Teardown of 1970s Casio personal-mini Electronic Calculator with Vacuum Fluorescent Display
Old consumer tech is supposedly obsolete but can also be incredibly rewarding to open up and explore – you might find some intriguing, or even head-scratching engineering decisions inside. KuzyaTech tore down this 1970s-era calculator and found a little bit of both:
Notice the color of the wires and the polarity indicated:
And here’s the calculator’s VFD display shot from the side:
Read more & see pages from the operator’s instruction manual here.
8-6-2021 (August 6, 2021) is the Snakiest day of the year and it’s also this year’s CircuitPython Day! The day highlights all things CircuitPython and Python on Hardware. See you there!
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.