Just going wireless

Back in 2017, I invested in a series of Powerline adaptors, which allowed us to use our household wiring as an Ethernet network. At the time, we were having issues with Wi-Fi speeds and coverage, and so having a wired connection seemed like a good idea. Because wired connections are usually more reliable - right?...

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Erqos EQSP32CE – An industrial IoT ESP32-S3 PLC with Ethernet, RS232, RS485, CAN Bus, DIN Rail support

Erqos EQSP32CE is a DIN rail-mountable industrial IoT PLC based on an ESP32-S3 WiFi and Bluetooth SoC and offering Ethernet, RS-485, RS-232, and CAN bus industrial communication interfaces. The IIoT logic controller also features several protected digital (16x) and analog (8x) inputs, eight current inputs, eight “special mode” analog inputs, and sixteen digital outputs with PWM support. A USB-C…

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ESPHome 2026.5.0 released with new ESPHome Device Builder (beta), performance/memory optimizations

ESPHome 2026.5.0 has just been released with the beta version of the new ESPHome Device Builder web app that replaces the legacy in-tree dashboard with a real configuration editor, a firmware job queue, multi-select bulk actions, labels and areas, out-of-sync detection, cross-config search, distributed builds, and a proper settings UI. The firmware itself gains optimizations of the main loop,…

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M5Stack StopWatch ESP32-S3 devkit offers 1.75-inch touch AMOLED, microphone, speaker, and GPIO expansion

M5Stack Core StopWatch is an ESP32-S3-powered WiFi and Bluetooth development board with a 1.75-inch round AMOLED touch display, 16MB flash, and 8MB PSRAM designed for portable IoT devices, electronic badges, and wearables. The device also features a 1W speaker and a MEMS microphone for voice interaction, two programmable buttons, a vibration motor, a 6-axis IMU sensor, an RTC, and expansion…

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Hacknect – A wireless hacking USB cable with a built-in microSD card slot (Crowdfunding)

Little Gadgets’ Hacknect is an ESP32-S3-powered wireless USB Type-A hacking cable with Wi-Fi control, HID automation for keyboard/mouse events, payload deployment, and a microSD card slot hidden in one of the Type-A connectors. The USB cable is designed for makers, developers, automation enthusiasts, and cybersecurity researchers and can be wirelessly controlled from your smartphone or computer.…

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ESP32-S3 PowerFeather V2 board gains support for LiFePO4/LFP batteries

The ESP32-S3 PowerFeather V2 board is an ESP32-S3 WiFi and BLE IoT board with an Adafruit Feather form factor that supports LiFePO4/LFP batteries, as well as Li-Ion or LiPo batteries, and up to 18V DC input for solar panel connection. As one could have guessed, it’s an update to the ESP32-S3 PowerFeather board introduced in 2024 with support for solar panel input, Li-Ion, and LiPo batteries. The…

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M5Stack PaperColor ESP32-S3 devkit features 4-inch E Ink Spectra 6 color display

M5Stack PaperColor, or M5Paper Color, is an ESP32-S3 development kit with a 4-inch E Ink Spectra 6 full-color display with a resolution of 600×400, designed to offer both low power consumption and high visibility under strong lights. While the color ePaper display is the start of the show, the devkit also features a microSD card slot for storage, a microphone with echo cancellation, a 1W speaker,…

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M5Stack Cardputer goes off-grid with new Mesh Kit featuring LoRa, GNSS, and Meshtastic support

M5Stack has just launched the Cardputer Mesh Kit, a portable, card-sized Meshtastic communication terminal built around the ESP32-S3-powered Cardputer-Adv controller and a new LoRa expansion module (CapLoRa-1262). The kit is essentially a modular upgrade to the original Cardputer, where the base unit handles the UI via a 56-key keyboard and a 1.14-inch LCD. The added “Cap” module adds a Semtech…

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SONOFF NSPanel Pro Gen2 – A 86-Type Smart Home control panel with two relays, dual-band WiFi, Zigbee 3.0, Matter support

