Meteo schematic
3v3
DHT-11 connected to PB5 on BluePill
DS18B20 to PA15 on BluePill
MBP280 to SDA (PB7) and SCL (PB6)
GY-63 U4
vcc gnd scl soa
r.nd
r.nd
w3
vcc* sig
1UK
gnd
r.nd
Ii
tx rx sda scl s 6 gp1gp2 c,p«, im
gp3gp4 gp1gp2 s 6 sda scl tx rx
gnd
gnd
j3
vsms«
sck cs s 6 gpsgp6 gp7gp8
c.p/c.pa c.cst,l* 5 6 sck cs mswso
gnd
l.Ml
gnd
3v3
U2
DS1BB20
r.nd
gnd