As Hackaday revealed, this one comes with an E Ink display, a secondary OLED panel, and a keypad made ... The device comes powered by an ESP32-S3 processor and supports Wi-Fi 4 and Bluetooth ...

Pulse oximetry is a ubiquitous non ... A schematic view of the sensor is given in Fig. 1a, where two OLED arrays and two OPDs are placed on opposite sides of a finger. Figure 4: PPG acquisition ...

This breadboard compatible package combines an ESP32-S2 module with a top-mounted PIR sensor, making it a turn key solution for all sorts of motion sensing projects. In addition to the expected ...

The 'sensor OLED display' announced by Samsung this time is said to be able to recognize fingerprints on the entire screen by embedding an organic photodiode (OPD) that senses light in the panel ...