Elecrow Blogs

Discover how an integrated ESP32 HMI display simplifies complex projects by eliminating hardware headaches. This guide explores the architecture and software ecosystem of all-in-one platforms, then showcases three inspiring community projects you can build yourself: a Spotify remote, a retro arcade cabinet, and a custom Home Assistant controller with full tutorials.

A PCB's "assembly layer" is not a single layer, but a system of layers critical for manufacturing. This system includes the silkscreen for component labels, the solder paste layer for SMT, the solder mask to prevent shorts, and a surface finish for solderability. These layers work together to guide the PCB assembly process.

Compare Elecrow's 1.28" and 2.1" Rotary Screens, both featuring an ESP32-S3 core with touch and knob interaction. The compact 1.28-inch excels in portability and value, perfect for embedded devices. The larger 2.1-inch boasts a high-resolution display for data-rich UIs. Your choice depends on project needs for size versus visual detail.

Announcing the winners of our 2nd Electronic Design Contest! Huge congratulations to the creators of the Gold, Silver, and Bronze medal projects, including an ESP32-BlueJammer and a portable AI assistant. We also celebrate winners of our special prizes for creativity, tutorials, and social contribution. Winners, check your email to claim your rewards!

STEAM education supercharges learning by integrating the Arts with STEM, fostering essential skills like creativity, innovation, and critical thinking. This article explores the 'A's broad scope, from fine arts to history, and offers practical examples. Discover how VA-STEAM projects and tools like coding kits can transform abstract concepts into tangible, hands-on learning experiences.

Elecrow's top 5 bestsellers for H1 2025 and see the trends driving the global maker community. This year's list is dominated by decentralized communication with the ThinkNode M1, powerful IoT gateways, and accessible STEM kits. Discover what's hot and get a first look at the next-generation ThinkNode M5.

Discover the world of STEM and STEAM education through starter kits. This guide helps parents and educators choose the perfect kit by matching learner personas—the Instant Creator (Micro:bit), Little Engineer (Arduino), and Digital Artist (Pico)—with the right tools. Unlock problem-solving skills and creativity with project ideas and community resources.

Elecrow and HobbyIoT present the H2S-Dev Board Creative Idea Contest! Submit your innovative project concepts for the open-source, Arduino-compatible H2S-Dev board, a powerful LoRaWAN/Helium development platform. No purchase is required to participate. The top three best ideas will win fantastic prize packages, including free H2S-Dev boards and CrowPanel displays.

STEAM education integrates Science, Technology, Engineering, Arts, and Mathematics to foster innovation. It moves beyond traditional learning by emphasizing hands-on projects. This approach develops crucial skills like critical thinking, creativity, and collaboration. By preparing children for high-demand careers, especially in tech, STEAM provides a vital foundation for their future success.

Three core automation solutions vital for modern PCB assembly: Automated Test Equipment (ATE), Manufacturing Execution Systems (MES), and Robotics. ATE ensures quality by detecting defects early. MES acts as the factory's brain, managing real-time data and traceability. Robotics provides precision handling and assembly, creating an integrated manufacturing ecosystem.