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DS3231 i2C Precision Clock RTC AT24C32
Original price was: ₨ 500.₨ 350Current price is: ₨ 350.
High-accuracy DS3231 I²C Real-Time Clock (RTC) module with onboard AT24C32 EEPROM and battery backup for precise timekeeping in Arduino, Raspberry Pi, and IoT applications.
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PCF8574 IO Expansion Board I2C-Bus Evaluation Development Module
The PCF8574 I/O Expansion Board is an I2C-based digital input/output expander that adds 8 extra GPIO pins to microcontrollers like Arduino, NodeMCU, ESP32, and Raspberry Pi using only two I2C wires (SDA & SCL). Ideal for keypad interfaces, sensor expansion, and multi-device control.
