Schematic

COM NC NO COM NC NO
ReferenceDesignsAREPROVIDED"ASIS"AND"WITHALLFAULTS.ArduinoLLCDISCLAIMSALLOTHERWARRANTIES,EXPRESSORIMPLIED, REGARDINGPRODUCTS,INCLUDINGBUTNOTLIMITEDTO,ANYIMPLIEDWARRANTIESOFMERCHANTABILITYORFITNESSFORA PARTICULARPURPOSE ArduinoLLCmaymakechangestospecificationsandproductdescriptionsatanytime,withoutnotice.TheCustomermustnot relyontheabsenceorcharacteristicsofanyfeaturesorinstructionsmarked"reserved"or"undefined."ArduinoLLCreserves theseforfuturedefinitionandshallhavenoresponsibilitywhatsoeverforconflictsorincompatibilitiesarisingfromfuturechangestothem. TheproductinformationontheWebSiteorMaterialsissubjecttochangewithoutnotice.Donotfinalizeadesignwiththisinfo
GND
+3V3
G5V13DC G5V13DC
BSS138PS BSS138PS
GND GND
100k
10R
100k
10R
GND GND
+3V3 +3V3
+3V3
GND
100R 100R 100R 100R
10k
GND
10k
GND
10k
GND
10k
GND
AREF DAC0/A0 A1 A2 A3 A4 A5 A6 0 1 ~2 ~3 ~4 ~5
6 7 8/MOSI 9/SCK 10/MISO 11/SDA 12/SCL 13/RX 14_TX RESET GND 3.3V VIN 5v
1*2 2*2 3*2 4*2 5*2 6*2 7*2 8*2 9*2
10*2 11*2 12*2 13*2 14*2
1*2 2*2 3*2 4*2 5*2 6*2 7*2 8*2 9*2 10*2 11*2 12*2 13*2 14*2
RELAY1 RELAY2
D1 D2
T1T1
2
61
T1T2
5
34
R1
R2
R3
R4
X1-1 X1-2 X1-3 X1-4 X1-5 X1-6
X2-1 X2-2 X2-3 X2-4 X2-5 X2-6 X2-7 X2-8
R5
R6 R7 R8
R9
R10
R11
R12
CMD1
CMD1
CMD2
CMD2
SCL
SCL
SDA
SDA
A
B
C
D
E
1 2 3 4 5 6 7 8
A
B
C
D
E
1 2 3 4 5 6 7 8