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November 20, 2025 by Debashis Das - No Comments

Arduino-programmable environmental and air quality sensor kit features ENS160 and BME280 sensors

Designed by Nova Radio Labs in the US, the Novaduino Environmental Sensor Kit is an Arduino-programmable air quality and weather monitoring solution built around the company’s own Novaduino Display Module. It provides VOCs, eCO₂, temperature, humidity, and barometric pressure data in real time, making it ideal for Smart Home experiments, classroom projects, or hobby weather-station builds. The kit integrates a Sciosense ENS160 air-quality sensor and Bosch BME280 environmental sensor connected via Qwiic, which measures TVOCs, eCO₂, temperature, humidity, and pressure with an on-device AQI indicator. It includes the Novaduino display PCBA, 2.4-inch IPS touchscreen, buttons, rotary encoder, Feather M0 Express or RP2040 module support, headers, mechanical hardware, and optional 3D-printable enclosures (STL/F3D/STP). Designed for learning soldering, assembly, and Arduino programming, the kit is uncalibrated and intended for educational and experimental use only. Novaduino Environmental Sensor Kit specifications: Core Platform – Novaduino 2.4-Inch Display Module Supported development boards – Adafruit Feather and […]

November 20, 2025November 26, 2025 by Jean-Luc Aufranc (CNXSoft) - 11 Comments

Black Friday and Cyber Monday 2025 – International deals, coupons, and events

Like every year since 2014, I’ll list a few international deals for Black Friday and Cyber Monday 2025, as many CNX Software readers cannot benefit from promotions on Amazon’s Black Friday and Cyber Monday events, which will take place from November 20 to December 1. I’ve gathered various deals, discount coupon codes, and events from relevant manufacturers of single board computers, MCU development boards, mini PCs, Smart Home devices, and DIY products, as well as popular online stores, including AliExpress, Banggood, and others. AliExpress Black Friday and Cyber Monday 2025 event AliExpress sales event for Black Friday and Cyber Monday 2025 has just started and will last until December 3, 2025 (although I can see until November 29 and December 4 in some places). You can use some of the coupons on the screenshot above, or some alternative coupon codes for the US and some other countries (excluding DE, RU, […]

November 11, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Kode Dot – An easy-to-use, pocket-sized, battery-powered ESP32-S3 devkit (Crowdfunding)

Kode Dot is a pocket-sized ESP32-S3 maker device for prototyping with a built-in 2.13-inch AMOLED, a 500mAh battery, a 9-axis IMU, a microphone and a speaker, an RTC, a few buttons, a GPIO header, and a magnetic connector for expansion. Kode Dot is designed to simplify the prototyping process. Users can still write code using the Arduino IDE, PlatformIO, or ESP-IDF framework and upload it via the kit’s USB-C port, but thanks to kodeOS firmware, each program becomes a standalone app with its own name, icon, and interface, accessible from the graphical user interface. Kode Dot specifications: SoC – Espressif Systems ESP32-S3 dual-core microcontroller with 2.4 GHz Wi-Fi, Bluetooth 5 LE, ESP-NOW peer-to-peer protocol System Memory – 8 MB octal PSRAM Storage 32 MB octal SPI flash microSD card slot Display – 2.13-inch Color AMOLED with 502 x 410 resolution Audio ICS-43434 MEMS microphone 1W MAX98357A speaker amp USB – […]

November 2, 2025November 25, 2025 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

Creality Sermoon S1 high-end 3D scanner review – Part 1: specifications and unboxing

Creality has sent me the Sermoon S1 high-end 3D scanner for review. It supports blue laser line and infrared structured light scanning, offers high accuracy up to 0.02mm, scans objects from 5 x 5 x 5 m3 to 4000 x 4000 x 4000 mm3, and looks like a pretty cool device overall. I’ll start the review by diving into the specifications, before going through an unboxing to check out the 3D scanner and its accessories. I’ll then need to study a bit more before testing out with different objects in the second part of the review. Sermoon S1 3D scanner specifications Scanning Modes Blue laser lines Single Blue Laser Line Scanning rate: 108,000 measurements/s Working distance – 200 to 600mm Outdoor Scanning – Below 100,000 lux Laser Safety – Class II (eye safe) 7 Parallel Blue Laser Lines Scanning rate: 756,000 measurements/s Working distance – 150 to 400mm Outdoor Scanning […]

