TDK Corporation announces the addition of higher power, three-phase AC input models to the TDK-Lambda DRB series of DIN rail mount power supplies. With 24V, 48V, and 72V outputs, the products are rated for continuous operation at 480W or 960W and can deliver a boost of 720W and 1440W respectively for up to seven seconds.…
TDK boosts capacitance in compact 100 V automotive MLCCs for 48 V electrical systems
TDK Corporation has expanded its CGA series of multilayer ceramic capacitors (MLCCs) to 2.2μF in 2012 size (2.0 x 1.25 x 1.25mm – L x W x T) and 4.7μF in 3216 size (3.2 x 1.6 x 1.6 mm – L x W x T), with the industry’s highest capacitance*, as 100V products for automotive…
TDK introduces series of industrial ac-dc power suppliers
TDK Corporation announces the introduction of the ZWS-C series of 10, 15, 30, and 50W-rated industrial AC-DC power supplies. The products meet EN55011/EN55032-B conducted and radiated EMI in either a Class I or Class II (double insulated) construction, without the need for external filtering or shielding. With electrolytic capacitor lifetimes of up to 15 years,…
Arduino-based optical proximity sensor using IR LEDs
Proximity sensors are used to detect something approaching near. These sensors are useful in many applications like collision avoidance, obstacle detection, path following, touchless sensing, motion detection, and object detection. There are different types of proximity sensors like optical, ultrasonic, capacitive, inductive, and magnetic. The capacitive, inductive, and magnetic proximity sensors are used in specific…
What role do automotive sensors play in modern vehicles?
A network of sensors is embedded throughout vehicles, serving as a critical type of “nervous system” that detects and measures different automotive parameters. This network is essential for a vehicle’s safety, performance, and efficiency. Several types of sensors are responsible for different roles, such as monitoring the temperature of engine components, the speed of the…
CUI Devices expands DC axial fan line with IP68-rated waterproof models
CUI Devices’ Thermal Management Group announced the addition of IP68-rated fan models to its line of DC axial fans. These waterproof DC fans offer complete protection against moisture and dust, making them ideal for a range of harsh environments such as refrigeration, HVAC, medical, and more. The IP68-rated fans feature dual ball bearing construction, square frame sizes of…
IOT Building Blocks and Architecture: IOT Part 2
In the previous tutorial, a brief introduction of Internet of things was presented. The importance, challenges, applications and trends in IOT were discussed. Now, equipped with basic understanding of IOT, it’s time to investigate the building blocks of IOT. IOT is developed as a package with integration of various technologies. Each technology has its own principle role within the IOT system. In this tutorial, the basic building blocks of IOT and their place in an IOT infrastructure will be examined.
IoT Standards and Protocols: IoT Part 3
In the previous tutorial, a basic architecture of an IOT system was discussed. From the discussions in the previous tutorial, it must be clear that communication network is the backbone of any IOT system. It is only the (internet) network that enables IOT devices (boards) and cloud based services and applications to communicate with each other. Without internet network, IOT is nothing. Data communication on an internet network is not as straight forward. There are myriad of heterogeneous devices connected over internet and these plethora of unique devices need to communicate in a secure, reliable and routed fashion.
Physical and Data Link Layer Protocols – Ethernet, BLE, Wi-Fi, Wi-Fi Direct and WPA: IoT Part 4
In the previous tutorial, reference architecture for IOT was compared with OSI and TCP-IP models and various data communication protocols for different layers of IOT architecture were mentioned. In this tutorial, the physical and data link layer protocols will be discussed in details. The physical and data link layer comprises of the IOT objects and physical networks connecting them with other objects or network.
Physical and Data Link Layer Protocols for LPWAN: IOT Part 5
In the previous tutorial, various physical and data link layer protocols specified for computers and mobile devices were discussed. Continuing the subject of physical and data link protocols, in this tutorial, network access protocols specified for LPWAN will be discussed. LPWAN stands for Low Power Wide Area Network. In general, LPWAN is a low power long range wireless network in which battery powered IOT devices surrounded by wireless sensors (Wireless Sensor Network) are interconnected.
