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Tutorials, news, and one component explained simply — every day.
🔧 Featured Project
A maker has built a hand gesture control robot using OpenCV and MediaPipe for real-time hand tracking, allowing users to control a rover’s movement wirelessly with just their hand movements captured by a laptop webcam.
The system uses an nRF24L01 radio module to transmit commands from a transmitter Arduino Nano to a receiver mounted on the robot.
Perfect for anyone tired of fumbling with joysticks. Check out the full build
📰 Electronics News
Intel CPU shortage hits Chromebook production
Intel CPU supply tightness is impacting the broader market, with entry-level devices such as Chromebooks being particularly affected.
Supply constraints driven by AI demand are reshaping CPU allocation, increasing costs and limiting availability for low-end and mainstream computing devices.
Read more
DRAM pricing freeze causes spot market pause
Samsung’s March DDR4 price freeze suppresses trading momentum, causing DRAM spot prices to stabilize temporarily and enter a cautious adjustment phase.
Memory prices remain volatile heading into spring. Learn more
Denso makes $8.2 billion offer for semiconductor maker Rohm
The Japanese auto parts supplier Denso has made an offer to buy Rohm for around $8.2bn, reported the Nikkei.
A major consolidation move in the automotive chip space. Full story
💡 Tutorial Spotlight
Want to turn a discarded ATX computer power supply into a reliable bench supply? Our latest tutorial walks you through the entire conversion process, from disabling the safety features to wiring up banana jacks for clean, regulated 12V, 5V, and 3.3V outputs. You’ll never pay $150 for a commercial unit again. Read the full guide
🔌 Component of the Week: MOSFET
The MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is the workhorse of modern electronics, controlling everything from your phone’s processor to motor drivers in robotics. Unlike bipolar transistors, MOSFETs are voltage-controlled devices with extremely high input impedance, meaning they draw virtually no current from control circuits. This makes them ideal for switching large loads with microcontroller GPIO pins. Available in N-channel and P-channel variants, MOSFETs excel at high-speed switching with minimal heat dissipation. Common hobbyist parts like the IRF540N can handle 30+ amps at logic-level gate voltages. Whether you’re dimming LEDs with PWM or building an H-bridge motor controller, understanding MOSFETs opens the door to high-power projects.
👥 From the Community
A DIY enthusiast has shared a hydropower generation circuit that generates power from a water pipe in a building using a microturbine.
The project uses an LM2596 buck regulator to deliver steady 5V output from flowing water—perfect for off-grid or sustainable power experiments. See the project
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Free Daily Electronics Newsletter
Tutorials, news, and one component explained simply — every day.