Ground bus for a bunch of LEDs? (8)

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a bunch 8 arranged in circle 2" (5cm) in diameter. i've run some difficulty wiring these i'd share plans here because i've  gotten helpful recommendations.

the leds glued holes in acrylic box base portion above surface of acrylic. mounted on underside of lid movement between leds , connection pcb expected, during construction.

plans supply lead bend leg of led parallel underside of lid , few mm above it. solder stranded wire leg , cover solder joint shrink wrap. plan put dab of hot melt glue on base of led act strain relief legs.near hinge snub leads lid there no movement @ led. (lead, lid, led... did type of correctly on first try?  ;d ) run leads around circle, binding them either more shrink wrap or zip ties (or perhaps cable lacing.)

i same ground leads, seems waste of wire since connected together. i'm thinking decent way provide common ground connection 8 leds. first attempt included bare wire bent in circle , soldered ground leg of each led. connection 1 on end , run ground on processor completes part of circuit.

is bare ground wire ok? 1 alternative use insulated wire , strip small section @ each led expose bare wire soldering. reduce exposure of ground wire. paint solder connection liquid electrical tape further reduce exposure. (it might make sense paint supply side of led too.)

in addition, there 4 push-buttons outboard of ring of leds require ground connections. (the other connection on each push-button goes digital input configured internal pullup resistor enabled.)

i'm interested in hearing other strategies have been employed similar ground connections. surely others have faced same issue.

thanks!

the way have problem shorting have both wires bare , floating. going insulate , restrain active wire no problem wire bare ground. can wire ground wires ring , use 1 common wire connect arduino.

i assume ground ring held in place led leads.

weedpharma


Arduino Forum > Using Arduino > General Electronics > Ground bus for a bunch of LEDs? (8)


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