Practical case: Selectable Frequency Divider
Level: Medium – Build a binary frequency divider using a 74HC393 ripple counter with a selectable output stage.
Binary counter, Binary counter_Medium, Digital Electronics, Medium
FPGA
Practical case: 0 to 9 BCD Decimal Counter
Level: Medium | Build a 0-9 BCD counter using the 74HC90 IC to visualize binary progression via LEDs.
Practical case: SPI Tester for 74HC595 with ULX3S
A hardware-based SPI shift register output tester on the Radiona ULX3S that drives an external 74HC595 IC and LED bar. This dedicated testing tool generates…
Practical case: Quadrature Encoder RPM Meter with ULX3S
A digital Revolutions Per Minute RPM meter that reads a mechanical quadrature encoder using a Lattice ECP5 FPGA, calculating rotational speed and displaying…
Practical case: ULX3S Reaction Time Trainer
A standalone hardware reaction-time trainer utilizing a Linear Feedback Shift Register LFSR for randomized delays and a precision hardware timer to measure…
Practical case: Missing Pulse Watchdog Alarm with ULX3S
A hardware-based missing-pulse watchdog alarm that continuously monitors a periodic heartbeat signal. It triggers an audible piezo buzzer and visual LED with…