Firebeetle 2 ESP32-C5 IoT development board
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FireBeetle 2 ESP32-C5 IoT development board offers GDI display interface, LiPo battery support

Just the other day, I lamented the lack of options when it came to ESP32-C5 boards featuring dual-band WiFi 6 support. The FireBeetle 2 ESP32-C5 IoT development board made by DFRobot shows that I needed to be more patient… The ESP32-C5 board features 4MB flash, a USB-C port, a LiPo battery connector, and two GPIO headers for expansion, as well as a GDI display connector designed to add an SPI/I2C touchscreen display. The new RISC-V board has about the same features and form factor as the FireBeetle 2 ESP32-S3. It adds 5 GHz WiFi and an 802.15.4 radio for Zigbee, Thread, and Matter, but loses a camera connector, and comes with less memory and storage. FireBeetle 2 ESP32-C5 specifications: Wireless module –  ESP32-C5-WROOM-1-N4 SoC – Espressif Systems ESP32-C5 CPU Single-core 32-bit RISC-V processor @ up to 240 MHz Low-power RISC-V core @ 40 MHz acting as the main processor for […]

Arduino Nesso N1
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Arduino Nesso N1 – An ESP32-C6 IoT wireless development kit with WiFi 6, BLE, 802.15.4, LoRa, and IR transmitter

Arduino Nesso N1 is a new ESP32-C6 IoT development kit with not only 2.4 GHz WiFi 6, Bluetooth LE, and an 802.15.4 radio for Zigbee/Thread/Matter, but also a LoRa radio and an IR transmitter for smart home, industrial, and educational applications. Developed in collaboration with M5Stack, the Nesson N1 also features a 1.14-inch touchscreen display, a 6-axis motion sensor, a few LEDs and buttons, as well as Grove and Qwiic expansion connectors, and an 8-pin GPIO header. Nesso N1 specifications: SoC – Espressif Systems ESP32-C6 CPU Single-core 32-bit RISC-V clocked up to 160 MHz Low-power RISC-V core @ up to 20 MHz Memory/Storage – 320KB ROM, 512KB SRAM Wireless – 2.4 GHz WiFi 6, Bluetooth 5.3, and 802.15.4 radio for Thread/Zigbee Storage – 16MB NOR Flash Display – 1.14-inch touchscreen display with 240 x 135 resolution, 262K colors; ST7789P3 driver, FT6336U capacitive touch Wireless 2.4 GHz WiFi 6, BLE 5.3, Zigbee […]

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CamThink NeoEyes 301
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CamThink NeoEyes NE301 – An ultra-low-power, STM32N6-based Edge AI camera

CamThink NeoEyes NE301 is an ultra-low-power Edge AI camera built around the STM32N6 Arm Cortex-M55 MCU with Neural-ART NPU that “offers significantly enhanced features and performance” compared to the company’s earlier ESP32-S3-based NeoEyes NE101. The camera ships with a 4MP MIPI CSI camera sensor by default, but USB camera sensors are also supported. It also features 64MB PSRAM, 128MB hyperflash, WiFi 6 and Bluetooth 5.4 wireless connectivity, optional support for a 4G LTE module (global or US), audio wafers, USB-C and UART debug, a 16-pin GPIO header, and support for either USB, battery, or PoE power. CamThink NeoEyes 301 specifications: MCU – STMicro STM32N6 MCU Core – Arm 32-bit Cortex-M55 CPU @ up to 800MHz with Arm Helium and Arm MVE GPU – Neo-Chrom 2.5D GPU, Chrom-ART Accelerator (DMA2D) NPU – ST Neural-ART accelerator @ 1 GHz, up to 600 GOPS; 3 TOPS/W enabling fanless operation BPU – Hardware-accelerated H.264 […]

ESP32JTAG Deveice
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ESP32JTAG – An open-source wireless JTAG and logic analyzer (Crowdfunding)

EZ32 ESP32JTAG is an open-source, wireless JTAG and logic analyzer tool that can debug both MCUs and FPGAs. It features a 16-channel 250 MHz logic analyzer and integrated UART interface, designed to replace tools such as ST-Link or Saleae analyzers in a single compact, wireless solution. The device is built around an ESP32-S3 dual-core SoC and a small FPGA with 5k logic gates and 1 Mbit of internal RAM to handle high-speed signal processing.  Connectivity options include Wi-Fi 4, Bluetooth 5.0, and USB Type-C, and a small 1.83-inch LCD displays system information such as IP address and status. The ESP32JTAG is also equipped with four configurable 4-wire ports for JTAG, SWD, UART, and logic analyzer mode, and supports target voltage monitoring. EZ32 ESP32JTAG specifications: Wireless MCU – Espressif Systems ESP32-S3 CPU – dual-core Tensilica LX7 @ up to 240 MHz with vector instructions for AI acceleration Memory – 512KB RAM, 8MB […]

