00:01
2026-07-29
pub.towardsai.net
ai-infrastructure
The Sub-$3 Power Meter: Measuring Edge AI Energy Consumption Without an SMU
A $3 open-source power meter built from an ESP32-C3 and INA226 sensor measures edge AI energy consumption at 850 samples per second, enough to compute energy-per-inference for model-level comparisons.…