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New Postsview all

March 20, 2025 at 5:00 pm
DC – DC adapter case #3DThursday…

March 20, 2025 at 4:00 pm
Pinhole Camera #3DThursday #3DPrinting

March 20, 2025 at 3:45 pm
John Park’s Workshop — LIVE TODAY…

Featured Postsview all

March 15, 2025 at 8:00 pm
New Product 3/12/25 Feat. Adafruit TPS65131 Split…

March 3, 2025 at 11:33 am
The Python on Microcontrollers Newsletter hits…

March 3, 2025 at 9:36 am
Adafruit’s Top 10 Blog Posts of February 2025…

March 12, 2025 AT 12:30 pm

The Clockwork PicoCalc

— by Anne Barela

Filed under: calculators, kits, Pico, Raspberry Pi —
Tags: picocalc —

September 25, 2024 AT 10:16 am

The calculator that spawned the Intel 4004 microprocessor

— by Anne Barela

Filed under: calculators, history, vintage computing —
Tags: 4004, Busicom, calculator, Intel —

September 11, 2024 AT 2:16 pm

RedEye: a library implementing the “RedEye” infrared protocol

— by Anne Barela

Filed under: calculators, software —
Tags: calculators, HP, infrared, IR, IrDA, redeye —

June 2, 2024 AT 4:00 pm

Greatest mechanical calculating devices of all time

— by Ben

Filed under: calculators, history —
Tags: calculator, history, vintage —

May 29, 2024 AT 1:42 pm

A modern External Electronic Package for the Wang 300 Series calculator #Calculators

— by Anne Barela

Filed under: calculators, Digital, Electronics, enclosures/cases, projects, vintage, vintage computing —
Tags: arithmetic, calculator, hardware, Replacement, wang, Wang 300 —

March 11, 2024 AT 10:08 am

Restoring my Commodore P50 calculator

— by Anne Barela

Filed under: calculators, vintage computing —
Tags: calculator, repair, restoration —

October 24, 2023 AT 9:46 am

A Pocket MicroPython Calculator with Hidden Capabilities #ESP32 #MicroPython #Calculators @hacksterio

— by Anne Barela

Filed under: calculators, micropython —
Tags: calculator, MicroPython —

August 26, 2023 AT 8:00 am

It Totally Peaked in High School

— by Kelly

Filed under: books, calculators, math —
Tags: books, calculators, history, retro —

August 15, 2023 AT 2:58 pm

Calculators 1968-1983, an exhibit #ArtTuesday #Calculators @calculators1968

— by Anne Barela

Filed under: art, calculators, design and architecture, Digital, Electronics, math, science, vintage —
Tags: art, calculators, design —

July 25, 2023 AT 2:10 pm

A visual HP-45 calculator emulator written in Python #Emulation #Python @sarahkmarr

— by Anne Barela

Filed under: calculators, emulation, reverse engineering —
Tags: calculators, emulation, HP —

February 1, 2023 AT 9:37 am

Check out the emulated calculators at the Internet Archive #Calculators #Emulation @Verge @InternetArchive

— by Anne Barela

Filed under: calculators, vintage computing —
Tags: calculators, emulation, internet archive, vintage —

August 3, 2022 AT 9:37 am

Fixing the display ribbon cable on a TI-83 Plus calculator @LeadedSolder

— by Anne Barela

Filed under: calculators, recycling, retro —
Tags: calculator, repair, TI-83 Plus —

June 15, 2022 AT 9:44 am

A TI-82 Advanced Edition Python calculator review #Calculators #Python

— by Anne Barela

Filed under: calculators, CircuitPython, python —
Tags: calculator, python, TI-82 —

May 4, 2022 AT 10:04 am

1974 Sinclair Scientific Calculator Restoration #Calculator @RetroRandRs

— by Anne Barela

Filed under: calculators, reverse engineering, vintage computing —
Tags: calculator, restoration, sinclair, vintage —

March 22, 2022 AT 9:37 am

Recreating a calculator pen with SAMD21 and #CircuitPython @josecastillo @Microchipmakes

— by Anne Barela

Filed under: 3D printing, calculators, CircuitPython, design and architecture, Programming, projects —
Tags: calculator, circuitpython, design, pen —