Mini low cost PIR Sensor - PIR_YX-358A

cheap +/- 1$
small
easy to use
easy to modify

Details

Working voltage:100-240V
Load power: 40W
Static current: ＜ 50μA
Time delay: 45s
Induction angle: 110 °
Induction distance: 4-6M

know problem

Many devices have only a delay of ~20sec There are different versions of the PCB

kown facts

all versions have the same, very simple AC/DC PCB
all versions use the chip called SP015 A

The version that I got, possibly the newest one

230V side

3.3V side (C1 is accidentally missing ^^)

ONTIME MOD

technical details

how to mod, I use a 260K resistor and got around 45 secounds

Other Version

Here the resistor R10 is responsible for the delay. To change the delay

160K Ohm - 23 seconds
220K Ohm - 30 seconds
300K Ohm - 1 minute
470K Ohm - 3 minutes