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My first PCB project for LED stairs
Laipt? sistema

184 0 0
laurynas Misiūnas

LITHUANIA

0

0

laurynas Misiūnas
Amutorch flashlight Fet+1 driver .Emisar D4s layout. Anduril compatible.
Amutorch flashlight Fet+1 driver

275 0 0
Kraken

LITHUANIA

1

1

Kraken
R1 - 120R; 0603;C1- 0.1uF; 0603;D1- Schottky diode ; 323;Attiny85 ; SO8 ;6x MEL7135;PCB thickness 1.2mmPrototype to test BLF LATERN FW with separate channels.
D25 Headlamp 2 channel driver

234 0 0
Kraken

LITHUANIA

1

1

Kraken
U85: Attiny85; SO8;7135: MEL7135 350mA LED driver;FET: Low RDSon Nfet; TO252; C1: 0.3-1uF, X5R or better; 0805;C2: 10-…. uF; 0805; Experimenting with moonlight;N1: Low RDSon Pfet for RPP; SOT-23;R1: 4R7; 0805;R2: 100K; 0805;R2: 47R; 0805;R3: 100K; 0805;R4: 120R; 0805 (Aux led);Emisar D4S or BLF GT mini FW compatible.
Flashlight Courui FET+1 Driver

256 0 0
Kraken

LITHUANIA

1

1

Kraken
PT2399 Audio dynamic microphone echo delayLM386 mic preampPower supply single +9V needed.
PT2399 Audio microphone echo delay

745 0 0
saulius659

LITHUANIA

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9

saulius659
160 LED VU meter LED boardYou also need my shared product "160 LED VU meter MAIN board".Here what you are looking at is only LED board to place all the led.
160 LED VU meter LED board

930 0 0
saulius659

LITHUANIA

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9

saulius659
160 LED VU meterBased on LM3916Input is buffered with LF353Full wave rectifier inside.Regulated sensitivity.YOU NEED MAIN BOARD AND LED BOARDHere is what you are looking is MAIN board.Please open another my shared product "160 LED VU meter LED board".
160 LED VU meter MAIN board

1027 1 1
saulius659

LITHUANIA

13

9

saulius659
Hi-Fi Phono Preamp RIAA EqualisationFilm capacitors of good quality you will need.Power supply is dual 15V: +15V, ground, -15V.Board to play your turntable through the amplifier regular audio input.
Hi-Fi Phono Preamp RIAA Equalisation

891 3 4
saulius659

LITHUANIA

13

9

saulius659
Analog VU meter driver boardYou can drive all (almost) analog panel VU meters.Regulated sensitivity on board with trim pots.Power supply needed: dual 15V (+15V, ground, -15V)
Analog VU meter driver board

665 0 1
saulius659

LITHUANIA

13

9

saulius659
PT2399 GUITAR ECHO DELAYYou can regulate DRY/WET, DELAY, FEEDBACKInput is buffered with op amp TL072.Works same time after assembled.
PT2399 GUITAR ECHO DELAY

785 0 0
saulius659

LITHUANIA

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9

saulius659
You can use this circuit if you need to regulate LED brightness.One led can be or any connected in series, please look at the circuit picture. The Current is regulated 0-20mA.
LED brightness current regulator 20mA

235 0 1
saulius659

LITHUANIA

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9

saulius659
### DESCRIPTIONLTZ1000 7V Reference### TECHNICAL DETAILS / COMPONENTS### LEARN / TOPIC / BUILD INSTRUCTIONShttp://www.eevblog.com/forum/metrology/ultra-precision-reference-ltz1000/msg249123/#msg249123
LTZ1000 7V Reference

1628 0 0
Valdas Sablinskas

LITHUANIA

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0

Valdas Sablinskas
### DESCRIPTION120 LED VU meterThe audio "line out" from amplifier or any audio media is the signal source.### TECHNICAL DETAILS / COMPONENTSTwo boards are needed to build this vu meter:SGBoard-A-MAIN-2 / The board for all components exept the LED bargraphs.SGBoard-B-LED-2 / The board for the LED bargraphs (6pcs bargraphs)### LEARN / TOPIC / BUILD INSTRUCTIONSThe board works after you assemble it.You can adjust input level.The circuit drawing with components are in one of the pictures.
120 LED VU meter 1/2 - W39908ASM1_SGBoard-A-Main-2

5428 3 6
saulius659

LITHUANIA

13

9

saulius659
### DESCRIPTION120 LED VU meter The audio "line out" from amplifier or any audio media is the signal source.### TECHNICAL DETAILS / COMPONENTSTwo boards are needed to build this vu meter:SGBoard-A-MAIN-2 / The board for all components exept the LED bargraphs.SGBoard-B-LED-2 / The board for the LED bargraphs (6pcs bargraphs)### LEARN / TOPIC / BUILD INSTRUCTIONSThe board works after you assemble it.You can adjust input level.The circuit drawing with components are in one of the pictures.
120 LED VU METER - W39908ASM2_SGBoard-B-LED-2

4026 5 5
saulius659

LITHUANIA

13

9

saulius659