aThe book is copiously illustrated with halftone and line drawings, the circuit symbols following the guide set out in the AQA GCSE Electronics specification. There are numerous photographs, including close-ups of electronics components, and illustrations of constructional techniques. • 对电子系统的部...
Electronic Components Input Transducers Input transducers are devices that convert a change in physical conditions (for example a thermistor, LDR, or variable resistor) into a change in resistance and/or voltage. This is then processed by a voltage divider circuit. LDR Thermistor Measures temperature ...