SONOFF NSPanel Pro Gen2 is an 86-type Smart Home control panel featuring a 3.95-inch touch display, two relays supporting up to 10A, and dual-band WiFi 4, Bluetooth LE, and Zigbee 3.0 connectivity. The device also integrates a 1.5W speaker and a microphone for voice interaction, light and proximity sensors, and runs Android on a Rockchip RK3326-S SoC paired with 2GB RAM and 32GB eMMC flash.…

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LILYGO T-Watch Ultra – An IP65-rated ESP32-S3 smartwatch with 2.01-inch AMOLED, LoRa, and GNSS

LILYGO’s T-Watch Ultra is an ESP32-S3-based smartwatch development platform that appears to be an upgrade over the previous T-Watch-S3 Plus (1.3-inch display and a 940mAh battery), with a larger 2.01-inch AMOLED touch display, a higher-capacity 1,100mAh battery, and an IP65 waterproof and dustproof rating. The device integrates a u-blox MIA-M10Q GNSS module for positioning, a SX1262 LoRa…

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WiQwiic-32 – A compact USB-C IoT board with eight Qwiic connectors (Crowdfunding)

Hack The Board’s WiQwiic-32 is a small USB-C IoT development board based on an ESP32-S3-WROOM-1 Wi-Fi and Bluetooth module, and equipped with a 1.14-inch LCD and eight Qwiic ports for easy prototyping with compatible modules. It also features a microphone and a buzzer for audio interaction, four buttons, two RGB LEDs, and a power LED. There aren’t any through-holes for GPIO pins, so expansion is…

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SN1 Solar Node – An ESP32-C3-based board with IP67 enclosure, solar charging, ESPHome firmware

Designed by Granz Scientific LLC, the SN1 Solar Node is an ESP32-C3-based IoT node/development board designed specifically for off-grid IoT projects. Development boards like Seeed Studio Wio Tracker, or industrial controllers like DFRobot LoRaWAN Control Terminal, allow you to handle your own battery management and weatherproofing, or on the other end, you have products like SenseCAP Solar Node…

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picoZ80 – A Z80 microprocessor drop-in replacement based on Raspberry Pi RP2350B and ESP32

The picoZ80 board is a drop-in replacement for the Z80 microprocessor based on the Raspberry Pi RP2350B dual-core Cortex-M33 microcontroller and an ESP32 wireless SoC for WiFi and Bluetooth connectivity. My first computer was a ZX81 powered by a Zilog Z80 microprocessor, which was eventually phased out in 2024 after almost 50 years of production. But retro computing enthusiasts keep the platform…

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Upcoming ESP32-S31 dual-core RISC-V MCU offers Gigabit Ethernet, WiFi, Bluetooth, and 802.15.4 connectivity

It looks like Espressif Systems has a new powerful wireless microcontroller in the works, with the ESP32-S31 sharing some features of the ESP32-P4 and ESP32-S3 microcontrollers. The ESP32-S31 is a dual-core RISC-V MCU with one high-performance core with FPU and SIMD instructions, and one low-power RISC-V core, featuring 62 GPIOs, a Gigabit Ethernet MAC, WiFi, Bluetooth, and 802.15.4…

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Enabling MediaTek M7902 WiFi and Bluetooth drivers on Ubuntu 24.04 the easy way

Last month, we noted that Mediatek MT7902 WiFi 6E and Bluetooth 5.x chipset finally got drivers in mainline Linux, and should be part of the Linux 7.0 release. MT7902 wireless modules are used in many Windows laptops, but users have been asking for the Linux drivers for almost two years now. One method is to wait for the drivers to find their way into your distribution, but “hmtheyboy154” didn’t…

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Vueling ofrece gratis wifi y entretenimiento a bordo

Vueling ha puesto en marcha un portal digital accesible desde el propio dispositivo de los clientes que ofrece películas, series y diversas funcionalidades durante todo el vuelo, de forma completamente gratuita (Iberia y Vueling incorporarán conexión wifi de alta velocidad a bordo). La plataforma, ya disponible en más de la mitad de la flota, funciona […]

