Neuro Play Ground (NPG) Lite#

Launching soon

Overview#

Neuro Playground (NPG) Lite is a multichannel wireless bio-potential signal amplification device designed for recording EMG, ECG, EOG, and EEG. It comes in a compact Adafruit feather form factor and offers WiFi/BLE wireless connectivity. With the addition of daughter boards called Playmates, users can easily enhance the device’s capabilities, enabling the students/researchers/hobbyists to create awesome Human-Computer Interface (HCI) and Brain-Computer Interface (BCI) applications.

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Neuro Play Ground (NPG) Lite#

Features & Specifications#

No. of channels

3

Power options

USB type C or LiPo battery

Microcontroller

ESP32-C3 (RISC-V) with 4MB Flash

Power supply

600mA LDO with filtering

Connectivity options

WiFi, Bluetooth, USB

Debugging options

JTAG, UART

LEDs

User LED, charging LED, 6 addressable RGB LEDs

Buttons

Reset & user button

BioPotentials

EMG, ECG, EOG and EEG

Compatible hardware

NPG Playmates & FeatherWing boards

Protection

Built-in patient & USB ESD protection

Board Layout#

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Neuro Play Ground (NPG) Lite annotations#

Playmates#

Playmates are modular expansion boards designed to enhance the functionality of Neuro Play Ground (NPG) Lite. These add-ons seamlessly integrate with the core system, allowing users to extend their capabilities to create awesome Human-Computer Interface (HCI) & Brain-Computer Interface (BCI).

VibZ#

The first Playmate, VibZ, introduces haptic feedback, a buzzer, a QWIIC port for easy sensor integration, an ON/OFF switch, and electrode header pins. With these Playmates, users can customize their setup for specific applications, whether in research, education, or interactive biofeedback experiments. This modular approach ensures flexibility, scalability, and better user experience.

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VibZ Playmate#

Features & Specifications#

2.54mm Dupont header pin for electrode connection

Vibration motor for haptic Feedback motor

Buzzer for audio feedback

QWIIC / STEMMA QT I2C port

ON/OFF Switch