October 4, 2025October 5, 2025 by Jean-Luc Aufranc (CNXSoft) - 10 Comments

kv4p HT – Turn an Android smartphone into a ham radio transceiver

kv4p HT is an open-source hardware VHF or UHF radio designed to plug into the USB-C port of an Android smartphone and turn it into a handheld ham radio transceiver. It’s based on an ESP32 wireless module and an SA818 radio module. This accessory makes your phone capable of off-grid voice and text communication with a Technician-class amateur radio license. It’s small enough to fit into a pocket, partially because it does not need a battery, relying on the built-in battery of your phone. kv4p HT V2.0 specifications: Wireless module – ESP32-WROOM-32E-N4 SoC – ESP32 dual-core Tensilica LX6 microcontroller @ up to 240 MHz with 520KB SRAM Storage – 4MB flash Wireless – 2.4 GHz WiFi 4 and Bluetooth 4.2 BR/LE connectivity, built-in PCB antenna VHF Radio SA818-V radio module or DRA818V (134 – 174MHz) VHF low-pass filter SMA antenna connector Tx Power – Up to 1 Watt for several […]

September 3, 2025September 6, 2025 by Sponsored Post - No Comments

September Exclusives at PCBWay: Big Savings on PCBs and 3D Printing (Sponsored)

PCBWAY Limited Time Discount for PCB manufacturing and 3D printing in September 2025

This September, PCBWay is bringing you two exciting limited-time offers that showcase both style and versatility. Whether you’re designing with PCBs or prototyping with 3D printing, these will help you create more while spending less. Offer One: Free Purple Solder Mask in PCBs Tired of generic green solder mask? In September, switch things up—get purple PCBs, without any additional charge for color. Originally starting at $38.43, now you can get 10 purple PCBs for just $5. Purple PCBs not only add aesthetic value but also reflect creativity in your projects. Whether you’re showcasing your work at exhibitions, impressing clients with prototypes, or simply making your personal projects stand out, let’s seize this chance to create eye-catching boards now. Offer Two: TPU in 3D Printing – From $7.96 In addition to PCB manufacturing, PCBWay also offers high-quality 3D printing services. This month, TPU (thermoplastic polyurethane) is their highlight material. Normally starting […]

August 14, 2025November 19, 2025 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

Home Assistant Connect ZWA-2 Z-Wave USB adapter launched for $69

Home Assistant Connect ZWA-2 is a new Z-Wave USB adapter with Long Range support, which follows the launch of the Home Assistant Connect ZBT-1 (SkyConnect) Zigbee 3.0, Thread, and Matter USB dongle in 2022. Home Assistant explains that Z-Wave operates in the sub-GHz (865-926 MHz) frequency band, where waves can more easily go through thick walls and reach across large households, and do not need to compete in the crowded 2.4 GHz airspace used by wireless protocols such as Wi-Fi, Bluetooth, Zigbee, and Thread. Home Assistant Connect ZWA-2 specifications: SoCs Silicon Labs ZG23 Cortex-M33 Z-Wave microcontroller @ 78 MHz ESP32-S3 wireless MCU used as USB-to-serial bridge (WiFi and Bluetooth present, but not used by the firmware) Wireless Z-Wave, Z-Wave Long Range Z-Wave series 800 Range – Tested up to 1.5km (line of sight) by Nabu Casa Antenna Frequency range: 860-930 MHz The frequency used by end devices depends on the […]

July 9, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

PANZER-LITE93 Ubuntu 24.04 Box PC puts FRDM-IMX93 development board into a 3D printed case

MayQueen Technologies PANZER-LITE93 is an NXP i.MX 93-powered box PC running a customized Ubuntu 24.04 LTS distribution with LXQt desktop environment and NPU libraries to leverage the built-in Arm Ethos-U65 micro NPU. The board itself is not actually anything new, and the company has been quite transparent about it, telling us by email that we’d “immediately recognize that it’s based on the FRDM-IMX93” development board. What they bring here is a 3D printed case, software support which we’ve been told is different than official NXP support, and we’ve been told the main goal was to create a lightweight box PC. PANZER-LITE93 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 @ 1 GHz up to 0.5 TOPS Memory – 640 […]