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Hana Sestakova
KiCAD Projects
Location Tracker with Screen:
AThis is an IoT-based GPS location tracker built around a NodeMCU ESP8266, a NEO-M8M GPS module, and an OLED display. It's powered by a single 18650 battery through an FP6291 boost converter that steps up the voltage to 6V for the system. The device creates a local web server that displays real-time location data.
Images: 1. Schematic, 2. PCB Front, 3. PCB Back, 4. PCB 3-D
DIY SP02 sensor:
A device that non-invasively measures the oxygen saturation of your blood using light-based technology.
Images: 1. Schematic, 2. PCB Front, 3. PCB Back, 4. PCB 3-D
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