XIAO 2-channel Wi-Fi AC Energy Meter runs ESPHome on ESP32-C6 module, comes with two 100A CT clamps

XIAO 2-channel Wi-Fi AC Energy Meter

Seeed Studio’s XIAO 2-channel Wi-Fi AC Energy Meter is an ESP32-C6 (XIAO ESP32-C6) powered power meter with two independent CT clamp (Current Transformer clamp) connectors to safely measure power consumption when placed around one of the wires from an AC cable. We reviewed the SONOFF POW Ring single-channel WiFi CT clamp power meter with eWelink and Home Assistant last year, and before that, we also covered models supporting multiple CT clamps, up to 16 clamps with the Emporia Vue Gen 2 energy monitor. The XIAO 2-channel Wi-Fi AC Energy Meter offers a middle ground with support for two CT clamps measuring up to 35A each. XIAO 2-channel Wi-Fi AC Energy Meter specifications: Wireless module – XIAO ESP32C6 board Wireless MCU –  Espressif Systems ESP32-C6 CPU Single-core 32-bit RISC-V clocked up to 160 MHz Low-power RISC-V core @ up to 20 MHz Memory – 512KB SRAM, 16KB low-power SRAM Storage – […]

Adafruit Sparkle Motion – An ESP32-based addressable LED controller with four outputs, 100W USB-C power, and WLED/xLights support

Adafruit Sparkle Motion

The Adafruit Sparkle Motion is an ESP32-based LED controller board designed to drive addressable LEDs, including WS2812B, APA102, SK6812, LPD8806, UCS2904, and SM16704. It supports both WLED and xLights projects and features an onboard 100W USB-C PD port to drive even high-voltage LED setups. The board includes dual power input options (USB-C PD with 5/12/20V selection and 2.1mm DC jack), a 5A fuse, and level-shifted output terminals for controlling addressable LEDs. The board also features a built-in I2S digital microphone, IR receiver, Stemma QT I2C port, USB-serial with auto-reset, GPIO breakout pads, onboard NeoPixel and status LED, and multiple JST and terminal connectors for sensor and control integration. It comes pre-assembled with terminal blocks for easy wiring, making it suitable for applications such as wearable electronics, home decor lighting, audio-reactive displays, and remote-controlled installations. Adafruit Sparkle Motion Specifications: SoC – ESP32-S3 dual-core Xtensa LX7 MCU @ 240MHz with 2.4GHz Wi-Fi and […]

Air Lab is a portable Wi-Fi & Bluetooth LE air quality monitor with an e-paper touchscreen display (Crowdfunding)

Air Lab ESP32-S3 air quality monitor

Networked Artifacts’ Air Lab is a portable air quality monitor based on ESP32-S3 Wi-Fi & Bluetooth LE wireless SoC, equipped with an e-paper touchscreen display, and plenty of sensors to measure CO2, temperature, relative humidity, air pollutants (VOC, NOx), and atmospheric pressure. The Air Lab ships with a rechargeable 1,500 mAh battery that will be good for about 21 days on a charge in passive mode (taking measurements every minute), and you can also power it over its USB-C ports. It includes a debug port for people wanting to change the firmware, and a GPIO header to connect additional sensors if required. Data can be visualized on the e-paper display or transmitted over BLE or MQTT for integration with Home Assistant. The company also provides a CSV export function and a web-based dashboard for data visualization. Air Lab specifications: Main module – ESP32-S3 module with PCB antenna for 2.4GHz WiFi […]

ESPuno Pi Zero ESP32-C6 board takes up to 60V DC input, offers RS-485 interface (Crowdfunding)

