By
@aarivpatel
AarivPad is a 4x4 RP2040 mechanical macropad featuring a Seeed XIAO RP2040 controller, 16 hot-swappable MX switches in a diode-isolated row/column matrix, an EC11 rotary encoder, a 128x32 SSD1306 I2C OLED status display, and an M3 heatset-insert sandwich enclosure with QMK/KMK firmware and an interactive browser keymap studio.
Shipped AarivPad v1.0 for the Hackpad mission: complete KiCad 8 schematic & 2-layer PCB for a 4x4 Seeed XIAO RP2040 mechanical macropad with EC11 rotary encoder and SSD1306 OLED, 3mm top plate + 13mm bottom case STL/STEP CAD with M3 heatset bosses, KMK firmware, and live interactive keymap demo at https://aariv.me/hackpad/.
51m 15s logged
Completed full KiCad 8 schematic and 2-layer PCB layout for the 4x4 XIAO RP2040 switch matrix with 1N4148 SOD-123 column diodes, EC11 encoder, and SSD1306 I2C OLED header. Exported 3mm top switch plate and 13mm bottom case STL/STEP geometry with M3x5x4mm heatset insert bosses, plus runnable KMK/CircuitPython firmware and browser keymap verifier.
