Labels Milestones
BackD 2 pin Molex header | | S1 | 1 | 1uF | Unpolarized capacitor | | S3 | 1 | SW_3PDT_x3 | Switch, triple pole double throw | | | J2 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 Quad operational amplifier, DIP-14