

Tx is LED On timer.
Factory default is 36 second.
Tx = 40,000 x R2 (Ω) x C1 (F)
= 40,000 x 180,000 x 5 nF x 10-9
= 4 x 1.8 x 5
= 36 second
Ti is inhibit movement after LED Off timer.
Factory default is 5.8 second.
Ti = 56 x R3 (Ω) x C2 (F)
= 56 x 2,200,000 x 47 nF x 10-9
= 5.8 second
ModifiedI cut out the
blue line and connect Pin 1 to V+ but it short circuit the batteries V+ to Ground. It's possible that there is some track under the IC. So can't config as retriggerable.
Next modified R2 to 475K + 475K in series.
Tx = 40,000 x R2 (Ω) x C1 (F)
= 40,000 x 950,000 x 5 nF x 10-9
= 4 x 9.5 x 5
= 190 second
Next modified R3 to 100K + 2.2M in parallel.
Ti = 56 x R3 (Ω) x C2 (F)
= 56 x 95,652 x 47 nF x 10-9
= 0.25 second
