Buy DS3231 IIC RTC Module at Affordable Price in Ainow
Find the best cost on DS3231 IIC RTC Module in India. Shop now at Ainow for low prices on high-quality products for your electronics projects.

Get HC05 Bluetooth Module at Affordable Price in Ainow
The Bluetooth Transceiver HC05 bluetooth Module with enable/disable button Breakout is the latest Bluetooth wireless serial cable! This version of the popular Bluetooth uses the HC05 module. These modems work as a serial (RX/TX) pipe. Any serial stream from 9600 to 115200bps can be passed seamlessly from your computer to your target.
The remote unit can be powered from 3.3V up to 6V for easy battery attachment. All signal pins on the remote unit are 3V-6V tolerant. No level shifting is required.
Do not attach this device directly to a serial port.

Heart Beat Sensor
The heart beat sensor functions by providing a digital display of pulse readings. As the heart beat detector operates, the LED on the sensor will flash in correlation with each beat of the heart. This digital signal can be linked directly to a microcontroller for accurate measurement of the heart’s Beats Per Minute (BPM) rate. Its operation is based on the modulation of light caused by blood flow through the finger during each pulse.

Some notable characteristics of Heart beat Sensor include:
The LED displays your heart rate.
To quickly have a digital output signal that can be directly connected to a micr

Buy R307 Fingerprint Sensor Module at Low Price in Ainow
Introducing the R307 Fingerprint Sensor Module, equipped with a TTL UART interface for direct connections to both microcontroller UART and PC through either MAX232 or a USB-Serial adapter. With the ability to store fingerprint data and configure it in 1:1 or 1:N mode for accurate identification, this module is a reliable fingerprint sensor.