SWCAN adapter for Open Vehicle Monitoring System (OVMS)
The adapter is used for supporting 1-wire swcan bus in OVMS for GM vehicles. Tested with Chevrolet Volt. Can be suitable for Opel Ampera, Chevrolet Bolt, other GM cars.
OVMS firmware must be compiled with the swcan module selected in the configuration.
Installation: insert the adapter to the expansion slots. In some OVMS PCBs GEP7 is not routed to DSUB9_1. In this case you need to manually connect SWCAN J4 on the adapter board to DB9 pin1. Then the car's swcan bus must be connected to DB9 pin 1, not to CAN2.
U1,MCP2515ISO
U2,TH8056,SO14
L1,47uH
X1,16mhz
R1,10k
R2,10k
R3,10k
R4,10k
R5,NC
R6,NC
R7,1k
R8,6.49k
C1,0.1u
C2,22pf
C3,22pf
C4,100pf
C5,100pf
C6,0.1u
C7,10u
J1,14 pin, 2mm pitch, 2pcs
J2,NC
J3,NC
J4,SWCAN, connect only if GEP7 not routed to DSUB9_1 in the OVMS board.
J5,NC
J6,NC
J7,NC
SWCAN adapter for Open Vehicle Monitoring System (OVMS)
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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