Raspberry Pi enthusiasts may be interested in a new open source USB Raspberry Pi RTC offering a MCP2221 USB-I2C Converter, DS3231 High-Precision RTC Chip, ... MCP2221 is a breakout module that ...

The Raspberry Pi Pico is programmed to “poll” every 30 seconds, writing the current time to a file. Should the unit lose power, ... a DS3231 real-time clock module, ...

NeverCode has created a Raspberry Pi Pico smart clock and shared lots of details on how you can recreate it for yourself at .

DS3231 RTC: Accurate timekeeping with battery backup. DHT11 Sensor : Temperature monitoring in Fahrenheit. 4x4 Keypad : Intuitive menu navigation and settings input.

ZYMKEY4i Raspberry Pi security module. 9:56 am May 19, ... – Precision Real Time Clock, battery backed – I2C secure serial interface – Compatible with Raspberry Pi GPIO header ...

The Raspberry Pi 4-based Computer Module is now available for purchase from $25. X. Trending. Memorial Day tech sales 2025 ... and a real-time clock with battery backup. ...

Called Shim RTC, the clock board is also compatible with A, B and B+ models, and is designed to be added to Raspberry Pi without obstructing other expansion boards. “It will fit under most add-on ...