抄録
Most technical high schools do not have sufficient number of Programmable Logic Controllers (PLC) as teaching materials because of their high prices. In this paper, software to utilize an Arduino as PLC by ladder diagrams is developed. The software can support the students to obtain a qualification called the Electric Equipment Assembling (Sequence-Control) 3rd grade Technical-Skill-Test.
https://ror.org/037kbz526 
