ESP32

Is the most integrated solution for Wi-Fi + Bluetooth applications in the industry with less than 10 external components. ESP32 integrates the antenna switch, RF balun, power amplifier, low noise receiver amplifier, filters and power management modules. As such, the entire solution occupies minimal Printed Circuit Board (PCB) area. For more details, here the ESP32 Data Sheet.pdf

MAX30102

Is an integrated pulse oximetry and heart-rate monitor module. It includes internal LEDs, photodetectors, optical elements, and low-noise electronics with ambient light rejection. The MAX30102 provides a complete system solution to ease the design-in process for mobile and wearable devices. For more details, here the MAX30102 Data Sheet.pdf

SSD1306

Is a single-chip CMOS OLED/PLED driver with controller for organic / polymer light emitting diode dot-matrix graphic display system. It consists of 128 segments and 64commons. This IC is designed for Common Cathode type OLED panel, here the SSD1306 Data Sheet.pdf

TP4056

Is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries. Its SOP package and low external component count make the TP4056 ideally suited for portable applications. Furthermore, the TP4056 can work within USB and wall adapter, here the TP4056 Data Sheet.pdf