Physical and Data Link Layer Protocols for LAN, HAN and PAN: IOT Part 6
In the previous tutorial, various physical and data link layer protocols developed for LPWAN were discussed. In this tutorial, protocol stacks developed for Personal Area Network (PAN), Home Area Network (HAN) and Local Area Network (LAN) will be discussed.
Physical and Data Link Layer Protocols – RFID and Mobile Standards: IOT Part 7
In the previous tutorial, various physical and media access control (MAC) protocol for Personal Area Network (PAN), Home Area Network (HAN) and Local Area Network (LAN) were discussed. In this tutorial, physical and MAC protocols based on RFID and mobile standard will be discussed. There are the following RFID based protocol stacks: RFID, DASH7, NFC.There are the following common mobile standards which are evolving to accommodate IOT applications
What are the programming essentials for LoRa nodes?
LoRa (long-range) technology ensures reliable long-range communication between a node and gateway, making it well-suited for a range of Internet-of-Things (IoT) applications. The purpose of building a LoRa node is to reduce costs while ensuring long-term, low-power use for devices. LoRa’s low power is affected by several features, covered below. Features Smart programming. The written…
Tagore and Inventchip unveil high-efficiency GaN power supply reference design for diverse applications.
Tagore Technology announced a partnership with Inventchip to introduce a new compact 500 W power supply reference design solution with a Totem Pole PFC front-end and an LLC back-end. Tagore Technology has been delivering disruptive GaN semiconductor solutions for more than 12 years. The reference design uses Tagore’s TP44100SG (90mOhm) and Inventchip’s CCM Totem Pole…
Innoscience introduces 700 V integrated GaN HEMT IC family for USB-PD applications
Innoscience announced a family of four new integrated devices that combine power GaN HEMT, driver, current sense, and other functions within a single, industry-standard QFN 6x8mm package. The 700V ISG610x SolidGaN devices cover the range from 140mΩ to 450mΩ and save PCB space and BOM count while increasing efficiency and simplifying design for applications including…
How to control LEDs using the MIT App Inventor and Bluetooth
In a previous tutorial, we discussed the MIT App Inventor, a popular online platform for building mobile applications using visual programming. The platform is helpful for quickly prototyping Internet-of-Things (IoT) applications and simple embedded systems that interact with mobile devices. We already reviewed the platform’s architecture and user interface. Its visual programming platform is ideal for…
How to build a facial recognition system using ESP32-CAM
Facial recognition technology identifies individuals by analyzing and comparing their facial features. It uses biometric patterns and algorithms to map and distinguish a person’s unique characteristics. The technology has become an essential component of many security applications. Facial recognition is commonly used for access control, surveillance, biometric authentication, identity verification, criminal identification, attendance, emergency response,…
How to connect Arduino to PC over Ethernet Technology and MQTT Protocol : IOT Part 24
In the previous tutorial, the basics of Ethernet technology were discussed. In this tutorial, the Ethernet technology will be used to connect an Arduino board over internet with a PC. The Arduino based IOT device and the PC will be setup to communicate using MQTT protocol via HiveMQ Broker. An IOT device based on Arduino will be designed in this project. The Arduino will be interfaced with an Arduino Ethernet Shield to connect with a router via Ethernet cable (Cat 5e).
Configuring SIM800 Modem using a PC as server over TCP-IP Protocol: IOT Part 26
SIM800 is a popular GSM GPRS modem. It supports General Packet Radio Service (GPRS) for connecting to the Internet. This module has built-in TCP/IP stack that can be accessed serially with AT commands.The modem needs to be configured by connecting it to a PC. In such setup, the SIM800 modem with SIM card acts as TCP client and the PC acts as TCP server.
GPRS Technology-General Packet Radio Service : IOT Part 25
In the previous tutorial, the Ethernet technology was used to connect an Arduino based IOT device with the internet network. The IOT devices can also be connected to internet network using mobile technologies like GSM, CDMA and GPRS. There are two major technologies for data transfers over cellular networks – GSM and GPRS. These two technologies differ from each other on the basis of data rates and the charges they take for their operation.