Labels Milestones
Back\*(optional) SIP socket, 2.54 mm, 1x4 | | U1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 Quad operational amplifier, DIP-14"/>
\*(optional) SIP socket, 2.54 mm, 1x4 | | U1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 Quad operational amplifier, DIP-14"/>