Digital SpO2 and Heart Rate Finger Clip Sensor Module with Serial Output
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Prices updated: 13 Oct 2026
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About this product
Compact blood oxygen (SpO2) and heart rate module that uses a finger probe and sends measured values over serial communication. It supports AT commands including AT+SP:0 and AT+SP:1 for sleep and wake control. Two probe kits are offered: a silicone finger probe and a finger clip probe. It is intended for student, prototype and educational projects, not for clinical use.
Specifications
- Measurements
- SpO2 and heart rate
- Communication
- Serial communication with AT commands
- Sleep/wake commands
- AT+SP:0 / AT+SP:1
- Probe options
- Silicone finger probe (Suite A) and finger clip probe (Kit B)
Frequently asked questions
Is this module a medical device?
No. It is intended for educational and hobby projects. Its readings should not be used for medical diagnosis or treatment decisions.
How do I connect it to an Arduino or ESP32?
Connect its serial lines to a UART or software serial port on your board, after checking the module's supply voltage and logic level in its documentation. Then send the AT commands at the baud rate the module uses.
