Johnson Electric Ledex Solenoid Demo Boards expedite traditional iterative solenoid selection processes and efficiently test any solenoid at various voltages, duty cycles, and power levels. The demo boards feature Raspberry Pi Pico, four gate drivers, and an LCD screen. The Johnson Electric Ledex Solenoid Demo Boards are ready-to-use with pre-installed circuitry, though the board is fully reprogrammable with user coding, which caters to novice and advanced users. The demo board offers an intuitive GUI to simplify user experience and features digital input with remote channel control for automating testing.