micropython News - Page 2 of 32 - CNX Software

September 29, 2025November 2, 2025 by Debashis Das - No Comments

Olimex RP2350-PICO2 open hardware boards expose all 48 GPIOs for breadboard prototyping

Olimex RP2350 PICO2 BB48 Open Source Development Board

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 […]

September 12, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

WiFIRCard – A credit card-sized WiFi and IR-controlled dual relay board (Crowdfunding)

WiFIRCard is a credit card-sized ESP32-S3 board designed for home automation with two relays and a few GPIOs (headers and screw terminals) that can be controlled over WiFi 4 or an IR (infrared) remote control. The board also features a microSD card slot for data logging or other storage uses, a buzzer for audio feedback, a USB-C port for power and programming, and a few buttons and LEDs. WiFiRCard specifications: Wireless module – ESP32-S3-WROOM-1 with Xtensa® LX7 dual-core 32-bit SoC – Espressif Systems ESP32-S3 CPU – Dual-core Tensilica LX7 up to 240 MHz with vector extension for AI/ML workloads RAM – 512KB SRAM, up to 8MB PSRAM Storage – Up to 16MB flash Wireless – WiFi 4 and Bluetooth LE 5 Antenna – PCB antenna Storage – MicroSD card slot for data logging/storage USB – 1x USB Type-C port for power and programming Relays 2x HLS8L-DC5V-S-C relays 10A/250V AC, 15A/120V AC, […]

August 26, 2025August 26, 2025 by Debashis Das - No Comments

Waveshare RP2350-Matrix board features 8×8 WS2812 RGB LED matrix, 6-axis IMU, Dout pin for more LEDs

Waveshare’s RP2350-Matrix is a Raspberry Pi RP2350A-powered LED matrix board featuring 64 RGB LEDs (8×8 RGB matrix), a built-in 6-axis IMU, and a Dout pin in case the user needs even more LEDs. The RP2350-Matrix also includes 25 GPIOs along with 12 PIO state machines for custom peripheral support, an on-chip temperature sensor, accurate hardware timers, and support for low-power sleep and dormant modes. It comes with a USB Type-C port for power and programming via USB 1.1 device/host, and an onboard 800mA LDO regulator for stable power delivery. These features make this board suitable for motion sensing and visual feedback. Waveshare RP2350-Matrix Specifications: SoC – Raspberry Pi RP2350A CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz Up to two cores can be used in any combination Memory – 520 KB on-chip SRAM Package – QFN-60 Storage – 16 MB […]

August 22, 2025August 22, 2025 by Debashis Das - 2 Comments

Genesis IoT Discovery Lab is a modular ESP32-S3-based wire-free prototyping platform (Crowdfunding)

Genesis IoT Discovery Lab ESP32 S3 prototyping platform

Developed by Axiometa in Lithuania, the Genesis IoT Discovery Lab is a modular Wi-Fi-enabled prototyping platform built around the ESP32-S3 and a standardized module with AX22 connectors, designed to replace messy breadboards with a structured, plug-and-play system. Designed to simplify hardware development and education, this prototyping module features eight universal AX22 ports, a USB OTG Type-C port, a battery module with charging, and support for over 50 sensors and peripherals. Modules include sensors, buttons, motors, LEDs, relays, and displays, all secured with robust connectors. With open-source hardware and various expansion add-ons, it’s suitable for education, IoT prototyping, and fast hardware iterations. Genesis IoT Discovery Lab specifications: Wireless Module – ESP32-S3-WROOM-1 SoC – Espressif Systems ESP32-S3 CPU – Dual-core Tensilica LX7 up to 240 MHz with vector extension for AI/ML workloads RAM – 512KB SRAM Storage – 8MB flash Wireless – WiFi 4 and Bluetooth LE 5 Antenna – PCB antenna USB […]

