The Puya PY32F030 core board is a low-cost industrial development board based on the 48 MHz PY32F030K28T6 Arm Cortex-M0+ MCU, featuring 64KB flash and 8KB RAM, and capable of operating in a wide temperature range of -40°C to 105°C. It supports USB, SPI, I2C, UART, and I2S interfaces, and is designed for applications such as IoT, robotics, and automation in harsh environments. We have written about various low-cost MCUs over the past. Back in 2019, we wrote about the Padauk PMS150C, a 3-cent 8-bit MCU with 64 bytes of RAM, up to 6 I/Os, PWM, and basic peripherals. Then in 2022, the WCH CH32V003 made headlines with a 32-bit RISC-V core, 2KB SRAM, 16KB flash, and a 10-cent price tag. After that, in 2023, we discovered the Puya PY32 series of MCUs. It was an 8-cent MCU with an Arm Cortex-M0+ core, 32KB flash, and 4KB RAM, and was found […]
HackLED Pro LED controller – An Adafruit Sparkle Motion alternative with WS2812 and RGBCW LED support
HACK Lab HackLED Pro is an Adafruit Sparkle Motion-like LED controller that runs a custom version of WLED and supports both WS2812 and RGBCW LEDs, making it ideal for DIY lighting projects, smart home setups, and audio-reactive light displays. Built around an ESP32 MCU, this board includes 2-way WS2812 LED outputs, 5 PWM channels (RGBCW), and an onboard silicon microphone for music reactive LED setup. Like the Sparkle Motion, the outputs of this board are level-shifted, and there’s also a power switch that toggles the output power between 5V and 12V. The board features a USB-C port with a PD controller, with which you can power and program the board. The controller is housed in a thermally protected 3D printed case and is also compatible with the generic version of the WLED firmware. HackLED Pro specifications: Wireless module – ESP32-WROOM-32E-N4 WiFi and Bluetooth module with 4MB Flash LED Control 2x […]
Renesas RA2L2 – The first low-power MCU with USB-C Revision 2.4 support
Renesas RA2L2 is the world’s first low-power MCU to support the USB-C Revision 2.4 standard with 15W CC detection, USB FS support. It also offers support for CAN Bus, I3C, and low-power UART. The announcement follows other devices from the Renesas RA series, such as the RA2A2 Arm Cortex-M23 MCU introduced in 2024, and the RA4L1 ultra-low-power MCU unveiled earlier this year with just 168 µA/MHz operation, dual-bank flash, and capacitive touch. The RA2L2 Cortex-M23 microcontroller also embeds up to 128KB of code flash, 16KB SRAM, and 4KB data flash for EEPROM-like storage. It supports a wide 1.6V to 5.5V supply voltage and an industrial-grade -40°C to +125°C temperature range. The MCU also integrates a ±1% high-accuracy on-chip oscillator, multiple timers including 16-bit and 32-bit PWM and low-power asynchronous timers, a 12-bit ADC, a real-time clock, and an internal temperature sensor. It’s available in 32- to 64-pin packages and offers […]
Avalue ACP-PI – A Raspberry Pi-like industrial SBC family with long-term supply, Rockchip or NXP SoC
Avalue Technology’s ACPI-PI is a Raspberry Pi-compatible, industrial SBC family, starting with the ACP-3566-PI and ACP-IMX8-PI, designed for edge computing and industrial IoT applications with long-term supply. The ACP-3566-PI is built around a Rockchip RK3566 quad-core Cortex-A55 processor with 4GB RAM and 32GB eMMC. Other features include 4K HDMI output, MIPI DSI/CSI, GbE LAN, Wi-Fi, Bluetooth, and a 40-pin GPIO header for UART, SPI, I2C, and RS-232/RS-485 expansion. The ACP-IMX8-PI, on the other hand, is built around an NXP i.MX8M Mini processor (quad Cortex-A53 + Cortex-M4), 4GB LPDDR4, 32GB eMMC, HDMI, MIPI display, and camera support. Additionally, it has four USB 2.0 ports, an SD slot, an audio jack, and GPIO/UART expansion. Measuring 85×55 mm, both boards can be used for smart retail, healthcare, factory automation, and AI edge deployments. ACP-3566-PI specifications: SoC – Rockchip RK3566 CPU – Quad-core Cortex-A55 processor @ up to 1.8/2.0 GHz GPU – with Arm […]
Calixto Systems introduces i.MX93 VERSA SO-DIMM SoM and EVK with NXP i.MX 93 Edge AI SoC
