esp32 News - CNX Software - Embedded Systems News

January 30, 2025January 30, 2025 by Jean-Luc Aufranc (CNXSoft) - No Comments

ACMER P3 48W laser engraver review with ACMER AP220 Smoke Air Purifier, LightBurn software, MKSLaser app

Today, we’ll review the ACMER P3 48W laser engraver suitable for engraving and cutting various materials such as wood, acrylic, leather, and coated thin metals. It has a fully enclosed design protecting against laser light and reducing smoke in the room for better safety. The laser engraver also supports air filtration through the ACMER AP220 air purifier which we received for review as part of a full kit. Additionally, the P3 48W comes with a built-in camera for precise work positioning and previewing before engraving or cutting begins. Other safety features include automatic operation shutdown when the machine cover is opened. Users can import files through USB, Wi-Fi, or SD card, and the machine is compatible with popular software like LightBurn and LaserGRBL, as well as the ACMER mobile app, making it easier to use with file formats such as PNG, JPG, SVG, and DXF. ACMER P3 48W laser engraver […]

January 30, 2025 by Debashis Das - No Comments

FluidNC-compatible CNC controller supports 6 stepper drivers, web-based configuration

6x CNC A FluidNC compatible CNC controller

US-based CNC and motion control developer Bart Dring has designed the 6x CNC Controller FluidNC-compatible CNC controller board built around an ESP32 (pre-programmed with FluidNC) module and including 6 external stepper motor drivers with 5V signals. It allows configuration, upgrades, and control via a web browser. The controller also includes individual step/direction controls and LED indicators for easy setup. It offers eight input ports for limit switches, probes, and controls, along with multiple spindle control options, including RS485 VFD, 0-10V, PWM, relay-based, brushless motor (BESC), and laser PWM with enable signals. Additionally, it has two 3A MOSFETs for relays or solenoids, a MicroSD card slot for local G-code storage, and an expansion socket for GPIO extenders or pendant interfaces. 6x CNC Controller specifications Wireless module – Espressif Systems ESP32-WROOM-32E ESP32 dual-core microcontroller 4MB flash 2.4 GHz WiFi and Bluetooth LE connectivity, built-in PCB antenna Storage – MicroSD card socket for […]

January 29, 2025 by Tomisin Olujinmi - No Comments

Tobor open-source, modular robotic arm features two ESP32 modules (Crowdfunding)

Tobor robotics platform with pen plotter toolhead

Tobor (robot spelled in reverse) is a modular and open-source robotic arm platform powered by the ESP32-WROVER-I and ESP32-WROOM-32 (FluidNC CNC Controller core) modules. It is described as a “fully-featured robotic system that can fit on your desktop and is capable of helping you automate your workflow.” Tobor is billed as a customizable assistant for complex tasks such as assembly line help, CNC design, and rapid prototyping. The Tobor ecosystem includes several open-source components, including robotic arms, motion platforms, sensors, and actuators, that can be combined to create a unique system for “almost any desktop automation.” The Tobor Robot Arm supports multiple toolhead options such as the pen plotter toolhead, z-stage toolhead with 4th axis and suction cup, and the pick and place expansion pack. We have seen other open-source robotic platforms such as the SO-ARM100 AI robotic arm kit, CYOBot v2, and MIKRIK V2 Robot Car. Tobor Robot Arm […]

January 26, 2025 by Paisit Wongsongsarn - 19 Comments

Seeed Studio 2-Channel Wi-Fi AC Relay Review – An ESPHome smart switch with power meter function

Seeed Studio 2-Channel Wi-Fi AC Relay Review Home Assistant

We have received the Seeed Studio 2-Channel Wi-Fi AC Relay for review. It is an IoT/Smart Home device featuring a 2-channel relay (wet contact) that operates over a WiFi network, and provides an alternative to SONOFF Smart switches like the SONOFF R2 Dual. The Seeed Studio device is a bit larger and instead of relying on eWelink firmware, it natively supports Home Assistant since it’s pre-installed with ESPHome open-source firmware. Alternatively, if you prefer standalone deployment (without Home Assistant), you can manage it via the web browser. In addition to the basic relay function to control the AC-powered appliances, it also acts as a power meter. This is a good ready-to-use option for Home Assistant enthusiasts who prefer not to assemble their own components. Some practical applications include controlling electrical appliances such as lighting. Let’s dive into the details. Seeed Studio 2-channel AC Wi-Fi Relay unboxing The package we received […]

January 24, 2025January 24, 2025 by Tomisin Olujinmi - No Comments

ESP32 Agent Dev Kit is an LLM-powered voice assistant built on the ESP32-S3 platform (Crowdfunding)

