#world cup#world cup 2026#fifa world cup#england nt#bukayo saka
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A4988 breakout prototype testing ⚙️🔧
We got our Allegro A4988 stepper driver breakout PCBs back and are ready to test them. First, we verified that STEP and DIR worked (yes!) and that the LEDs lit (yes, but we need to tweak the resistors to make the brightness even). Then we tried all of the stepper-settings, you can select 1, 4, 8, or 16-microsteps. All the sleep/reset/enable pins work. Finally, we checked the current limiting functionality with a potentiometer that can be twisted to select up to 2A current per coil. This directly affects the torque, so it's easy to test by verifying that we can stall the motor with hands or vise-grips. We'll order these with 2oz copper and get them into production next!
The Raspberry Pi 500 Desktop and Monitor debut, alongside a 512GB Raspberry Pi NVMe SSD for ample storage. A snap-on enclosure for the USB/DC/Solar Lithium Charger, LED filaments in fun shapes, and the A4988 Stepper Motor Driver for motor control https://adafruit.com/new
TMC2209 stepper motor driver board testing 🤖⚙️🔋
We've been testing the Trinamic/Maxim/Analog/WeylandYutani TMC2209 (https://www.digikey.com/short/8r5m38h8) breakout we designed, and it's working great - the step/dir interface plus the micro-step select allows a microcontroller to control a stepper with just GPIO and true-to-its-name it is a very silent stepper driver, much quieter than the A4988 (https://www.digikey.com/short/tfjt88dd)! There are a few different I/O pins on the TMC: Index tells you when a full step is completed, which is handy to know when you want to change stepper modes on the fly. Diag lets you know when a power or motor failure has occurred. It can also tell when the motor has stalled if it's configured to. Finally, and most interestingly, is the UART interface: this unidirectional pin lets you read and write configuration registers, set 1-128 microsteps, change current limiting, and detect stalls for 'auto homing'. So far, everything works; we're just going to swap the direction of the potentiometer so it twists clockwise to increase the current limit and book PCBs!
A Practical Guide to VFD Selection for Industrial Motors
Selecting the right Variable Frequency Drive (VFD) is more than matching power ratings. The right choice depends on your motor specifications, application requirements, load characteristics, operating environment, and long-term performance goals.
Understanding the fundamentals of drive selection can help improve energy efficiency, enhance motor performance, reduce maintenance costs, and extend equipment life in industrial applications.
Whether you're designing a new system or upgrading an existing one, choosing the appropriate VFD can make a significant difference in reliability and operational efficiency.
Read the complete guide to learn how to select the right VFD for your motor and make informed engineering decisions.
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Vishay Intertechnology, introduced four new 40 V TrenchFET Gen IV standard-level n-channel power MOSFETs PowerPAK SO-8 single.
Vishay Intertechnology, Inc. has introduced new 40 V standard-level MOSFETs engineered to minimize false triggering and reduce noise in motor control circuits. Designed for improved efficiency, reliability, and switching performance, these devices are ideal for automotive, industrial, and consumer applications where precision and robust operation are critical.
Variable Frequency Drives Optimize Irrigation Pumping Systems for Maximum Efficiency and Reliability
As irrigation demand increases across the United States, now is the ideal time for engineering and maintenance teams to begin designing efficient water management systems. Variable Frequency Drives (VFDs) provide precise motor speed and variable torque control, allowing electric motors to continuously match pump output with real-time system demand, reducing energy consumption, minimizing hydraulic shock, and extending pump, motor, and piping life. Advanced multi-pump booster control automatically stages pumps based on demand, rotates duty pumps to evenly distribute operating hours, and balances wear across the entire pumping system instead of overusing a single motor. Built-in PID process control, automatic pump alternation, runtime balancing, and multi-pump cascade functionality help maintain stable pressure while maximizing system reliability and reducing maintenance requirements for irrigation networks, municipal water systems, industrial process water, and wastewater treatment facilities.
Modern VFD technology also provides intelligent equipment protection through continuous motor current monitoring, enabling features such as dry-run protection, pump blockage detection, load monitoring, burst pipe detection, and automatic fault response before equipment damage occurs. These capabilities help keep critical irrigation systems, farming operations, water supply systems, wastewater treatment plants, booster stations, and other industrial pumping applications operating efficiently while reducing downtime, maintenance costs, and energy usage.
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⚡ Variable Frequency Drives Built for Harsh Environments and Reliable Motor Control 💧⚙️
When specifying variable frequency drives (VFDs) for motor control applications, environmental rating is a critical factor in long-term system reliability. A significant percentage of VFD failures are not due to internal component issues, but rather improper enclosure selection for the installed environment. With their outdoor rated enclosure design, Invertek VFDs are engineered to be dust-tight and high-pressure washdown capable. They are fully sealed against dust and moisture ingress, making them ideal for harsh outdoor applications such as agricultural irrigation systems, rooftop HVAC equipment, coastal cooling towers, and industrial exhaust systems across demanding environments. Designed to withstand extreme temperatures, humidity, and airborne contaminants, these drives deliver consistent, reliable performance where conventional panel mounted solutions are prone to failure.
We provide rugged, field-proven VFD solutions engineered for operation in dirty, dusty, and wet environments, ensuring reliable performance year-round. Our team provides application support, proper drive selection, and rapid availability to keep your systems operating at peak efficiency. Contact us today to optimize your motor control system with a solution built for your environment.
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