Public learning track
Rotational Speed, Angular Position, and Gray Code Encoders
11th Grade · Technology · UK A-Level
10 lessons
Goal
Implement slotted discs and encoded discs to measure rotational speed and angular position, comparing pure binary coding with Gray coding.
Featured Diagrams
Slotted Optocouplers and Optical Interrupter Fundamentals
10 lessons
0 of 10 done
- 1Slotted Optocouplers and Optical Interrupter FundamentalsUp nextStart
- 2Slotted Discs and Rotational Speed Measurement in TachometersPremiumNot started yet
- 3Pulse Frequency to Angular Velocity CalculationsNot started yet
- 4Optical Reflection Sensors for Shaft Speed DetectionNot started yet
- 5Incremental Encoders and Quadrature Phase Direction SensingNot started yet
- 6Absolute Encoded Discs and Angular Position DeterminationNot started yet
- 7Binary-Coded Discs and Alignment Transition HazardsNot started yet
- 8Gray Code Fundamentals and Unit-Distance AdvantagesNot started yet
- 9Converting Gray Code to Pure Binary for Digital ProcessingNot started yet
- 10Encoder Resolution, Quantisation Errors, and Track Geometry DesignNot started yet
Standards Covered
- ELEC-6.5General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11[the use of the slotted discs (for sensing rotational speed) and encoded discs (for sensing angular position)
- ELEC-6.6General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the comparison of the Gray coding of encoded discs with binary coding
Curriculum Framework
11th Grade · Technology · UK A-Level
1
10 lessons
Analogue Input Transducers and Potential Divider Sensors
Design, analyse, and experimentally characterise analogue sensing sub-systems utilising NTC thermistors, light-dependent resistors, photodiodes, and switches.
2
10 lessons
Wheatstone Bridges and Strain Gauge Instrumentation
Analyse, balance, and design Wheatstone bridge networks for high-precision temperature and mechanical strain measurement.
3
10 lessons
Schmitt Inverters and Waveform Signal Conditioning
Utilise Schmitt inverters to eliminate noise, debounce mechanical contacts, reshape noisy analogue signals, and build relaxation oscillators.
4
10 lessons
Rotational Speed, Angular Position, and Gray Code Encoders
Implement slotted discs and encoded discs to measure rotational speed and angular position, comparing pure binary coding with Gray coding.
5
10 lessons
Output Transducers, Actuators, and Driver Interfacing
Design driver interfaces and protective circuitry for visual, audible, and electromechanical output devices including motors, solenoids, relays, servos, and displays.