A portable low-cost open-source electrical is a B.Tech project topic for Electrical Engineering. It gives students a clear starting point for research, implementation planning, and documentation.
A portable low-cost open-source electrical Project Details
| Abstract |
EIT is a non‑invasive, radiation‑free imaging method that builds a picture of a subject’s internal conductivity from electrical measurements taken at the surface. This project creates a portable, low‑cost, open‑source EIT system using a modular analog front‑end. The hardware centers on an STM32 microcontroller and an AD5933 impedance converter, which together generate and measure alternating currents with high precision. A multiplexing network switches the excitation signals and records the resulting boundary voltages from a multi‑electrode array. Because the analog front‑end is modular, signal loss is minimized and the electrode layout can be changed easily. The collected impedance data are sent to a host computer, where reconstruction software turns the boundary
voltages into real‑time tomographic images. This implementation offers a practical platform for academic research and clinical prototyping, providing a cost‑effective alternative to commercial EIT systems. The accompanying documentation covers hardware calibration, firmware development, and integration of the reconstruction algorithm, giving students hands‑on experience with biomedical instrumentation and embedded‑system design.
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| Reference Paper |
A portable, low-cost, and open-source electrical impedance tomography system with a modular analog front-end based on STM32 and AD5933. |
| Domain |
Electrical Engineering |
| Sub-Domain |
Electrical & Electronics Engineering |
| PDF Download |
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