2 Port ESP32 ETH0 WLED Controller
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ESP32-based dual-port WLED controller features Ethernet port, 24V DC input

When it comes to ESP32-based WLED controllers, some of the best options are boards like the Adafruit Sparkle Motion, Mini Sparkle Motion, and Sparkle Motion Stick, but most of the time, they are out of stock. Thankfully, there are similar alternatives like the xChroma WLED Type-C and HACK Lab HackLED Pro, with similar features and wider availability. Now adding to that list is the 2-Port ESP32 ETH0 WLED Controller, which not only adds Ethernet connectivity but also supports dual outputs and 5V–24V LEDs, making it an excellent alternative to the Adafruit ones. The board supports both Ethernet and Wi-Fi connectivity and includes an onboard DC-DC converter that delivers a stable 5V supply to the ESP32 and logic circuits. Each output channel is fused with a 6A resettable polyfuse and a status LED that lights up during fault conditions. For added safety, the main power input is protected against reverse polarity, […]

FoBE IDEA Mesh Tracker C1
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FoBE IDEA Mesh Tracker C1 – An nRF52840-based LoRa GPS tracker with sensors, OLED, knob, and more

Designed by FoBE Studio in China, the FoBE IDEA Mesh Tracker C1 is a LoRa-powered off-grid communication device designed for outdoor GPS tracking, sensor data exchange, and mesh networking in remote environments.  Built around the Nordic nRF52840 MCU, it integrates LoRa, GPS, BLE, and motion sensors, making it suitable for location tracking, environmental monitoring, and off-grid communication projects. The device integrates a GPS module, LoRa transceiver, 0.96-inch OLED display, buzzer, a 3-axis accelerometer, and a 3-axis gyroscope. Other ports include a USB-C port, reserved SWDIO/SWCLK headers, an 8-pin GPIO expansion header, and dual IPEX connectors for LoRa and GPS antennas. There is also a rotary encoder and two user buttons, and two indicator LEDs for controls and status feedback. Power input is provided via a 2-pin MX1.25 battery interface for portable, battery-powered outdoor IoT applications. FoBE IDEA Mesh Tracker C1 specifications: SoC – Nordic Semiconductor nRF52840 CPU – 32-bit Arm Cortex-M4F […]

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upyOS Arduino Nano RP2040 Connect
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upyOS modular MicroPython-based OS for microcontrollers works with ESP32, RP2040, etc…

upyOS is a modular, lightweight MicroPython-based operating system (OS) that provides a Unix-like experience on low-resource microcontrollers such as Espressif Systems ESP32/ESP32-C3/ESP32-S3, Raspberry Pi RP2040, and others. Inspired by smolOS, upyOS offers remote development tools, OTA updates, and a built-in web server. Its modular architecture separates system functions into reusable components, instead of large, monolithic programs. Key Features: Modular architecture: Commands and system functionality are broken down into small, independent modules to reduce memory usage. Built-in shell environment: Execute commands and scripts directly, providing a Unix-like CLI experience. Startup and shutdown scripting: Configure boot and shutdown behaviors using /etc/init.sh and /etc/end.sh. Recovery mode: A built-in failsafe mechanism lets users recover the system when booting fails. Background execution: Supports threads and asyncio for background tasks, along with & sufix, hold, resume, kill and killall commands for process control. Remote development support: Telnet and FTP servers allow file transfer and terminal access over […]

Olimex RP2350 PICO2 BB48 Open Source Development Board
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Olimex RP2350-PICO2 open hardware boards expose all 48 GPIOs for breadboard prototyping

Olimex RP2350-PICO2-BB48 and RP2350-PICO2-BB48R open hardware development boards are built around the Raspberry Pi RP2350B MCU, and expose all 48 GPIOs in a 0.6-inch dual-inline PCB layout. Compared to the earlier PICO2-XL and PICO2-XXL boards, this new board features a breadboard-friendly design with options for PSRAM and microSD on the BB48R version. Other features include USB-C power/data, BOOT and RESET buttons, a 2A 3.3V regulator, UEXT and Qwiic/Stemma connectors, status LED, and debug pads. With pre-soldered headers, it can be plugged directly into a breadboard, making it ideal for DIY projects, IoT, retro computing, and hardware prototyping. Olimex RP2350-PICO2-BB48 and RP2350-PICO2-BB48R specifications: MCU – Raspberry Pi RP2350B CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz Either two cores can be used. Memory – 520 KB on-chip SRAM Package – QFN-80 Memory – 8 MB external QSPI PSRAM (only on […]

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