India-based Calixto Systems has unveiled the i.MX93 VERSA SO-DIMM system-on-module (SoM) powered by an NXP i.MX 93 Arm Cortex-A55/M33 SoC with Ethos-U65 micro NPU for Edge AI applications, as well as an evaluation kit (EVK). The system-on-module features up to 2GB LPDDR4x RAM, 16GB eMMC flash, a gigabit Ethernet PHY, and exposes various I/Os through a 200-pin SO-DIMM edge connector, such as MIPI DSI, LVDS, and parallel RGB display interfaces, MIPI CSI and Parallel camera interfaces, dual GbE (on PHY on-module, one on carrier), and more. The i.MX93 VERSA module targets smart industrial automation, healthcare, retail, and connected edge systems with specific size, performance, and power efficiency requirements. i.MX93 VERSA specifications: SoC – NXP i.MX 93 CPU Up to 2x Arm Cortex-A55 up to 1.7 GHz 2x Arm Cortex-M33 up to 250 MHz GPU – PXP 2D GPU with blending/composition, resize, color space conversion NPU – Arm Ethos-U65 NPU @ […]
Jetway PIC-ASL1 – A low-power Intel Atom x7213RE/x7433RE fanless industrial Pico-ITX SBC
Jetway PIC-ASL1 is a low-power, fanless Pico-ITX SBC built around the Intel Atom x7213RE or x7433RE Amston Lake SoC for industrial use. This SBC is very similar to the Alder Lake-N-based JPIC-ADN1, which Jetway released just last year. While both boards support up to 32GB DDR5 memory and dual displays via HDMI 2.0b and LVDS/eDP, the PIC-ASL1 adds industrial-grade resilience with shock/vibration resistance, a Nano SIM slot for cellular connectivity, and an Intel PTT for security. It also features a similar I/O layout, including dual USB 3.2 Gen 2, four USB 2.0, serial headers, two M.2 expansion slots, and a SATA III port for storage. Additionally, the PIC-ASL1 complies with various industrial standards, making it more suitable for use in harsh industrial environments compared to the ADN1. Jetway PIC-ASL1 specifications: Amston Lake SoC (one or the other) Intel Atom x7213RE dual-core processor @ 2.0 to 3.4 GHz with 6MB cache, […]
Atum A3 Nano development board combines Agilex 3 FPGA and USB-Blaster III programmer (Crowdfunding)
Terasic’s Atum A3 Nano is a compact FPGA development board built around Altera’s largest Agilex 3 FPGA (A3CZ135BB18AE7S). The FPGA features 135K logic elements, embedded memory blocks (6.89 Mbit M20K, 1.4 Mbit MLAB), and 368 multipliers, making it suitable for demanding applications such as robotics, automotive systems, smart city infrastructure, consumer electronics, and advanced image processing. Measuring just 85 x 70 mm, the Atum A3 Nano board includes 64 MB SDRAM, Gigabit Ethernet, HDMI output, a microSD card slot, and an onboard USB-Blaster III programmer accessible via a USB Type-C port. Expansion options include a 40-pin GPIO header and two PMOD headers, and the board also features user I/Os like LEDs, buttons, and switches. Additionally, it supports add-ons such as displays, cameras, wireless modules, and motor control kits. Atum A3 Nano specifications: FPGA – Altera Agilex 3 A3CZ135BB18AE7S 135,110 logic elements 6.89 Mbit M20K, 1.4 Mbit MLAB 368 18×19 multipliers 4 I/O […]
OBJEX Link S3LW ultra-low-power ESP32-S3 LoRaWAN board takes up to 100W power input
OBJEX Link S3LW is a small development board based on the ultra-low-power ELPM-S3LW module with ESP32-S3 MCU and LoRaWAN connectivity and the ability to take 100W input via USB-C or a 2-pin terminal block for driving motors, controlling RGB LED strips, and other high-power projects. It’s compliant with the USB PD standard, features two 28-pin headers and a STEMMA I2C connector for expansion, as well as a built-in CP2102/CP2104 USB to serial bridge for debugging, and a few buttons. The company also offers an OBJEX ELPM-S3 module and OBJEX Link S3 board with the same features, minus LoRa/LoRaWAN support. OBJEX Link S3LW specifications: Wireless module ELPM-S3LW v1.2 Wireless SoC – ESP32-S3FN8 CPU – Dual-core 32-bit Xtensa LX7 microcontroller with AI vector instructions up to 240MHz, RISC-V ULP co-processor Memory – 512KB SRAM Storage – 8MB flash Wireless – 2.4GHz WiFi 4 (802.11b/g/n), Bluetooth 5.0 BLE + Mesh LoRa support LoRa […]

