DIY Calculator with STC15W408AS

The STC15W408AS is a microcontroller from the STC series, based on the 8051 architecture. It is used in various applications, including calculators and measurement devices, as it offers good data processing speed and low power consumption. This microcontroller is often chosen for its features such as 32KB of internal memory, high processing speeds, and integrated functions like analog-to-digital converters and serial communications. For a calculator, the STC15W408AS allows fast processing of mathematical operations and easy control of an LCD screen to display results.
Parts list:
1 x 100Ω resistor
1 x 10uf capacitor
1 x piezo
1 x STC15W408AS chip
1 x USB port
1 x battery slot
1 x battery 3V
2 x LED display
17 x Switches
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[@Nepermath]

I really liked this calculator, I'll make one for myself using an atmega328p or atmega1284p, but with 16 digits!!! And congratulations on the project, it was really cool!!!

[@DIYElectronics123]

Tnks