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PCB

Printed circuit board. PCB is used in almost all modern electronic devices and accessories.

In this tutorial I am going to create a chaser circuit that can drive 20 or more LEDs using 555 timer IC and CD4017 decade counter.

100 LED Chaser Circuit Using IC555 and CD4017

555

9

0

tarantula3

tarantula3

555

9
Review Elecrow Pico W5

146

4

0

J c

J c

146

4
Created a small "PCB Christmas Forest" which is going to light up my study table this Christmas.

PCB Christmas Forest

518

9

0

tarantula3

tarantula3

518

9
Top and bottom plates for Klein Split Keyboard

499

10

0

Rakesh K

Rakesh K

499

10
Headphone amplifier published in “Transistor Gijutsu” magazine

TRHA01 - a headphone amplifier with PCB case

308

5

0

HND

HND

308

5
Christmas tree 100*100mm, ws2812b-2020 RGB LED

Christmas tree 2024

781

6

0

Kapacita22uF

Kapacita22uF

781

6
This Portable Mini Weather Station, powered by ESP12F and a vibrant 1.5" TFT display, fetches accurate weather updates

Portable Mini Weather Station: Real-Time Weather Updates wit

691

9

1

2nd Electronic Design Contest

DIY TECHOS

DIY TECHOS

691

9
Holiday Tree2 Ornament by Alex Grede

356

5

0

David

David

356

5
Keychain with 4 ws2812b-2020 LEDs, MCU ch32v003 and USB

Keychain -dog

1494

9

1

2nd Electronic Design Contest

Kapacita22uF

Kapacita22uF

1494

9
Christmas ball light -6*RGB LED, IR RX,TX, CH32V003F4U6, charger

Christmas ball 2024

551

4

0

Kapacita22uF

Kapacita22uF

551

4
PCB HEART, 5*RGB LED WS2812B-2020,CH32V003

PCB HEART

981

9

1

Kapacita22uF

Kapacita22uF

981

9
Elecrow Christmas Tree by Gerrit Maus

548

5

0

David

David

548

5
Headphone amplifier published in “Transistor Gijutsu” magazine

TRHA01r - a headphone amplifier with PCB case (with no-SMD)

304

4

0

HND

HND

304

4
Completed Board

252

5

0

Yuki Shindo

Yuki Shindo

252

5
This PCB is compatible with KD8CEC's firmware, enabling full-band HF reception on the UV-K5, and it uniquely integrates an antenna splitter.

UV4732_03 UV-K5 HF Full Band Receiving Module

884

5

0

HND

HND

884

5
Christmas star built on 18 LED diodes.

Christmas star

790

4

0

Marek Szymczyk

Marek Szymczyk

790

4

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