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ELECTRONIC PROJECTS
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TEACHING RESOURCES
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HELP
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EZ CPU RESOURCES
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Page still under construction!!
Soon to add more routine examples and subroutines that can be used for developing other programs! We welcome any programs and routines you would like to add - please send them to us and we will publish them. |
| TOPICS | Techniques covered | Syllabus ref. (OCR) | Input module | Output module |
| CONTROL OUTPUTS | ||||
| 1: Basic Counter - counts in binary and displays an output |
Counting loops
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5.4.5 g(i)
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| 2: Light sequencer - uses indirect addressing to access a table. |
Indirect addressing
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| 3: Bounce game - A simple game testing your reactions. |
Masking input bits
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| 4: Quiz master - A 4 player Quiz Master that displays the first contestant to press a button within 5 seconds. |
5.4.5 g(ii)
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DAIP opt.
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Q2DD
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| DRIVING 7-SEGMENT DISPLAYS | ||||
| 1: Alpha-numeric display - a single digit messaging program |
Indirect table addressing
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5.4.5 g(ii)
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QSDD
single 7seg. |
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| 2: 4-bit Binary to Seven Segment Decoder - software version of a common IC |
Driving 7-segment display
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| 3: Digital Dice - produces a number from 1 to 6 |
Masking input bits
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5.4.5 g(iii)
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DAIP module (optional)
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| 4: Random Number Generator - produces a lottery number from 1 to 49 |
Number comparison
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Q2DD
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| 5: 99 Second Timer - uses fixed length routines for accurate timing |
Fixed timing routines
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| 6: Improved 99 Second Timer - has start/stop and reset facility for timing external events using input sensors. Eg. Scalectrix or falling object timer |
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| MOTORS & SERVOS | ||||
| 1: Stepper controller - Produces the required signals to control a bipolar stepper motor |
Indirect table addressing
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5.4.5
g(v,ix) |
QSMD
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| 2: PWM Controller - Control the speed of motors or the brightness of bulbs | ||||
| Servo controller | ||||
| SENSING SYSTEMS & CONTROLLING RELAYS | ||||
| Greenhouse controller |
5.4.5 g(v)
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QRLA
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| Data Logger | ||||
| ANALOGUE/DIGITAL | ||||
| 1: Digital Wave Generator - design and produce digitised waveforms. |
Indirect table addressing
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5.4.5 g(vi)
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QDAC
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| Thermometer |
DADC
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Q2DD
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| Voltmeter |
DADC
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Q2DD
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USEFUL STUFF
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| Z80 datasheet |
| Z80 bits |
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www.edutek.ltd.uk - Working Electronics For Students & Teachers
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