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Manual Switch

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How do i set up a pulse input for a 555 chip from a power source with no manual switch.?

I have a 555 chip that i want to set up to count down 10min and i have a relay that when activated sends power to the chip but my basic understanding is that the input signal must be less than the output (in the length of the input signal). How do i convert the input signal from a continuous signal to a single pulse?? Does this Make sense??

One way is to use a momentary switch, like a push button. It doesn't stay on, it goes back to it's off positon when you let go of it. This would trigger the timer without being longer than the output. Another way is to put a capacitor in series with the switch. This would cause a pulse when the switch is turned on that would start the timer.

Find Manual Switch On eBay Below:

AMERICAN FLYER O PREWAR MANUAL SWITCH LEFT HAND FOR REPAIR
AMERICAN FLYER O PREWAR MANUAL SWITCH LEFT HAND FOR REPAIR
$9.99
LIONEL POSTWAR MANUAL SWITCH PAIR LEFT  RIGHT W INSTRUCTION SHEET ORIG BOX C7
LIONEL POSTWAR MANUAL SWITCH PAIR LEFT RIGHT W INSTRUCTION SHEET ORIG BOX C7
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K LINE K 263 O 27 GAUGE MANUAL LEFT HAND SWITCH 27 CURVE in box
K LINE K 263 O 27 GAUGE MANUAL LEFT HAND SWITCH 27 CURVE in box
$5.50
K LINE K 263 O 27 GAUGE MANUAL LEFT HAND SWITCH 27 CURVE in box Complete
K LINE K 263 O 27 GAUGE MANUAL LEFT HAND SWITCH 27 CURVE in box Complete
$11.00
K LINE K 264 O 27 GAUGE MANUAL RIGHT HAND SWITCH 27 CURVE in box Complete
K LINE K 264 O 27 GAUGE MANUAL RIGHT HAND SWITCH 27 CURVE in box Complete
$11.00
K LINE K 264 O 27 GAUGE MANUAL RIGHT HAND SWITCH 27 CURVE in box Missing pins
K LINE K 264 O 27 GAUGE MANUAL RIGHT HAND SWITCH 27 CURVE in box Missing pins
$11.00
LIONEL O 27 GAUGE MANUAL RIGHT HAND SWITCH 27 CURVE NO BOX
LIONEL O 27 GAUGE MANUAL RIGHT HAND SWITCH 27 CURVE NO BOX
$12.00
LIONEL POSTWAR  1022 SWITCH TRACK MANUAL LEFT FOR 027 Track AS IS
LIONEL POSTWAR 1022 SWITCH TRACK MANUAL LEFT FOR 027 Track AS IS
$7.99
Pair of LIONEL No 1022 Manual Switches Left  Right w Red Plastic Indicators
Pair of LIONEL No 1022 Manual Switches Left Right w Red Plastic Indicators
$12.50
LIONEL 1024 POSTWAR MANUAL SWITCH LOT PARTS OR REPAIR
LIONEL 1024 POSTWAR MANUAL SWITCH LOT PARTS OR REPAIR
$7.50
O Scale K Line Lot of 6 Manual Control Switches
O Scale K Line Lot of 6 Manual Control Switches
$9.99
4 pair 8 pieces Lionel Postwar O42 Manual Switches LOT
4 pair 8 pieces Lionel Postwar O42 Manual Switches LOT
$46.00
Vintage Lionel O27 Gauge 6 5021 6 5022 MANUAL Right  Left Hand Control Switch
Vintage Lionel O27 Gauge 6 5021 6 5022 MANUAL Right Left Hand Control Switch
$25.00
LIONEL POST WAR SUPER O INSTRUCTION SHEET FOR 142 MANUAL SWITCH 569522
LIONEL POST WAR SUPER O INSTRUCTION SHEET FOR 142 MANUAL SWITCH 569522
$1.97
AMERICAN FLYER O PREWAR LEFT RIGHT MANUAL SWITCH TRACK 570103
AMERICAN FLYER O PREWAR LEFT RIGHT MANUAL SWITCH TRACK 570103
$9.85
LIONEL 6 81251 FASTRACK 031 RIGHT HAND MANUAL SWITCH
LIONEL 6 81251 FASTRACK 031 RIGHT HAND MANUAL SWITCH
$32.95
LIONEL 6 81252 FASTRACK 031 LEFT HAND MANUAL SWITCH
LIONEL 6 81252 FASTRACK 031 LEFT HAND MANUAL SWITCH
