Engineers Garage

What is AWS IoT Core and when should you use it?

Nikhil Agnihotri — Mon, 16 Jun 2025 03:50:16 +0000

In the previous tutorial, we discussed Internet of Things (IoT) platforms. As IoT solutions scale in size and complexity, these tools become essential for managing devices, data, and overall system performance. However, not all platforms serve the same function. Generally speaking, they fall into categories such as device management, connectivity management, application enablement, cloud integration,…

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AC-DC power supply extends voltage range to 800 V DC

Redding Traiger — Thu, 12 Jun 2025 18:25:15 +0000

XP Power continues to make high power flexible for ease of integration across multiple platforms by extending the reach of its HPT5K0 series with the addition of 400VDC and 800VDC models. These new additions cater to engineers designing at higher voltages, including battery charging, renewable energy, and semiconductor manufacturing equipment. All the models in the…

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Infineon’s inductive sensor integrates coil system driver, signal conditioning circuits and DSP

Redding Traiger — Wed, 11 Jun 2025 18:35:38 +0000

Infineon Technologies AG is launching the XENSIV TLE4802SC16-S0000, an inductive sensor designed to enhance performance in automotive chassis applications. The sensor enables high-precision torque and angle measurements with robust stray field robustness, supporting digital output via SENT or SPC protocols. It achieves highly accurate sensing without needing additional shielding. Tailored for use in electric power…

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Arm Cortex-M23 MCU delivers 87.5 µA/MHz active mode

Redding Traiger — Wed, 11 Jun 2025 18:16:18 +0000

Renesas Electronics Corporation introduced the RA2L2 microcontroller (MCU) group with ultra-low power consumption and the industry’s first support for the new UCB-C Revision 2.4 standard. Based on a 48-MHz Arm Cortex M23 processor, the new MCUs offer a rich feature set that makes them ideal for portable devices and PC peripherals such as gaming mice and…

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STMicroelectronics releases automotive amplifiers with in-play open-load detection

Redding Traiger — Wed, 11 Jun 2025 17:36:11 +0000

STMicroelectronics has revealed new class-D automotive audio amplifiers for smart-cockpit applications, engineered for tiny overall dimensions and with a digital input that simplifies circuit design. The new HFDA80D and HFDA90D extend ST’s family of high-frequency automotive amplifiers, complementing the HFA80A analog-input IC. All the devices operate at a switching frequency of 2MHz to save PCB…

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Convection-cooled power controller integrates EtherCat connectivity

Redding Traiger — Wed, 11 Jun 2025 16:59:33 +0000

Advanced Energy Industries, Inc. announced a new silicon-controlled rectifier (SCR) power controller for precision control of lamp-based heating applications. Delivering unprecedented speed and accuracy, the new Thyro-XD supports next-generation semiconductor manufacturing and industrial processes that demand precision temperature control, especially during extreme and dynamic ramps. The Thyro-XD provides highly accurate, rapid load resistance measurement, enabling…

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Verilog Tutorial 15: How to design a clocked SR latch in Verilog

Ashutosh Bhatt — Wed, 11 Jun 2025 03:50:15 +0000

Note: it’s recommended to follow this VHDL tutorial series in order, starting with the first tutorial. Follow the full series here. In the previous Verilog Tutorial – 14, we learned how to design circuits for a 1×8 demultiplexer and an 8×1 multiplexer in Verilog. In this tutorial, we’ll: Write a Verilog program to build a clocked SR latch…

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RPi Python Programming 21: The SIM900A AT commands

Nikhil Agnihotri — Tue, 10 Jun 2025 19:29:55 +0000

In the previous tutorial, we covered how to interface a SIM900A GSM-GPRS modem with Raspberry Pi, Arduino, and desktop computers. SIM900A can communicate data with the controlling device over the universal asynchronous receiver/transmitter (UART), I2C, or SPI protocol. The modem is a piece of mobile equipment with an IMEI number that’s capable of all cellular…

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RPi Python Programming 22: Calls & SMS using a SIM900A GSM-GPRS modem

Nikhil Agnihotri — Tue, 10 Jun 2025 19:28:00 +0000

In the previous tutorial, we covered the AT commands that are supported by a SIM900 GSM-GPRS modem. We’ve already discussed how to interface a SIM900A GSM-GPRS modem with Raspberry Pi, Arduino, as well as other microcontrollers and desktop computers. Now, it’s time to use this modem to make and receive calls, and send and receive…

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RPi Python Programming 23: Interfacing a NEO-6MV2 GPS module with Raspberry Pi

Nikhil Agnihotri — Tue, 10 Jun 2025 19:27:38 +0000

In the previous tutorial, we learned how to interface a SIM900 GSM-GPRS modem with Raspberry Pi (RPi) and a desktop computer. We employed serial UART communication to “talk” with the SIM900 modem. By using bidirectional data communication with the modem via a standard UART interface, we were able to make/receive calls and send/receive SMS messages on RPi and…

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RPi Python Programming 24: I2C explained

