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L
Transistor as a current limiter
2 3 4
Replies
60
Views
5K
Jasen Betts
J
I
Roomba vacuum cleaner
Replies
1
Views
869
tuinkabouter
T
K
rc timer circuit help
Replies
7
Views
1K
Fred Abse
F
K
Is this homemade battery charger circuit dangerous?
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3
Views
1K
ehsjr
E
M
How do you make a LED to short itself?
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10
Views
1K
Daniel Pitts
D
G
Soldering 550m of copper wire
Replies
17
Views
2K
amdx
A
M
Making DC battery Power
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11
Views
970
Meanie
M
M
Tying both inputs of an opamp to the output
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3
Views
1K
YD
Y
M
Would a LED short itself?
2
Replies
29
Views
2K
Daniel Pitts
D
M
What is Eco harmonics ?
Replies
2
Views
987
mowhoong
M
M
Can 2.5V to light up a typical 3mm LED?
2
Replies
22
Views
2K
Mr. Man-wai Chang
M
G
Arduino starter kit
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10
Views
1K
Michael Black
M
G
Amplifier for frequency generator
Replies
11
Views
1K
Fred Abse
F
M
diy thermometer sensitivity
2 3 4
Replies
66
Views
5K
[email protected]
M
B
1 mm^2 PV Cell
Replies
11
Views
1K
the letter K
T
A
HELP: Issue with Powering a Door bell on a Relay
Replies
6
Views
2K
ehsjr
E
M
DC 17V from PC power supply?
Replies
14
Views
2K
Michael Black
M
B
which flux pen for solar cells
Replies
1
Views
1K
Jamie
J
O
Security System
Replies
2
Views
936
Tom Biasi
T
M
Help with battery installation
Replies
4
Views
875
Meanie
M
A
Help with Bill Bowden Game Show Who's First Circuit
Replies
1
Views
1K
Ariel Suero
A
B
How to clean my tuning capacitor?
Replies
10
Views
7K
Bill Bowden
B
D
How to get 1.5 volts out of a wall-wart power supply's 3 voltoutput...I am new to this group I belie
Replies
11
Views
3K
[email protected]
M
G
Electric scooter speed contoller
Replies
6
Views
1K
George Herold
G
I
Sorting resistors
Replies
15
Views
2K
T
T
I
9 LED flashlight batteries question
Replies
12
Views
1K
Jamie
J
C
Help needed... Toggle switch for LED lighting circuit
Replies
11
Views
2K
Jasen Betts
J
I
viewing posted schematics on this site
Replies
7
Views
1K
Ivan Vegvary
I
S
Freezer Alarm
Replies
8
Views
1K
steve
S
T
printed inductors
2
Replies
28
Views
3K
Tim Williams
T
I
two way communication
Replies
0
Views
867
Igor
I
A
Timer problem with Parallel port monitoring
Replies
7
Views
1K
P E Schoen
P
I
Testing machine errors with MCU based device
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6
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Igor
I
T
Whole house fan motor
Replies
10
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1K
ehsjr
E
D
5v 20mA max output driving a 5v 500mA max circuit.
Replies
11
Views
2K
Daniel Pitts
D
A
comments on this DC power supply?
Replies
1
Views
869
Helmut Wabnig
H
A
name & function of this component cover? (RF shield?)
Replies
14
Views
1K
Fred Abse
F
A
How to bootstrap
2
Replies
30
Views
3K
whit3rd
W
I
Need help with oven schematic
Replies
6
Views
1K
George Herold
G
B
Small signal RF amplifier ideas?
Replies
0
Views
860
Bill Bowden
B
I
Telephone parts?
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5
Views
998
Ivan Vegvary
I
M
Analyzing circuits with tapped inductors
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10
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M. Hamed
M
B
Cam Setup
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0
Views
884
BeeJ
B
B
USB Motion Detector & Camera
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5
Views
972
Bret Cahill
B
W
Old Sony 250 tape recorder meets my TV
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3
Views
1K
[email protected]
S
D
First electronic table-top calculating machine "Sumlotronic(?)"
Replies
3
Views
1K
Helmut Wabnig
H
W
Radio hiss. Power Supply?
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1
Views
934
ehsjr
E
M
Cheap small component bags
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Michael Black
M
M
Soldering newbie
2
Replies
36
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Jamie
J
W
HP printer won't power up
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Views
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W. eWatson
W
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