Classic HP11C RPN Scientific Calculator Emulator
Designed by HobbyStone in United States of America
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Hardware emulating the Classic HP Calculators Build a fun, educational easy to build calculator. Features: All Through Hole parts. (easy to handle and solder) Runs about 4 to 5 times faster than the…
Read More…Hardware emulating the Classic HP Calculators
Build a fun, educational easy to build calculator.
Features:
More info at voyager.
You will receive the following:
Part | QTY | Value | Description |
---|---|---|---|
C1, C2 | 2 | 0.1µf | Decoupling Capacitor |
C3 | 1 | 0.1µf | Speaker impedance |
U1 | 1 | ATMEGA328P | Preprogrammed Microcontroller |
J1 | 1 | 6 pin female header | SPI Programing header |
BAT | 1 | Battery Holder | CR2032 Battery Holder |
SPK | 1 | BUZZER | Speaker |
XTAL | 1 | Clock Crystal 32.768kHz | Clock |
R1 | 1 | 10KΩ | Reset pullup resistor |
R2 | 1 | 10Ω | LCD backlight resistor |
BTN's | 39 | 6x6mm tactile switch | Key buttons, (11mm tall) |
RST | 1 | 6x3.5 mm tactile button | Reset button |
PCB | 1 | PCB | PCB |
DISP | 1 | Display 192X64 LCD | Display |
1 | 9 pin male header | For Mounting Display | |
1 | double sided tape | to attach display to microcontroller. | |
4 | rubber feet | rubber feet | |
1 | Bumper | 3D printed bumper | |
1 | Bat Holder | 3D printed Battery Holder | |
2 | Panel | Top and bottom panels | |
1 | hardware Kit | brass posts & screws |
Panels are made from standard FR-4 PCB. Top panel has ENIG finish.
NOTES:
Battery not included.
To upload new firmware you will need a AVR SPI programmer. Such as the usbasp. And you will need to modify the cable, or purchase the AVR Programming adaptor. More info at voyager.
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