C1 33pF 50v D1 AA117 C2 470uF 16v elect D2 AA117 C3 470uF 16v elect D3 1N4004 C4 100uF 16v elect TR1 2N1711 npn C5 1000pF 50v R1 1ohm C6 4700pF 50v RL 12v relay Switches 2 x toggle