Daylight Visible Bike Light - Front/Rear Combo - 100 Lumens on 2 AA's

Step 9 Add some connections

the first image shows 3 connections all circuits need.

the 2nd image shows stuff for various options.

the 3rd image shows some more connections needed by all circuits

R3, R4 connections: if you are doing the front headlamp, connect one end of R4 to pin 8 of the 555 (next to the diode and wire shown). if you are doing the front blinker, connect R4 if used to pin 2 of the PFET. R3 always goes to pin 2 of the PFET if used.