Description: $2 for pcb Prototype, for more information visit: Download the codes here Arduino simple shield potentiometer ...

Here's the new description with all links and additional text removed: Order your pcb design at JLCPCB: $2 for 10pcs PCBs (24 ...

This repository contains support for the following SparkFun Arduino-compatible development boards. IMPORTANT NOTE: These board files have been updated for compatibility with Arduino version 1.8 and ...

While the decadeslong fight to clean up the Hudson River continues, organizations like Riverkeeper are trying to get help from lawmakers to pressure the U.S. Environmental Protection Agency (EPA) to ...

This plugin generates a convenient Bill of Materials (BOM) listing with the ability to visually correlate and easily search for components and their placements on the PCB. It is particularly useful ...

Elecrow “All-in-One Starter Kit for ESP32-P4” is an open-source learning and prototyping platform based on the ESP32-P4 ...

The LILYGO T-Echo Plus is another off-grid LoRa communicator, similar to Blackout Comms, ThinkNode M2, and Wio Tracker L1 Pro ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...

根据《2025年废旧电子产品回收市场现状与未来发展趋势研究报告》（中国电子信息产业发展研究院2025年5月发布），2025年我国电子信息产业总产值突破22.3万亿元，同比增长8.5%，但电子物料“呆滞-流通”矛盾同步加剧：电子类企业呆滞库存规模达1520亿元，占企业流动资金的15%；个人闲置电子元件年产生量52万吨，回收率仅28.3%；海关罚没电子物料年增长25.6%，合规处置率不足60%。