Labels Milestones
Back2479, Battery Type C (https://www.bulgin.com/products/pub/media/bulgin/data/Battery_holders.pdf Comfortable Electronic CR2450 battery holder, Keystone P/N 2468, http://www.keyelco.com/product-pdf.cfm?p=1033 AAA battery cell holder CR2032 retainer clip, SMT ( http://www.farnell.com/datasheets/1505853.pdf BC-2001 CR2032 2032 Battery Holder SMD Tactile Switch, B3SL Middle Stroke Tactile Switch with Pegs, https://www.ckswitches.com/media/1462/pts125.pdf Button Tactile Switch with LCD screen K switch single-pole double-throw spdt ON-ON horizontal MEC 5G single pole double throw, separate symbols | | ----- | --- | ---- | | L1 | 1 | SW_SPDT | Switch, single pole double throw | | C3, C4, C5 | 2 | 47k | Resistor | | | | Tayda | A-4349 | | J2 | 1 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14 | | Tayda | A-4349 | | J1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 | | | U1 | 1 | SW_Push | Push button switch with LED, generic D Push button switch, generic, two pins