Project Summary: The advancement of hardware and signal processing
Design and implementation of a low-cost single-channel, EEG prototype
Project Summary:
The advancement of hardware and signal processing tools enabled the use of brain waves for communication between humans and computers. Our aim is to develop a very simple and cheap EEG device able to measure electrical activity of brain which can help person to control different electronic devices using Brain Computer Interface (BCI). Commercial EEG devices are costly depending on the complexity of the instrumentation. We shall design and implement a low-cost, single-channel, EEG device while preserving a sufficient level of accuracy.
Project Objectives:
Initially we shall design a circuit diagram to extract the signals from the brain using electrodes and implement on hardware to test it. Then we shall observe the output taken from the circuit and design filters to filter out the noise and amplify signals to get useful outputs from the circuit.
Benefits of the Project
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| INA 128 IC | Equipment | 2 | 1500 | 3000 |
| LM 741 IC | Equipment | 2 | 250 | 500 |
| Electrodes | Equipment | 5 | 200 | 1000 |
| Battery | Equipment | 3 | 2500 | 7500 |
| TL084CN | Equipment | 1 | 500 | 500 |
| Connectors | Equipment | 8 | 35 | 280 |
| Shielded wire | Equipment | 3 | 150 | 450 |
| Arduino Uno | Equipment | 1 | 2500 | 2500 |
| Capacitors | Equipment | 10 | 20 | 200 |
| Resistors | Equipment | 10 | 5 | 50 |
| WeMos d1 | Equipment | 4 | 950 | 3800 |
| PCB board | Equipment | 2 | 800 | 1600 |
| Miscellaneous | Miscellaneous | 1 | 10000 | 10000 |
| Total in (Rs) | 31380 |
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