คำอธิบาย
Open source Raspberry Pi shield that measures EEG, EMG, and ECG bio-signals
Features & Specifications
- Compatible with Raspberry Pi 3 or 4
- 8 Channels for connecting wet or dry electrodes
- Data transfer via SPI protocol with a frequency from 250 SPS to 16 kSPS and a resolution of 24 bits per channel
- Programmable signal gain 1, 2, 4, 6, 8, 12, 24
- Ability to measure impedance
- Common-Mode Rejection Ratio CMRR 120
- Internal noise 0.4 μV
- External noise 0.8 μV
- Signal-to-noise ratio (SNR) 130 dB
- LEDs for power indication and ADS1299 connection indication
- 3 free pins for connecting external objects (ground and Raspberry Pi channel)
- 33 Pins from the Raspberry Pi GPIO can be used for various tasks, like connecting external devices
- Easy programming with the provided open source software for reading and processing data in Python, C, and C++
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