Nikhil Agnihotri — Tue, 10 Jun 2025 19:26:01 +0000

In the previous tutorial, we covered how to interface a NEO-6M GPS module with Raspberry Pi (RPi). The module communicates with RPi over the universal asynchronous receiver/transmitter or UART protocol. The UART is the most common point-to-point data communication protocol. But, it’s not the only serial communication protocol. In embedded electronics, I2C and SPI protocols are…

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RPi Python Programming 25 – Synchronous serial communication in Raspberry Pi using I2C protocol

Nikhil Agnihotri — Tue, 10 Jun 2025 19:25:33 +0000

In the previous tutorial, we discussed the basics of the I2C protocol. In most of the embedded devices, either UART otherwise I2C is used for console messages. In this tutorial, we will discuss serial communication in Raspberry Pi using the I2C protocol. I2C in Raspberry Pi For serial communication over the I2C protocol, the Broadcom…

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RPi Python Programming 26 – Interfacing ADXL345 accelerometer sensor with Raspberry Pi

Nikhil Agnihotri — Tue, 10 Jun 2025 19:24:10 +0000

In the previous tutorial, we discussed synchronous serial communication in Raspberry Pi using I2C protocol. In this tutorial, we will use the I2C interface of Raspberry Pi to communicate with a digital sensor. The digital sensor that we will talk with is the ADXL345 accelerometer. ADXL345 is a small, ultra-low power, 3-axis accelerometer sensor that…

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Same Sky releases encoders for 9 mm to 15.875 mm motor shafts

Redding Traiger — Tue, 10 Jun 2025 18:44:09 +0000

Same Sky’s Motion & Control Group announced the addition of the AMT25 series to its AMT absolute encoder family. The series supports motor shaft sizes from 9 mm to 15.875 mm (5/8 inch). The AMT25 series utilizes Same Sky’s capacitive ASIC technology and delivers the durability, accuracy, and environmental immunity characteristics of current AMT encoder…

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FCL Components releases 20 A relay with 800 VDC switching capacity

Redding Traiger — Tue, 10 Jun 2025 18:18:26 +0000

FCL Components America, Inc., has released the FTR-E1J 20A, a tab terminal-type high voltage DC switching relay, based on its FTR-E1 series. It is screw mounted and does not use printed circuit boards. This new relay delivers 20A 800 VDC, 10A 1,000VDC higher voltage switching with no specific polarity requirements for the connection of load…

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Verilog Tutorial 14: How to design a 1×8 demultiplexer and an 8×1 multiplexer in Verilog

Ashutosh Bhatt — Mon, 09 Jun 2025 03:50:16 +0000

Note: it’s recommended to follow this VHDL tutorial series in order, starting with the first tutorial. Follow the full series here. In the previous Verilog Tutorial – 13, we learned how to design a 3×8 decoder and an 8×3 encoder in VHDL. In this tutorial, we’ll: Write a Verilog program to build circuits for a 1×8 demultiplexer and an…

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Verilog Tutorial 13: How to design a 3×8 decoder and an 8×3 encoder in VHDL

Ashutosh Bhatt — Fri, 06 Jun 2025 03:50:04 +0000

Note: it’s recommended to follow this VHDL tutorial series in order, starting with the first tutorial. Follow the full series here. In the previous Verilog Tutorial – 12, we learned how to design half and full-subtractor circuits in Verilog. In this tutorial, we’ll: Write a Verilog program for building circuits for a 3×8 decoder and an 8×3 encoder…

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Stackpole’s current sense resistors feature long-sided terminations and 0.05 W to 3 W power range

Redding Traiger — Wed, 04 Jun 2025 18:58:58 +0000

Sense resistors are commonly used in applications such as low-power electronics, consumer devices, lighting systems, and security or detection equipment for power monitoring and control. These applications often do not require ultra-low resistance values, tight precision tolerances, or low temperature coefficient of resistance (TCR). Instead, they prioritize flexibility in form factor and affordability. Stackpole’s CSR…

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Percepio releases View for Zephyr trace visualization tool with RTOS-aware timeline views

Redding Traiger — Wed, 04 Jun 2025 18:37:10 +0000

Percepio has released Percepio View for Zephyr, a trace visualization tool for embedded systems running the Zephyr RTOS. The software provides diagnostic capabilities for analyzing system behavior and is available for download. Percepio View delivers RTOS-aware timeline views that display system activity across multiple threads and tasks. The tool captures and presents system and user…

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Microwave cable assemblies provide phase matching options of 1, 2 or 5 pico-seconds

Redding Traiger — Wed, 04 Jun 2025 18:04:06 +0000

Samtec, Inc. announces the availability of production quantities for its highly stable, low-loss flexible microwave cable assemblies using Nitrowave cable technology. Nitrowave cable – recognizable by the distinctive Samtec orange FEP jacket – is available in target frequencies of 32 GHz, 43.5 GHz, 71 GHz, 95 GHz, and 110 GHz with the following product series:…

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