If you had a calculator in the 1970s it probably had one, but in the present, [Joshua Coleman] has incorporated one into a pleasingly retro digital clock. Inside the 3D printed case is an ESP32 ...

Designed for small businesses, it features a keypad and LCD interface for easy operation. - gengocodes/IR-Proximity-Sensor-Based-Inventory-Stock-Tracker-Using-PIC-Family-Microcontroller An inventory ...

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