This video covers: - The symbols of all the main components you need to know - What LEDs are - The graphs and uses of LDRs and thermistors General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for triple and combined science Exam board specific info: AQA - Everything is relevant to your course! IGCSE Edexcel - Everything is relevant to your course! Edexcel - Everything is relevant to your course! OCR 21st Century - Everything is relevant to your course! OCR Gateway - Everything is relevant to your course!