Search found 7 matches

by LouisDong
Thu Nov 29, 2018 12:28 pm
Forum: PCB Design
Topic: Beginner PCB design for LED clock
Replies: 1
Views: 2761

Beginner PCB design for LED clock

Hi everyone, I'm designing an LED clock using an Arduino, 74HC595s for the control, and ULN2803s for grounding the LEDs. I've got everything working on a breadboard, designed on a schematic and a first version laid out on a pcb in Eagle. I've never designed a pcb before,Usually, PCBGOGO helps me com...
by LouisDong
Wed Nov 28, 2018 12:35 pm
Forum: The off topic lounge
Topic: Comments on a metronome schematic and board?
Replies: 1
Views: 3212

Comments on a metronome schematic and board?

I've been working on metronome based on the Atmega328P and the Arduino language, although using a discreet microcontroller chip. It has six high brightness LEDs to indicate the beats, a buzzer, OLED display, some push buttons to control the thing, some more indicator LEDs and a 3,7 V LiPo battery wi...
by LouisDong
Thu Nov 22, 2018 4:42 pm
Forum: PCB Design
Topic: Did I design this right?
Replies: 0
Views: 10183

Did I design this right?

Hello, I've been working on designing a custom PCB for a custom mech keyboard, and I have no clue if I did it right. I have zero experience doing anything like this, and worked following a guide online mostly. Did I wire it correctly, even if it is messy? Did I do some really big mistake? Here are s...
by LouisDong
Wed Nov 21, 2018 1:55 pm
Forum: Your projects
Topic: Digital Compass using Arduino and HMC5883L Magnetometer
Replies: 0
Views: 16628

Digital Compass using Arduino and HMC5883L Magnetometer

Since the sensor could indicate the geo-graphic North, South, East and West, we humans could also use it at times when required. So in this article let us try to understand how Magnetometer sensor works and how to interface it with a microcontroller like Arduino. Here we will build a cool Digital Co...
by LouisDong
Fri Nov 16, 2018 12:44 pm
Forum: The off topic lounge
Topic: Maybe you can accept this Thanksgiving gift.
Replies: 0
Views: 10584

Maybe you can accept this Thanksgiving gift.

Hi everybody,I'm Mike from PCBGOGO.PCBGOGO are mainly in PCB prototype and assembly manufacturing services for over 10 years.Now we are doing a special offer.Just sign up for an account on our website and get a $20 USD coupon for free. Click here to checkout. In addition, during the Thanksgiving Day...
by LouisDong
Mon Nov 12, 2018 3:01 pm
Forum: PCB Design
Topic: JLCPCB - PCB only $2 :)
Replies: 7
Views: 11069

Re: JLCPCB - PCB only $2 :)

PCBGOGO are mainly engaged in PCB prototyping and assembly manufacturing services for more than 10 years.New user registration will receive a free $20 coupon.

In addition, near Thanksgiving, PCBGOGO also have a fee reduction activity, and will also give some gifts for Thanksgiving.
by LouisDong
Fri Nov 02, 2018 5:20 pm
Forum: Online Shopping
Topic: get a coupon for free and send a T-shirt
Replies: 0
Views: 16967

get a coupon for free and send a T-shirt

Hello,everyone.I'm Mike from PCBGOGO . We are mainly engaged in PCB prototyping and assembly manufacturing services for more than 10 years.Now in order to attract new customers, you can get a $20 coupon for free by signing up for an account on our website.In other words, you only need to spend 5 dol...