Hobby Circuits and Small Projects Problems

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Hobby Electronics Circuits, circuits samples, electronics in house and in cars, amplifiers, subwoofers, trasmitters, receivers, generators, meters.
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Slow but precise blinking LED
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3
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2K
schmitt trigger
J
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Speeding up brushless fans
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3
Views
4K
BrunoARG
B
T
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Laser power measurement
Replies
3
Views
3K
BrunoARG
B
A
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BMP280 Pressure Sensor Maximum Pressure
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2
Views
3K
FvM
D
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What Is This Symbol? Like two circles overlapping
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3
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12K
ElectricalEngineering
E
N
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Wind Velocity Control in Wind Tunnel
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5
Views
3K
FvM
A
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Using Co-amplifier with L297 to drive mosfets
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8
Views
4K
asad111
A
F
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PCB for currents upto 8A
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13
Views
4K
c_mitra
C
J
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Trip when relay triggered...
Replies
9
Views
3K
andre_luis
D
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[moved] Solar panel selection
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4
Views
2K
c_mitra
C
W
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Voltage Stabilizer problem
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2
Views
2K
E-design
T
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Music through RF，will it be a new solution?
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2
Views
2K
BradtheRad
B
B
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Battery power consumption meter/logger (6S LiPo up to 30A)
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1
Views
2K
KlausST
G
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Calculating base resistor for controlling common cathode of 7 segment display
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16
Views
7K
Audioguru
B
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[SOLVED] RS232 - PIC sending data to PC
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6
Views
4K
brunofunchas
B
E
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Amazon Echo controlled IR transmitter
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2
Views
2K
Eric.hntr
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T
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Connecting wires on 2 sides
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2
Views
2K
toiletmirror
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S
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Troubles about Copying FATAS on STM32F469
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0
Views
2K
shay1995
S
S
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Need a relay or chip 24vac DPST
Replies
3
Views
2K
barry
P
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gints oleg (GO) esr meter
Replies
5
Views
4K
peter g
P
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