$32.95
AMERICAN FLYER SWITCH PAIR 3 RAILNumber 468 MANUAL FROM 1930s E PLUS OB
AMERICAN FLYER SWITCH PAIR 3 RAILNumber 468 MANUAL FROM 1930s E PLUS OB
$30.00
Lionel Pair of 1022 Manual Hand Switches  Pair of 1122 remote switches
Lionel Pair of 1022 Manual Hand Switches Pair of 1122 remote switches
$21.00
Lionel Fastrack Manual Switch Replacement 6102017094 Red Signal Lever NEW
Lionel Fastrack Manual Switch Replacement 6102017094 Red Signal Lever NEW
$8.25
LIONEL O27 Left Hand 27 Diameter Path Manual Switch Track 6 65021
LIONEL O27 Left Hand 27 Diameter Path Manual Switch Track 6 65021
$12.88
NIB K Line Electric Trains K 264 O 27 Gauge Manual Control Switch Right Hand
NIB K Line Electric Trains K 264 O 27 Gauge Manual Control Switch Right Hand
$25.00
LIONEL TRAIN RIGHT MANUAL SWITCH RAILROAD CROSSING TRACKS 0 27 SCALE FOR REPAIR
LIONEL TRAIN RIGHT MANUAL SWITCH RAILROAD CROSSING TRACKS 0 27 SCALE FOR REPAIR
$3.99
Vintage Lionel 042 Pair of manual switch tracks Parts or Repair
Vintage Lionel 042 Pair of manual switch tracks Parts or Repair
$7.99
MARX MANUAL LEFT HAND 027 SWITCH GOOD W53
MARX MANUAL LEFT HAND 027 SWITCH GOOD W53
$3.36
Marx Trains Large 034 Manual Switch Set Plus One Electric Switch
Marx Trains Large 034 Manual Switch Set Plus One Electric Switch
$39.99
LIONEL O GAUGE PREWAR 254E MANUAL REVERSE SWITCH LOCOMOTIVE IN OLIVE WITH BOX
LIONEL O GAUGE PREWAR 254E MANUAL REVERSE SWITCH LOCOMOTIVE IN OLIVE WITH BOX
$185.00
Lionel Manual Control Switches Left and Right O27 Gauge
Lionel Manual Control Switches Left and Right O27 Gauge
$19.50
K Line K 374 42 Manual Right Hand RH Turnout Switch Track O Gauge O Scale
K Line K 374 42 Manual Right Hand RH Turnout Switch Track O Gauge O Scale
$8.98
Lionel 027 Gauge Manual Control Switch Turnout Right Hand RH 6 5022
Lionel 027 Gauge Manual Control Switch Turnout Right Hand RH 6 5022
$14.99
Lionel Vintage 027 Gauge Manual Control Switch Left Hand w Box 6 5021 railroad
Lionel Vintage 027 Gauge Manual Control Switch Left Hand w Box 6 5021 railroad
$12.99
Lionel Vintage 027 Gauge Manual Control Switch right Hand w Box 6 5022 train
Lionel Vintage 027 Gauge Manual Control Switch right Hand w Box 6 5022 train
$12.99
Vintage Lionel used manual switches 042  1022 Parts
Vintage Lionel used manual switches 042 1022 Parts
$9.95
LIONEL O GAUGE MANUAL SWITCHES 2 SETS  CROSSOVERS  VERY CLEAN
LIONEL O GAUGE MANUAL SWITCHES 2 SETS CROSSOVERS VERY CLEAN
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Lionel Super O 142 Right Hand Manual Control Switch
Lionel Super O 142 Right Hand Manual Control Switch
$29.99
Lionel new 6 5021 Left hand Manual control switch
Lionel new 6 5021 Left hand Manual control switch
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Dorfan prewar o gauge manual switches
Dorfan prewar o gauge manual switches
$3.70
Lionel Trains FasTrack 0 36 RH Manual Switch w insruction
Lionel Trains FasTrack 0 36 RH Manual Switch w insruction
$44.95
Lionel Manual Control Switch Left And Right Hand 027 Gauge NIB
Lionel Manual Control Switch Left And Right Hand 027 Gauge NIB
$30.00
LIONEL FAST TRACK 6 12018 O 36 MANUAL RIGHT HAND SWITCH DAMAGED
LIONEL FAST TRACK 6 12018 O 36 MANUAL RIGHT HAND SWITCH DAMAGED
$15.00


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