swengineer (25)in #review • 4 years agoMini Router CNC 3018 Pro Part 1 - Review & TestHello. CNC technology can be applied in various fields. Milling machines are inexpensive based on GRBL in a…swengineer (25)in #diy • 4 years agoHow To Make Hard Drive Sander V1 | 3.5inch 5400RPMHello. I built a sanding machine with an old 3.5 inch computer hard disk. BLDC spindle motor in the computer hard…swengineer (25)in #diy • 4 years agoHomemade (DIY) CNC Drawing Machine (Pen Plotter)Hello. I made a Pen Plotter based on Arduino Uno & MIGRBL. A pen plotter is a machine that draws a picture with a…swengineer (25)in #diy • 4 years agoHomemade (DIY) ultraviolet (UV-C) virus sterilizerHello. Around March 2020, when the situation of corona 19 infection in Japan becomes serious, it is a UV-C…swengineer (25)in #pwm • 4 years agoPWM DC Motor Speed Controller Review 12-48v 2000WHello. The speed control of the XY-L-1240 DC motor is made in China based on PWM technology and can be purchased via…swengineer (25)in #infrared • 4 years agoNon Contact Infrared Thermomter ST490+Hello. ST490+ is a non-contact infrared thermometer. It can measure temperatures from -58℉ to 914℉ and can be set…swengineer (25)in #nodemcu • 7 years ago에어컨 스마트 제어, 온/습도/미세먼지 모니터링안녕하세요. 두번째 포스팅입니다. 벽걸이 에어컨 자가 설치 후 에어컨을 제어하고 실내 환경을 모니터링하기 위한 제어기를 제작했습니다. 정속형 에어컨이라 시간 당 약 650W를 소비하는데 제어를 통해 ½ 정도로…swengineer (25)in #aircon • 7 years ago벽걸이 에어컨 자가 설치안녕하세요. 처음으로 작성하는 글입니다. 직업은 S/W 엔지니어, 평소 마이컴(Arduino, NodeMCU 등...)을 통해 가전 제어 및 환경 데이터 수집 기기를 자작하는 취미를 갖고 있습니다. 에어컨…
