Anbazhagan K., Ambika Parameswari K., "555 Timer IC circuit Magic's: Four Way Traffic Lights, Glimmering Police Lights, Metal Detector, Television Remote Control and Motor Speed Control "
English | ASIN : B085Y9Z7F4 | 2020 | 137 pages | AZW | 3 MB
English | ASIN : B085Y9Z7F4 | 2020 | 137 pages | AZW | 3 MB