Yudh PhD : Arduino Experiments SAA Q 96: 6) 𝐀𝐫𝐝𝐮𝐢𝐧𝐨 𝐋𝐃𝐑 𝐬𝐞𝐧𝐬𝐨𝐫 , 𝐋𝐢𝐠𝐡𝐭 𝐎𝐍 𝐰𝐡𝐞𝐧 𝐃𝐚𝐫𝐤. 𝐋𝐢𝐠𝐡𝐭 𝐎𝐅𝐅 𝐰𝐡𝐞𝐧 𝐋𝐢𝐠𝐡𝐭 𝟏𝟖 𝟎𝟕 𝟐𝟔