Open-source boards designed in KiCad by draarivpatel-ui on GitHub, from 5 repositories. A board’s address here is its repository’s there.
draarivpatel-ui/attiny412-pulsenode
A compact 2-layer node built around the 8-pin ATtiny412-SSNR (SOIC-8) microcontroller: an ambient-light-driven PWM LED with a button, a status LED, and a piezo click. Designed in KiCad 8.
draarivpatel-ui/blare-clock
BlareClock: XIAO ESP32-C3 desk alarm clock with 2.25in ST7789 TFT, DS3231 RTC, 85dB piezo buzzer, KiCad 8 PCB, and OpenSCAD enclosure
draarivpatel-ui/chirpkey-8
ChirpKey-8: ATtiny412-SSNR 8-pin acoustic FSK & capacitive touch 2-layer KiCad 8 hardware token
draarivpatel-ui/hackpad
AarivPad: 3x3 mechanical macropad with EC11 rotary encoder, 128x32 OLED, SK6812 RGB underglow, KiCad 8 PCB, OpenSCAD case, and KMK firmware
draarivpatel-ui/helios-cad-forge
Helios-6 is a parametric dual-axis solar tracker gimbal, OpenSCAD + watertight STL mesh generator, Spencer (1971) solar ephemeris calculator, and KiCad 8 RP2040 + INA219 telemetry node.