Schematic

U2
U12
OUT
VCC
GND
VIN
VOUT
VSS
REL
VDD
ONTIME
VSS
U7
R
1K
+5V
+3V3
+3V3
R
U14
1M
OUT
OUT
OUT
ONTIME
4
3
2
1
U20
PIR-AM412
+3V3
U16
100NF
100NF
U17
3
2
1
U15
XC6206_3V3
U18
1UF
U19
1UF
1
2
3
CON3_ET
1 2
0R
U13
R
+5V