Quantity   Component name
1 × TLC551CD Clock and Timer ICs / Timer ICs
1 × TSZ122IYDT Dual Operational Amplifier
1 × BAS286 Discrete Semiconductors / Diodes and Rectifiers
2 × FDN5618P P type FET
3 × BC849B NPN transistor
1 × LT3092 Current Source
1 × Switch Momentary
1 × Battery clip 20 mm coin cell