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SparkFun OpenScale IoT – An ESP32 board with HX711 ADC for smart scales with WiFi and Bluetooth connectivity

The SparkFun OpenScale – IoT project is a ready-to-use ESP32-based IoT smart scale with open-source hardware and firmware support that makes it easy to read precise weight data from load cells without writing custom code from scratch for basic operation. It handles amplification via the HX711 24-bit ADC, calibration, temperature compensation (using the onboard TMP102 and an optional external…

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Esparagus Audio Brick ESP32-based DIN-rail 65W Hi-Fi amplifier supports Home Assistant and Squeezelite (Crowdfunding)

Sonocotta (Andriy Malyshenko), the developer of Esparagus “Media Center”, HiFi-Amped, Louder Raspberry Pi, and Louder Raspberry Hat Plus, has returned to Crowd Supply with the Esparagus Audio Brick, a compact ESP32 or ESP32-S3-powered Hi-Fi Class-D amplifier with Home Assistant support. With support for Music Assistant, Snapcast, and Logitech Media Server (LMS), the module can be used to build…

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ESP32 Bus Pirate: Update Brings Waterfall Displays, Cellular Modem Support and External Radio Expander

Back in September 2025, we posted about the "ESP32 Bus Pirate" firmware, which transforms an ESP32-S3 into a multi-protocol debugging and hacking tool. Although the ESP32 does not have true SDR capabilities, it can leverage its numerous built-in radio hardware components to achieve a range of interesting feats. Recently, "Geo," the creator of the ESP32 […]

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Blues Notecard for Skylo IoT module offers 5G NTN satellite, NB-IoT/LTE-M cellular, WiFi, and GNSS connectivity

Blues Notecard for Skylo is an IoT module combining subscription-free 5G NTN satellite, NB-IoT or LTE-M cellular, WiFi, and GNSS connectivity for asset tracking applications in transportation and logistics, energy, and commercial equipment. provides an all-in-one satellite IoT solution that doesn’t require additional hardware or a satellite subscription contract. By default, the module connects…

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Makerfabs CM0IQ – An ultra-compact (42x36mm) Raspberry Pi CM0 Lite board

The CM0IQ is an ultra-compact board based on the Raspberry Pi CM0 Lite Compute Module. It measures just 42 × 36 mm and squeezes multiple interfaces into a 15.1 cm² footprint, making it suitable for space-constrained applications such as robotics, IoT devices, and custom hardware integrations. Despite being smaller than a Raspberry Pi Zero 2 W (19.5 cm²), the CM0IQ manages to include a full-sized…

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SayoDevice O3C 3-Key Hall-effect keypad boasts 8,000Hz polling rate for playing rhythm games

While searching for new products on AliExpress, I came across the SayoDevice OSU O3C, which looks very similar to other macro keyboards such as the 4xMacropad, the LILYGO TTGO T-Encoder, or the T-Keyboard-S3. However, like the TENSTAR T-Display, it sold over 10,000 pieces on Aliexpress. This warranted an investigation, and I found that it is actually a Hall-effect keypad mainly designed for…

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WiFi and Bluetooth LE can now be used simultaneously on Arduino boards with NINA-W102 (ESP32) module

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, impacting the Arduino Nano RP2040 Connect, Arduino MKR WiFi 1010, and Arduino Nano 33 IoT boards. It’s a long-running problem since the first Arduino board with NINA-W10 was introduced in 2018, and meant you could use WiFi or Bluetooth LE, but…

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Upgraded FGH200M Wi-Fi HaLow module features Morse Micro MM8108 SoC, handles up to 8,191 IoT devices

Introduced at MWC 2026, Quectel FGH200M Wi-Fi HaLow module, based on Morse Micro MM8108 SoC, is an upgraded version of the previous MM6108-based FGH100M module designed for long-range, low-power IoT connectivity. It operates in the sub-1-GHz band (850–950 MHz), with a range of up to 1 km, and is designed for applications such as smart homes, industrial automation, smart agriculture, smart cities,…

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