The ESP32 Agent Dev Kit is an ESP32-S3-powered voice assistant that offers integrations with popular LLM models such as ChatGPT, Gemini, and Claude. Wireless-Tag says the Dev Kit is suitable for “95% of AIoT applications, from smart home devices to desktop toys, robotics, and instruments” In some ways, it is similar to the SenseCAP Watcher, but it has a larger, non-touch display and dual mic input. It however does not support local language models. It also features a standard MikroBUS interface for expansion. For voice capabilities, the ESP32 Dev Kit integrates two onboard, noise-reducing microphones and a high-fidelity speaker. The built-in infrared laser proximity sensor detects human proximity and movement for “smart interactive experiences”. ESP32 Agent Dev Kit specifications: MCU – ESP32-S3 dual-core Tensilica LX7 microcontroller @ 240MHz, 8MB PSRAM Storage – 16MB flash Display – 3.5-inch Touchscreen, 480×360 resolution Camera – 5MP OmniVision OV5647 camera module, 120° field of […]

January 23, 2025January 22, 2025 by Tomisin Olujinmi - 1 Comment

HackCable is a wireless-enabled, USB-C keystroke injection cable powered by ESP32 or RP2040 (Crowdfunding)

HackCable ESP32 and RP2040 Keystroke Injection

HackCable is a wireless-enabled USB-C keystroke injection cable described as the “ultimate tool for cybersecurity enthusiasts and ethical hackers.” powered by the ESP32-S3 or the Raspberry Pi RP2040. The ESP32-S3 version is described as the Wi-Fi Version and offers a built-in Wi-Fi hotspot, remote operation, and master-slave configuration for multiple cables. The Normal Version is a cheaper variant powered by the Raspberry Pi RP2040 microcontroller and built for focused, offline tasks where wireless control isn’t needed. The HackCable promises hardware keylogging, remote control, and master-slave synchronization for multiple cables. We have covered other USB penetration testing tools like the Diabolic Drive and Pendrive S3, but those were USB dongles while the HackCable looks like a standard USB Type-A to USB Type-C cable. There is very little information about the product, other than the microcontrollers that power it. It is likely running SuperWiFiDuck or some other USB rubber ducky program. It […]

January 21, 2025January 21, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

M5Stack LLM630 Compute Kit features Axera AX630C Edge AI SoC for on-device LLM and computer vision processing

M5Stack LLM630 Compute Kit is an Edge AI development platform powered by Axera Tech AX630C AI SoC with a 3.2 TOPS NPU designed to run computer vision (CV) and large language model (LLM) tasks at the edge, in other words, on the device itself without access to the cloud. The LLM630 Compute Kit is also equipped with 4GB LPDDR4 and 32GB eMMC flash and supports both wired and wireless connectivity thanks to a JL2101-N040C Gigabit Ethernet chip and an ESP32-C6 module for 2.4GHz WiFi 6 connectivity. You can also connect a display and a camera through MIPI DSI and CSI connectors. M5Stack LLM630 Compute Kit specifications: SoC – Axera Tech (Aixin in China) AX630C CPU – Dual-core Arm Cortex-A53 @ 1.2 GHz; 32KB I-Cache, 32KB D-Cache, 256KB L2 Cache NPU – 12.8 TOPS @ INT4 (max), 3.2 TOPS @ INT8 ISP – 4K @ 30fps Video – Encoding: 4K; Decoding:1080p […]

January 17, 2025January 17, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

CrowPanel Advance: ESP32-S3 displays with replaceable WiFi 6, Thread, Zigbee, LoRa, and 2.4GHz wireless modules

CrowPanel Advance: ESP32-S3 display with replaceable wireless modules

Elecrow’s CrowPanel Advance is a family of 2.8-inch to 7-inch ESP32-S3 WiFi and BLE displays that supports replaceable modules for Thread/Zigbee/Matter, WiFi 6, 2.4GHz, and LoRa (Meshtastic) connectivity. Those are updates of the CrowPanel (Basic) displays introduced last year. They feature an ESP32-S3-WROOM-1-N16R8 module soldered on the back plus headers taking ESP32-H2, ESP32-C6, SX1262 LoRa transceiver, or nRF2401 2.4GHz wireless MCU. CrowPanel Advance 7-inch specifications: Wireless Module – ESP32-S3-WROOM-1-N16R8 SoC – ESP32-S3 CPU – Dual-core LX7 processor with up to 240MHz Memory – 512KB SRAM, 8MP PSRAM Storage – 384KH ROM Wireless – WiFi 4 and Bluetooth 5.0 with BLE Storage – 16MB flash PCB antenna Storage – MicroSD card slot Display 7.0-inch IPS capacitive touchscreen display with 800×480 resolution (SC7277 driver) Viewing Angle: 178° Brightness: 400 cd/m²(Typ.) Color Depth – 16-bit Active Area – 156 x 87mm Audio Built-in microphone Speaker connector Wireless Expansion ESP32-H2 module with 802.15.4 radio […]