Velleman projects K8049 Assembly instructions - Manual (Page 6)

6
Construction
T1 : BC639
Attention : Mount the transistor on the solder side!
Now bend the transistor towards the pcb, away from the IR & 3mm LED.
7. Transistor
IC1 : VK8049 programmed Pic16F630.
8. IC. Watch the position of the notch!
T1
Solder a wire of 7cm (Ø 0,20mm)to the negative (-) connection of the PCB. The other end of
the wire will be soldered to the negative battery contact later on.
9. Battery contacts
Solderside
FIG. 5.0
FIG. 6.0
FIG. 7.0
Make sure the transistor
connections do not contact
any other parts of the
circuit.