Blogs
The NRF23 is failing? Why?

Why is that? Could be noise, the antenna, the SPI communication or maybe the power supply. Let me twll you why and how to improve it

24 days ago | by: ELECTRONOOBS
ELEGOO Unveils First 8K LCD Screen 3D Printer

ELEGOO, a leading company specializing in the research, development and production of 3D printers, today launched the Saturn 2 8K MSLA Printer , the first 8K printer in its product portfolio, at a competitive price of $500. It also introduced a new series of 8K resins, its latest Mercury XS Bundle Washing and Curing machine , and the Neptune 3 FDM printer. The latest line of products will be available for purchase starting May 28, 2022 at the ELEGOO Official Store.

1 month ago | by: ELECTRONOOBS
Arduino device that anticipates power outages

Our reliance on electronic devices and appliances has never been higher, so when the power goes out, it can quickly become an unpleasant and inconvenient situation, especially for those who are unable to prepare in time. 

1 month ago | by: ARDUINO TEAM
Positron 3D Printer Version 3
By abandoning many design conventions, KRALYN3D was able to create an innovative portable 3D printer that stands out from the crowd and now version 3 is ready.
1 month ago | by: K R A L Y N 3D
OLED Rotary Dial

The 128×64 I2C/SPI OLED display is often included in a myriad of projects that need some way to show data, including text, shapes, or basic graphs. YouTuber ‘upir’ was able to take this concept one step further by turning his graphic OLED screen into a virtual circular dial that can respond in real-time to an external potentiometer connected to an Arduino Uno using the U8glib library.

2 months ago | by: ARDUINO TEAM
Digital OURA RING

If you wonder how it’s possible to fit a fitness tracker into a ring, well, you’re not alone. [Becky Stern] sent one off to get CT scanned, went at it with a rotary tool, and then she made a video about it.

2 months ago | by: Elliot Williams
Arduino device uses tinyML to help wearers recover from shoulder injury

Shoulder injuries can be quite complex and require months of careful physical therapy to overcome, which is what led to Roni Bandini to build a tinyML-powered wearable that monitors a patient’s rotator cuff movements to aid in the recovery process. His system is designed around a Nano 33 BLE Sense and its onboard accelerometer that measures both the types and frequencies of certain shoulder motions. 

3 months ago | by: ARDUINO TEAM
How to order Full PCB Assembly Service

If you want to order an SMT service you must follow this guide. Get all the components soldered automatcially to your PCB and receive the final product. Like that you can sell your PCBs. 

4 months ago | by: ELECTRONOOBS
Homemade air hockey table

The classic tabletop game of air hockey has existed in its current form for decades, and while it can be fun initially, the lack of exciting components can make it dull after a while. So, in order to exercise his creative and technical skills, Silas Hansen decided to create his own spin on the game by making an air football table. 

4 months ago | by: ARDUINO TEAM
James Bruton’s self-balance robot

Omni wheels, sometimes referred to by the trademarked Mecanum name, are special wheels lined with rollers. Thanks to the orientation of the rollers, a vehicle equipped with four omni wheels (each driven independently) can move in any direction by vectoring each wheel relative to the others. A typical setup includes four omni wheels, but James Bruton proved that even a single one is useful when he built this strange self-balancing bicycle robot.

4 months ago | by: ARDUINO TEAM
PCB coils for Transformer

Those readers who have experimented with winding their own inductors will know that it’s not an easy task, and when those inductors are handling high voltages it can be especially tricky to maintain adequate insulation between layers of windings.

4 months ago | by: Jenny List
Metal Detector - Detects Rock Music

After learning about the basics of embedded ML, industrial designer and educator Phil Caridi had the idea to build a metal detector, but rather than using a coil of wire to sense eddy currents, his device would use a microphone to determine if metal music is playing nearby. 

4 months ago | by: ARDUINO TEAM









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ESP32 IOT and Arduino Database + POST method
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All about Capacitors

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