira Dewantara
Jurnal Ilmiah Dan Karya Mahasiswa Vol. 3 No. 1 (2025): JURNAL ILMIAH DAN KARYA MAHASISWA (JIKMA)
Publisher : Institut Teknologi dan Bisnis (ITB) Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/jikma.v3i1.2867

Abstract

A thermohygrometer is a device used to measure temperature, humidity, and the concentration of medical gases (CO and CO₂) in operating rooms. The temperature in an operating room should be maintained between 19°C and 24°C, and humidity between 45% and 65%, to prevent damage to electronic equipment and corrosion caused by low temperatures and high humidity. Medical gases containing oxygen can also accelerate corrosion. Therefore, a thermohygrometer equipped with medical gas readings is necessary. This study aims to design a thermohygrometer using a DHT22 sensor to measure temperature and humidity and an MQ-135 sensor to detect CO and CO₂ gases. The obtained data is displayed on an I2C LCD screen and sent to the Blynk application via WiFi using an ESP32. Testing shows a temperature reading error of -0.02%, humidity -0.02%, CO gas 0.32%, and CO₂ -0.16%, all within a tolerance limit of ±5%.
PENGEMBANGAN FARMASIPRENEUR TABLET TAMBAH DARAH BERBAHAN DASAR FERRO SULFAT DARI SCRAP BESI BENGKEL BUBUT UNTUK SISWA SMK Soebiyanto; Nur Hidayati; Lucia Sincu Gunawan; Muhammad Dzakwan; Ilham Kuncahyo; Ana Indriyati; Nicolay Wening Audrey; Sunardi; Argoto Mahayana; Bimo Putranto; Sumardiyono; Mahardira Dewantara; Afif Afghohani
BUDIMAS : JURNAL PENGABDIAN MASYARAKAT Vol. 7 No. 3 (2025): BUDIMAS : Jurnal Pengabdian Masyarakat
Publisher : LPPM ITB AAS Indonesia Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/budimas.v7i3.18190

Abstract

The partner in this Community Service Program is the Mandala Bhakti Health Vocational School, Pharmacy Department, located at Jalan Singosari Utara II, Nusukan Village, Banjarsari District, Surakarta City. Iron deficiency is a common nutritional problem, especially among adolescents. Scrap iron waste from machine shops has the potential to be used as a source of ferrous sulfate for the manufacture of iron supplements. This activity aims to develop iron supplement tablets from ferrous sulfate synthesized from iron scrap, ensure their safety through heavy metal testing, and enhance pharmaceutical entrepreneurship knowledge (pharmaceutical entrepreneurship) among vocational high school students. A total of 20 vocational high school students were involved in training that covered ferrous sulfate synthesis, tablet formulation, and product marketing strategies. Evaluation was conducted through pre-tests and post-tests, as well as heavy metal contamination analysis (Pb, Cu, Cd). The results showed a significant increase in knowledge, with an average pre-test score of 70 and a post-test score of 100. Heavy metal analysis showed no contamination (Pb: 0 ppm, Cu: 0 ppm, Cd: 0 ppm), making the tablets safe for use. This activity proved effective in enhancing students' knowledge and skills, and demonstrated that industrial waste can be utilized to produce valuable pharmaceutical products. The program supports the development of research-based and environmentally friendly pharmaceutical entrepreneurship among the younger generation.
Co-Authors Afif Afghohani, Afif Ana Indriyati Argoto Mahayana Bimo Putranto Fitri Anindyahadi Gunawan, Lucia Sincu Ilham Kuncahyo, Ilham Muhammad Dzakwan Nicolay Wening Audrey Nur Hidayati Setyo Adi Nugroho Soebiyanto Sumardiyono Sunardi Yuli Siyamto, Yuli