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Articles Tagged “Microcontroller

15 articles found

Mini Computers

Silicon Labs BG2B Sleeps at 1.1uA on Bluetooth 6

Silicon Labs' BG2B is its lowest-power Bluetooth LE part yet, holding 1.1uA deep sleep with RAM retention and cutting active MCU current by around 15%.

Alex Circuit
Alex CircuitAug 4, 20265 min read
Mini Computers

ESP32-S3 Runs a 28.9M-Parameter LLM at 9 Tokens/s

A developer got a 28.9M-parameter language model generating 9 tokens per second on an $8 ESP32-S3, using 4-bit weights and per-layer embeddings in flash.

Alex Circuit
Alex CircuitAug 4, 20266 min read
Mini Computers

NXP RW610FML Module Packs Wi-Fi 6 and BLE 5.4 in 25mm

NXP's RW610FML packs Wi-Fi 6, Bluetooth LE 5.4 and a 260 MHz Cortex-M33 into a 25.5 x 18 mm module rated for -40C to 85C industrial operation.

Alex Circuit
Alex CircuitJul 29, 20265 min read
Mini Computers

SensWear Open-Source Wearable Kit Ships With 4 Sensors

SensWear is an open-source nRF54L15 wearable platform with four swappable sensor boards, MIT-licensed firmware, and a EUR 849.99 full bundle.

Alex Circuit
Alex CircuitJul 29, 20265 min read
Mini Computers

Waveshare RP2350 Board Adds Ethernet and PoE for $14

Waveshare's RP2350-POE-ETH puts hardwired Ethernet and optional 802.3af PoE on a 63mm Raspberry Pi RP2350 board with 20 GPIO, starting at $13.99.

Alex Circuit
Alex CircuitJul 28, 20264 min read
Mini Computers

Low-Power Wireless MCU Guide: nRF54L, ESP32, RP2350

Compare nRF54L15, ESP32-C6, and RP2350 for battery-powered projects: radios, sleep current, memory, price, and which to pick for each build.

Alex Circuit
Alex CircuitJul 27, 20269 min read
Mini Computers

nRF54L15 Discovery Board Snaps Into Two Usable Boards

Icy Electronics' $27.19 nRF54L15 Discovery packs a Cortex-M33, a RISC-V coprocessor, and a snap-off CMSIS-DAP debugger you can reuse separately.

Alex Circuit
Alex CircuitJul 27, 20265 min read
Mini Computers

Moonshine Puts Offline Voice AI on a Pico 2 Chip

Moonshine AI fit a full offline voice pipeline — detection, speech-to-text, and neural TTS — onto a Raspberry Pi Pico 2, using just 3.6 MiB of flash.

Alex Circuit
Alex CircuitJul 26, 20265 min read
Mini Computers

ART-Pi II Pairs a 600 MHz Cortex-M7 With a 2.5D GPU

The $45 ART-Pi II runs a 600 MHz STM32H7R7 with a NeoChrom 2.5D GPU, 32MB HyperRAM, Wi-Fi 4 and a Raspberry Pi-compatible 40-pin header.

Alex Circuit
Alex CircuitJul 21, 20264 min read
Mini Computers

moddo Pinch Is the Smallest Arduino Board Yet at 11mm

The moddo Pinch is a 10.9 x 10.5 mm Arduino-compatible board that fits inside a USB-C shell, with 12 GPIO, 11 PWM channels, and pre-orders open at $15.90.

Alex Circuit
Alex CircuitJul 20, 20264 min read
Mini Computers

Moddo Pinch Is the Smallest 32-Bit Arduino Board Yet

The Moddo Pinch fits a 32-bit SAMD11 Arm chip into a 10.9x10.5mm body — the smallest Arduino-compatible board, with pre-orders open at $15.90.

Alex Circuit
Alex CircuitJul 15, 20264 min read
Mini Computers

ELM11-Feather Makes FPGAs Lua-Simple for $39

The $39 ELM11-Feather puts a Gowin FPGA and a 75 MHz soft-core into a Feather board you program in Lua, with MIT-licensed firmware coming.

Alex Circuit
Alex CircuitJul 11, 20265 min read
Mini Computers

RP2350B 'Bells & Whistles' Board Packs a Debugger and HDMI for $30

The $30 RP2350B 'Bells & Whistles' dev board bundles an onboard debugger, HDMI video out, and microSD into one open-source maker board — removing friction for RP2350 projects.

Alex Circuit
Alex CircuitJun 25, 20264 min read
Mini Computers

Waveshare's $11 RP2350B-Plus-W Packs Wi-Fi and 41 GPIOs Into a Pico-Sized Board

Waveshare's RP2350B-Plus-W puts 41 GPIOs, 16MB flash, USB-C, and official Raspberry Pi Wi-Fi into a Pico 2 W form factor for under $12 — a maker's dream.

Alex Circuit
Alex CircuitJun 8, 20264 min read
Mini Computers

Waveshare RP2350B-Plus-W: A Pico 2 W-Sized Board With WiFi and 41 GPIOs

The Waveshare RP2350B-Plus-W packs WiFi, dual ARM/RISC-V cores, and 41 GPIOs into a Raspberry Pi Pico 2 W-sized maker board for around $10.99.

Alex Circuit
Alex CircuitJun 3, 20264 min read