Labels Milestones
Back1x7 Pin socket, 2.54 mm, 1x2 (see build notes) 1 SIP socket, 2.54 mm, 1x4 Light emitting diode | | | J1 | 1 | B20k | Potentiometer | | S3 | 1 | LED | Light emitting diode | | C7, C12 | 3 | A1M | Potentiometer | | Tayda | A-159 | | D 2 pin Molex connector 2.54 mm spacing 2 pin Molex connector 2.54 mm spacing | | | | S1 | 1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 Quad operational amplifier, DIP-14