Ask Electronics

4321 readers

1 users here now

For questions about component-level electronic circuits, tools and equipment.

Rules

1: Be nice.

2: Be on-topic (eg: Electronic, not electrical).

3: No commercial stuff, buying, selling or valuations.

4: Be safe.

founded 3 years ago

MODERATORS

DavideAndrea@discuss.tchncs.de

linker3000@discuss.tchncs.de

My old 1-channel relay driver circuit works (lemmy.ml)

submitted 6 days ago* (last edited 5 days ago) by OhmRunner01@lemmy.ml to c/askelectronics@discuss.tchncs.de

11 comments fedilink hide all child comments

so i have shared the it's schematic and board design with the eevblog.com community and they said "that this module will not work and the relay contacts and board tracks can't handle high current" I improved and made the board anyway and tested it with inductive and resistive loads and it works without a problem huh

you are viewing a single comment's thread
view the rest of the comments

[–] OhmRunner01@lemmy.ml 4 points 5 days ago* (last edited 5 days ago)

those are for the low voltage control pins for a gpio (to control the transistor and the supply +5v and GND)