The DS3231 RTC module is a high-precision real-time clock. It features a 32 kHz crystal oscillator. It also includes a temperature sensor and an alarm function. The PSTN module communicates with a microcontroller (an Arduino-compatible® board) via an I²C interface.
Velleman WPM352 DS3231 PSTN MODULE
Original price was: $7.66.$5.19Current price is: $5.19.
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