Hardware emulating the Classic HP15C Calculator.
Features:
- All Through Hole parts. (easy to handle and solder)
- Runs about 4x faster than the original
- Memory registers: more memory as the original.
- Continuous memory (Memory is not lost when calculator is turn off).
- Auto power off
- Runs on a single ATMEGA328 8 bit microcontroller running @ 8MHz (same as Arduino Uno)
- Speaker for audible keypress feedback
- 192x64 lcd display
- Display Backlight
- Has a real time clock. (Uses a 32.768KHz crystal)
- Uses a single CR2032 3V battery.
- Power consumption: 1µA off, 350µA idle, 3mA working (this is with speaker and backlight off)
- Microcontroller comes preprogramed.
- Can run any of the Voyager series and HP41C calculators, downloading the appropriate firmware.
- Top and bottom aluminum panels.
See YouTube video: https://www.youtube.com/watch?v=5On8Tb-Uc00
THE CALCULATOR COMES FULLY HAND ASSEMBLED.