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ASAvaq Semiconductorseminews.hashnode.dev2d ago · 13 min read

How to Choose a Microcontroller: A Practical Guide for Embedded System Design

Choosing a microcontroller is one of the first important decisions in an embedded system. The MCU affects the circuit design, firmware architecture, power consumption, PCB size, BOM cost, and even how

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Ccircuitrockscircuitrocks.hashnode.devAug 11 · 2 min read

Challenger+ RP2350 NB-IoT: Cellular IoT on a Breadboard

What if one breadboard-friendly stick could reach a cellular tower, fix its own GPS position, and still run CircuitPython? That is the pitch behind iLabs' new Challenger+ RP2350 NB-IoT. The board drop

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Ccircuitrockscircuitrocks.hashnode.devAug 3 · 2 min read

Build a Touchless ESP32 Theremin With Capacitive Touch Sensing

Few 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 i

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Ccircuitrockscircuitrocks.hashnode.devJul 18 · 2 min read

Meet Pinch: A 32-Bit Arduino Board Smaller Than a Fingernail

Set 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 mak

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Ccircuitrockscircuitrocks.hashnode.devJul 16 · 2 min read

Moonshine Micro Puts Voice AI on a Sub-$1 RP2350 Chip

You 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 phon

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Ccircuitrockscircuitrocks.hashnode.devJul 13 · 3 min read

Build a Rotating UV Flame Scanner With the UVTRON R2868

Want 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 (a

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KPKomal Pawarkomalpawar.hashnode.devJul 12 · 2 min read

Day 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

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Ccircuitrockscircuitrocks.hashnode.devJul 8 · 2 min read

This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control

What 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-W

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Ccircuitrockscircuitrocks.hashnode.devJun 2 · 2 min read

RTShield HAT Brings Real-Time RP2350 Control to Raspberry Pi

Picking 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 operati

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SSUBRATAsxvyte.hashnode.devApr 25 · 6 min read

Programming AVR Microcontrollers Without an IDE

The 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 pr

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#microcontroller

Explore Hashnode

Trending tags this week

How to Choose a Microcontroller: A Practical Guide for Embedded System Design

Challenger+ RP2350 NB-IoT: Cellular IoT on a Breadboard

Build a Touchless ESP32 Theremin With Capacitive Touch Sensing

Meet Pinch: A 32-Bit Arduino Board Smaller Than a Fingernail

Moonshine Micro Puts Voice AI on a Sub-$1 RP2350 Chip

Build a Rotating UV Flame Scanner With the UVTRON R2868

Day 1: Starting My Embedded Journey (2026 Roadmap)

This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control

RTShield HAT Brings Real-Time RP2350 Control to Raspberry Pi

Programming AVR Microcontrollers Without an IDE