August 19, 2025August 19, 2025 by Debashis Das - No Comments

Pico2-Ice development board combines Raspberry Pi RP2350B with Lattice iCE40UP5K FPGA

pico2 ice Raspberry Pi RP2350B + iCE40UP5K FPGA development baord

tinyVision.ai has recently released the second-generation ot its open-source hardware pico-ice FPGA development board, upgrading the Raspberry Pi RP2040 to the newer RP2350B along with dedicated user LEDs and buttons for both the MCU and the FPGA. The Pico2-Ice also exposes the RP2350B’s HSTX interface through a 22-pin connector, while keeping the same Lattice iCE40UP5K FPGA. The onboard iCE40UP5K FPGA features 5.3k LUTs, 1 MB SPRAM, and 120 KB DPRAM, along with 4MB SPI flash and 8MB low-power PSRAM. The board also exposes all RP2350 pins and 32 FPGA GPIOs via 2.54mm pitch headers in Pmod format. It includes two RGB LEDs and two pushbuttons (separately mapped to the MCU and the FPGA), and integrates onboard 3.3V/1.2V regulators for power. These features make this board suitable for exploring HDLs, embedded systems, and FPGA programming with open-source tools. Pico2-Ice specifications: Microcontroller – Raspberry Pi RP2350B MCU CPU – Dual-core Arm Cortex-M33 processor @ […]

July 21, 2025July 22, 2025 by Debashis Das - 2 Comments

Unexpected Maker launches Series[D] ESP32-S3 boards with dual antenna, software RF switch

Unexpected Maker has recently released the Series[D], a lineup of four new ESP32-S3 development boards: the EdgeS3[D], TinyS3[D], FeatherS3[D], and ProS3[D]. The boards feature dual antenna support (onboard and u.FL) and are available in various form factors for different applications. Other features across the series include USB-C with native USB and USB Serial JTAG, LiPo battery charging, ultra-low deep sleep current, 8MB to 16MB of QSPI Flash, up to 8MB of PSRAM, and a new I2C battery fuel gauge chip. Additionally, ProS3[D] comes with ESD protection, castellated headers, and it’s also compatible with TinyS3 shields. The EdgeS3[D] module, on the other hand, uses an M.2 B-Key edge connector and an IO expander for some extra I/O access. EdgeS3[D], TinyS3[D], FeatherS3[D], and ProS3[D] share the following features: SoC – Espressif Systems ESP32-S3 CPU – Xtensa Dual-core 32-bit LX7 Microprocessor with up to 240MHz clock speed Memory – 512KB SRAM, 8MB PSRAM Storage […]

July 11, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Industrial 6-Channel RP2350 relay module offers RS485 interface, Raspberry Pi Pico HAT support

Waveshare RP2350-Relay-6CH is a Raspberry Pi RP2350-based industrial 6-channel relay module with an isolated RS485 interface, 7 to 36V DC input via a terminal block, and support for Raspberry Pi Pico HATs. Each relay is isolated and can handle 250VAC/30VDC up to 10A, a USB-C port is used for firmware updates, and the module also includes a buzzer, a few LEDs, as well as Reset and BOOT buttons, with everything housed in a DIN-Rail enclosure. Waveshare RP2350-Relay-6CH specifications: Microcontroller – 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 Relay – 6x relays Contact rating – ≤10A 250VAC/30VDC Contact form – 1NO 1NC via screw terminals Optocoupler isolation USB – USB Type-C port for power, data, and firmware flashing Serial Isolated RS485 […]

July 8, 2025July 10, 2025 by Jean-Luc Aufranc (CNXSoft) - 11 Comments

RP2350-PiZero – An RP2350 board with Raspberry Pi Zero form factor, mini HDMI, 16MB flash

Waveshare RP2350-PiZero is an update of the RP2040-PiZero, keeping the Raspberry Pi Zero form factor, but replacing the RP2040 MCU with the more powerful RP2350 dual-core Cortex-M33/RISC-V microcontroller. The RP2350-PiZero still comes with 16MB flash, a mini HDMI/DVI connector, two USB Type-C ports, a microSD card slot, and a 40-pin GPIO header. It supports 5V power input via USB-C, as well as LiPo batteries via a 2-pin connector and a charging circuit. RP2350-PiZero specifications: MCU – Microcontroller – 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 – PSRAM chip footprint (7) Storage 16MB SPI flash MicroSD card slot Video – Mini HDMI port that can output DVI signals USB 1x USB Type-C port (3) for data using PIO-USB host/device implementation […]