Jacob Andrés — Field Notes https://jacobandres.com/blog/ 2026-04-26T12:00:00-04:00 Jacob Andrés Navarrete Gauntlet HID — Part 2 https://jacobandres.com/blog/gauntlet-hid-part-2/ 2026-04-26T12:00:00-04:00 Adding flex sensors, voltage dividers, calibration, and signal smoothing to an ESP32-based wearable controller. Gauntlet HID — Part 1 https://jacobandres.com/blog/gauntlet-hid-part-1/ 2026-04-26T12:00:00-04:00 Building a wearable ESP32 controller with an IMU, quaternion-based orientation tracking, and mouse-control firmware. Core R Theta — Part 1 https://jacobandres.com/blog/core-r-theta-part-1/ 2026-04-26T12:00:00-04:00 Building and configuring a four-axis Core R Theta printer, from Duet controller integration to nonplanar slicing and toolpath testing. Benjamin Franklin's Contributions to Electromagnetism https://jacobandres.com/blog/benjamin-franklin-electromagnetism/ 2026-04-26T12:00:00-04:00 How Benjamin Franklin's experiments with charge, Leyden jars, lightning rods, and batteries helped shape modern electrical engineering.