General Purpose Alarm Device (GPAD) By Public Invention (Robert L. Read, Forrest Lee Erickson) with SPEC volunteers · Example build · 7 views · 0 remixes An Arduino-compatible alarm box with five bright LEDs, an 85 dB buzzer, a 20 × 4 LCD and a mute button, commanded by a host over SPI or serial 0SaveRemixCopy link Estimated parts costNo price seen yetDifficultyModerateParts2 parts · 2 pcs Start the assembly guide →
