Ccircuitrocksincircuitrocks.hashnode.dev·11h ago · 2 min readBuild a Touchless ESP32 Theremin With Capacitive Touch SensingFew instruments let you make music without laying a finger on them. The theremin, invented by Léon Theremin around 1920, does exactly that, and that quirk makes it a sharp teaching tool: it turns an i00
Ccircuitrocksincircuitrocks.hashnode.dev·Jul 18 · 2 min readMeet Pinch: A 32-Bit Arduino Board Smaller Than a FingernailSet a grain of rice next to the Moddo Pinch and the two are practically neighbors in size. This 32-bit, Arduino-compatible dev board measures just 10.5 x 10.9 mm and tips the scale at 1.1 g, which mak00
Ccircuitrocksincircuitrocks.hashnode.dev·Jul 16 · 2 min readMoonshine Micro Puts Voice AI on a Sub-$1 RP2350 ChipYou are holding a gadget with no screen and no buttons, and you want it on your Wi-Fi. So you just say the network name out loud, and the chip hears you, understands the command, and connects. No phon00
Ccircuitrocksincircuitrocks.hashnode.dev·Jul 13 · 3 min readBuild a Rotating UV Flame Scanner With the UVTRON R2868Want a flame detector that ignores sunlight and still catches a fire hiding behind brush? Here's your shopping list: a Hamamatsu UVTRON R2868 phototube, its matching driver board, a microcontroller (a00
KPKomal Pawarinkomalpawar.hashnode.dev·Jul 12 · 2 min readDay 1: Starting My Embedded Journey (2026 Roadmap)"I'm not writing because I'm an expert. I'm writing because documenting what I learn helps me learn better—and maybe it helps someone else too." Why I'm Starting This Series Instead of keeping notes 10
Ccircuitrocksincircuitrocks.hashnode.dev·Jul 8 · 2 min readThis DIY STM32L4 Smartwatch Puts Every Sensor in Your ControlWhat would your ideal smartwatch look like if you owned every sensor reading and every line of firmware inside it? That is the question GitHub maker Spectrewolf777 set out to answer with the Stm32l4-W00
Ccircuitrocksincircuitrocks.hashnode.dev·Jun 2 · 2 min readRTShield HAT Brings Real-Time RP2350 Control to Raspberry PiPicking between a microcontroller and a single-board computer is one of the first forks in any embedded project, and it matters more than it looks. A Raspberry Pi gives you a full multitasking operati00
SSUBRATAinsxvyte.hashnode.dev·Apr 25 · 6 min readProgramming AVR Microcontrollers Without an IDEThe Arduino IDE, MPLAB X, and Microchip Studio are solid tools, but they are not the only way to program an AVR. Whether you are automating a CI/CD pipeline, working on a headless server, or simply pr00
ASAlden Swanepoelinmylearningblog.hashnode.dev·Apr 9 · 5 min readI See The LightFor the first project in the SparkFun Inventors Kit, we have to create a blinking LED. To some of you this might seem easy and quite boring. After all, what is so interesting about making an LED turn 00
AAuckaminauckamzone.hashnode.dev·Mar 11 · 7 min readTinyML vs Traditional Embedded Design: Key Differences Engineers Should KnowWhy Engineers Are Re-Thinking Embedded Design Today Can microcontrollers run machine learning reliably without cloud dependency or high power consumption? That question is now shaping modern embedded 00
