LED technology is opening the door to a variety of high-power-illumination applications. The circuit in Figure 1 can let you know when ac power is available. To drive a power LED from the ac line requires a converter or a similar arrangement. In this circuit, a passive dropper greatly simplifies the total design. You can […]
FLASH AN LED FROM AC-MAINS POWER Continue Reading
The official Arduino team responsible for creating awesome microcontrollers and a leading platform in the maker and educational communities, has joined forces with Silicon Labs, a prominent player in the world of microcontrollers and wireless chips. This collaboration is set to bring the Matter protocol, a new standard for smart home devices, into the Arduino environment. This move is
Arduino and Silicon Labs partner to make Matter protocol more accessible Continue Reading
A laser security alarm stands out as a highly effective system designed to detect any object or individual’s presence. Within a designated room, multiple laser beams are often employed. Reflective mirrors are commonly utilized to create a laser grid. When any object intersects these beams, triggering contact with the laser, the alarm system activates instantly.
Creating a DIY Laser-Based Room Security Alarm Continue Reading
LASER COMPONENTS has expanded its range of VCSEL lasers. Its wide range of products now includes emitters with 850nm and 940nm in power classes between 200mW and 50W. All products are characterized by extremely short rise times and thus support pulse trains in the low nanosecond range and below. Thanks to the semiconductor structure, the
VCSEL LASERS POWERFUL EMITTERS WITH SHORT RISE TIMES Continue Reading
Interested in starting your bike without a traditional key? Absolutely! We’ve developed a project tailored for tech enthusiasts eager to incorporate advanced technology into their bikes. Through our keyless bike project, you gain full control over your bike, including engine start and ignition. Additionally, you can conveniently locate your bike with the click of a
Innovative Keyless Bike Technology: Arduino and Android App Integration Continue Reading
The Internet of Things (IoT) landscape is a dynamic and rapidly evolving field, with the Arduino Cloud platform standing as a key player. Recently, this platform has undergone a significant upgrade, a testament to Arduino’s commitment to fostering community-driven innovation. This upgrade, largely influenced by user feedback, has transformed the platform into a more intuitive, powerful, and user-friendly tool, making IoT
Arduino Cloud for IoT and more enhanced further from user feedback Continue Reading
TEC Microsystems introduces the new 1MA10 Series of thermoelectric coolers, with aluminum plates instead of ceramics. All 1MA10 thermoelectric coolers have bare metal, aluminum plates instead of ceramics. Aluminum instead of ceramics is the key approach in TEC manufacturing. According to the company, aluminum is easy to machine, it has suitable thermal conductivity than ceramics, and it matches
TEC MICROSYSTEMS INTRODUCES NEW THERMOELECTRIC COOLERS WITH ALUMINUM PLATES Continue Reading
Nexperia released a new set of GaN FET devices (650 V GAN041-650WSB in TO-247 and GAN039-650NBB in CCPAK) that feature the company’s high-voltage GaN HEMT H2 technology in both TO-247 and the company’s proprietary CCPAK surface mount packaging. The cascode within the devices allows for higher levels of switching FOMs and on-state performance.Features of the new GaN FET devices, per a
NEXPERIA RELEASES NEW GAN FET DEVICES Continue Reading
Murata Manufacturing Co., Ltd. has introduced the BLM18SP_SH1 series of the world’s smallest chip ferrite beads (for noise suppression) for use in automotive power supply applications. The company has started shipping samples, and volume production is scheduled to begin in June 2020. In recent years, in keeping with the progress of automobile electrification, cars have been
WORLD’S SMALLEST FERRITE CHIP BEADS TARGET AUTOMOTIVE POWER SUPPLY APPLICATION Continue Reading
The limited funding and job opportunities in the humanities field make it challenging for emerging scholars to pursue additional knowledge. As scholars must acquire extensive knowledge within their respective disciplines, they must also create coherent projects within an academic context. This situation creates difficulties for educators to learn and develop technology-related curriculum. However, there is
Making Sounds with Arduino Continue Reading
