Photo's of tachistoscope
Arduino Uno                                                                Arduino with USB cable
LCD controller                                             LCD-backlight           LCD- screen  back                                                LCD screen front
A switchable LED light as designed by X-LED technologies. This led light can be switched on and off very fast by a microprocessor.
The SSR-60DD will be replaced by a Crydom SSR D2D12, specifications
Arduino and LCD controller
LED power supply and SSR
Tachistoscope front
Tachistoscope backside
Projection lens from Aliexpress
Fresnel lenses from Aliexpress
LCD screen with controller from Aliexpress
Sketchup design for LCD-screen holder. Later 3-d printed
Sketchup design for projection lens holder. Later 3-d printed.