Posted in Arduino Hacks Tagged arduino, capacitance, proximity sensor ← Split A USB-C PD Port Into Three Port-ions SIMD-Accelerated Computer Vision On The ESP32-S3 → ...

Instead of measuring light, we measure the ambient voltage field on pin A5 and use it to detect if someone is too close to our Arduino. A5 is used as a “floating input”, but unfortunately it is very ...

Ki Seong Kim, Sung Soo Kim, Measurement of Dynamic TDC in SI Engines Using Microwave Sensor, Proximity Probe and Pressure Transducers, SAE Transactions, Vol. 98, Section 3: JOURNAL OF ENGINES (1989), ...