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Hydropower is a clean, renewable energy source, and while large hydroelectric plants require massive infrastructure, you can actually make a DIY water turbine at home with simple tools and recycled materials. This type of homemade hydropower generator is perfect for students, hobbyists, or anyone who wants to learn how renewable energy works in practice. In this guide, we’ll show you step by step how to build a small water turbine at home.

In this blog, we'll guide you step by step on how to build and configure a BLDC motor control circuit for multi-speed and direction control using RS485 communication and two self-holding buttons.

Intelligent LED dimming technology is reshaping the future of lighting control, offering unprecedented flexibility, significant energy savings, and the ability to create a more comfortable ambient lighting environment. However, it is important to recognize that not all dimming technologies are the same—they differ fundamentally in their principles and performance.

In the first part of our tutorial on PWM-based BLDC motor control series, we walked you through how to adjust BLDC motor speed using PWM frequency. Today, in the second episode, we'll take the next critical step: configuring key parameters to achieve precision speed control via PWM duty cycle.

Shopping for the right DC-DC converter can be overwhelming—especially with so many options available. Whether you're building a smart home device, powering a robotics system, or working on an experimental project, selecting the best DC-DC converter is one of the most important purchasing decisions you'll make. Your choice directly impacts device stability, energy efficiency, and overall performance. This guide will help you understand what to look for when buying a DC-DC converter, so you can shop with confidence and power your projects successfully.

In modern electronic devices, different circuit modules often require different voltages to operate properly. For example, a microprocessor may require a stable 1.2V core voltage, a touchscreen may require a 3.3V drive voltage, and a motor may require 12V or even higher. However, our power supplies—whether batteries, adapters, or solar panels—typically only provide a fixed voltage (such as a 5V USB port or a 12V battery). So, how can we obtain these diverse, stable, and precise voltages from a single power source? The answer is the DC-DC converter.

A speed sensor is an electronic instrument used to detect the speed of an object or device. It converts the rotational speed of the sensor into a corresponding analog output electrical signal, thereby helping to measure the real-time speed of the target object. It is widely used in many industries and fields. For example, the automotive industry uses speed sensors to detect tire movement, the aircraft industry uses them to detect the movement of various aviation equipment, and this technology is also widely used in civilian electronic equipment to measure the rotational speed of materials or objects. To assist you in purchasing the most suitable speed sensor, we provide detailed specifications and pricing information for various types of speed sensors to support your value-driven selection process.

A variable DC power supply is a practical device that can adjust its output voltage based on demand. It's widely used in electronics experiments, lighting control, and regulating electric heating equipment. This article describes a simple method for making a 0-220V adjustable DC power supply, suitable for applications such as adjusting the brightness of an incandescent bulb or the temperature of a soldering iron.

The monitoring relay is an advanced automation control and protection component, distinct from a regular switching relay. Its core function is to continuously monitor a specific physical parameter (such as voltage, current, frequency, phase, etc.) in the circuit and compare it with a user-defined re...

Compass sensors (also known as electronic compasses or magnetometers) play a vital role in modern electronic devices. These components, which measure magnetic field strength and determine direction, have become essential components for drones, robots, smartphones, and various navigation devices. Faced with a wide variety of products on the market, how do you choose a compass sensor that suits your needs? This article will provide a comprehensive guide.

Soil moisture sensors are primarily used to measure the relative water content in the soil. They play a significant role in agricultural and forestry soil monitoring and agricultural irrigation. Furthermore, soil moisture sensors can be widely used in grasslands, plant cultivation, flower and vegetable cultivation, greenhouses, and other scenarios. They are popular for their speed, simplicity, speed, and accuracy. Let's take a look at the principles of soil moisture sensors.

This article will delve into how soil moisture sensors work, from the science behind them to the different technology types on the market (such as resistive and FDR frequency domain reflectometry). It will also explain how they have made their way from the laboratory to vast farmlands, smart greenhouses, and home gardens, ultimately ushering in a new era of precision irrigation.

A compass sensor, commonly referred to in modern technology as an electronic compass or magnetometer, is a precision electronic component that detects the direction of the Earth's magnetic field and determines the relative orientation of a device. While it shares a common heritage with the compass, one of the Four Great Inventions of Ancient China, its technological essence has undergone revolutionary changes.

Currently, the vast majority of industrial and commercial-grade carbon dioxide sensors use NDIR technology, as it provides the most reliable and accurate measurement results. This article will introduce the various types of CO2 sensors available on the ATO online shop, along with their prices, to help you find the right solution for your needs.

A force sensor is a device that converts the magnitude of the force acting on it into a measurable electrical signal (such as voltage or current). Simply put, it acts as a translator, translating the physical quantity "force" into a signal that electronic systems can "interpret."

The oxygen sensor monitors the oxygen concentration in the exhaust pipe, indirectly determining the combustion status of the combustion chamber and transmitting this signal to the ECU, which then adjusts the fuel injection amount in real time for precise fuel control. At ATO.com, we offer not only high-quality oxygen sensors, but also affordable pricing and professional technical support. If you have any questions or need further assistance, please feel free to contact our customer service team. Visit the ATO online store now to find the oxygen sensor solution that suits your needs!

Whether monitoring weight on a production line or ensuring accurate shipments from a warehouse, load cells play a crucial role. But are you troubled by questions during installation, commissioning, or daily use? Don't worry! We've compiled these load cell FAQs to quickly answer your questions and make weighing measurements simple and reliable.

A conductivity sensor is an analytical instrument designed to precisely measure the ability of a solution to conduct an electric current. This conductivity is directly proportional to the concentration of ions present, serving as a reliable indicator of total dissolved solids (TDS), sample purity, and chemical composition.

The calibration of conductivity sensor is the key operation to ensure the measurement accuracy. Its core is to correct the measurement deviation of the sensor through the standard solution of known conductivity. The following are common calibration steps, which are suitable for laboratory and industrial online sensors.

With the advancement of sensing technology, different types of rain gauges have emerged, with tipping bucket and piezoelectric designs being particularly common. Tipping bucket rain gauges, due to their stable mechanical structure and easy maintenance, have long been widely used in traditional weather stations. Piezoelectric sensors, on the other hand, are gradually gaining prominence in intelligent monitoring systems due to their high dynamic response and anti-interference capabilities. However, the trade-offs between these two technologies in practical applications, including accuracy, environmental adaptability, and cost, require further exploration. This article will compare these technologies from multiple perspectives, including their principles, advantages and disadvantages, and applicable scenarios, to help users select the optimal solution based on their specific needs.