Electronic projects
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A controller with 4 outputs to manage lightening, warming, oxygenating and filtering of an aquarium.
Minute per minute (and day per day) operating program of each output.
An electronic dice using a 12F509 PIC.
Automatic shut down.
Only one key.
A pre-amplifier with full digital control (no small level signal on front panel, no switch and no potentiometer,...).
Allows to independently connect the 4 outputs (main, aux, tb1 and tb2) on one of the 8 inputs (2 cd, tu, aux, 2 tb and 2 phonos).
A thermostat to accurately control the house temperature.
Ready for software extension to manage the temperature with a digital clock.
An experimental power supply for scale mode (train for instance).
This switching regulator improves the low speed motion.
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