ESPuno Pi Zero

ESPuno Pi Zero is a Raspberry Pi Zero-sized board based on an ESP32-C6-MINI-1 WiFI 6, BLE, and 802.15.4 wireless module and an SMPS that allows up to 60V DC input via a 2-pin terminal block. The board also features two USB-C ports, one connected to the ESP32-C6 and the other to a CH343P USB-to-serial chip, a 40-pin GPIO header, a Grove connector, a 3-pin terminal block for RS-485, DMX, Profibus, and a few buttons and LEDs. ESPuno Pi Zero specifications: ESP32-C6-MINI-1-N4 or ESP32-C6-MINI-1U-N4 SoC – Espressif Systems ESP32-C6 single-core 32-bit RISC-V clocked up to 160 MHz 320KB ROM, 512KB SRAM, low-power RISC-V core @ up to 20 MHz CPU Single-core 32-bit RISC-V clocked up to 160 MHz Low-power RISC-V core @ up to 20 MHz Memory/Storage – 320KB ROM, 512KB SRAM Wireless – 2.4 GHz WiFi 6, Bluetooth 5.0, and 802.15.4 radio (for Thread/Zigbee) Storage – 4MB flash Antenna ESP32-C6-MINI-1-N4 […]

ANAVI Miracle Emitter – A WiFi and BLE RGB LED controller compatible with Home Assistant, WLED firmware (Crowdfunding)

ESP32-C3 RGB LED Strip Controller

ANAVI Miracle Emitter is an open-source hardware ESP32-C3 WiFi and BLE controller designed to control 5V addressable RGB LED strips, which works with Home Assistant over MQTT and also supports the popular WLED firmware to easily control the LED strip through a web interface. It also features four I2C expansion headers for sensors and a small OLED display, a UART header, and a GPIO header. It’s an update to Leon ANAVI’s Miracle Controller introduced in 2019 with an ESP8266. A lot of things have changed since then, and it’s gotten easier than ever to control RGB LED strips using open-source software and firmware. ANAVI Miracle Emitter specifications: Wireless Module – Seeed Studio XIAO ESP32C3 Wireless MCU –  Espressif Systems ESP32-C3 single-core RISC-V microcontroller @ 160 MHz with 400KB SRAM, 384KB ROM, 4MB flash, Wi-Fi 4 & Bluetooth LE 5.0 connectivity Antenna – External u.FL antenna USB – USB Type-C port […]

SONOFF SNZB-02LD and SNZB-02WD IP65-rated Zigbee LCD Smart thermometers work with liquids or outdoors

SONOFF SNZB-02LD IP65 Zigbee LCD Thermometer

ITEAD has introduced two new SONOFF devices: the IP65-rated SNZB-02LD and SNZB-02WD Zigbee 3.0 LCD Smart thermometers designed to work in liquids or enclosed spaces such as bathtubs or refrigerators, or outdoors in gardens or other humid environments, respectively. Both devices look similar and can measure temperature with +/- 0.5°C accuracy, but the SONOFF SNZB-02LD model ships with a 1.5m long probe to measure the temperature of liquids in a pool, a bathtub, or fermentation vessel (for beer or wine making), as well as in refrigerators. On the other end, the SNZB-02WD features a built-in temperature and humidity sensor. SONOFF SNZB-02WD/LD specifications: MCU – Telink TLSR8656F512ET32 (part of the TSL8656 family – See PDF datasheet ) Zigbee/RF4CE SoC with 32-bit RISC MCU, 64kB SRAM, 512kB internal Flash Display – 2.2-inch LCD Wireless – Zibgee 3.0 (802.15.4 radio on TSL8656) Temperature and Humidity sensor SNZB-02WD (internal) Temperature Range – -20°C to […]

Battery-powered Seeed Studio IoT Button features ESP32-C6 SoC, supports ESPHome or Zigbee firmware

Seeed Studio ESP32-C6 IoT Button

Seeed Studio IoT Button is an inexpensive ESP32-C6 button powered by a rechargeable 18650 battery and designed to easily and quickly control Smart Home devices over WiFi 6 or Zigbee wireless protocol. It will be especially handy to Home Assistant users since the device is pre-flashed with ESPHome firmware for easy integration (over WiFi), and the company also provides a Zigbee firmware for Zigbee Home Assistant  (ZHA) integration. The hardware is pretty basic with a button, three LEDs, and a USB-C port for charging the replaceable 18650 battery. Seeed Studio IoT Button specifications: SoC – ESP32-C6FH4 CPU Single-core 32-bit RISC-V clocked up to 160 MHz Low-power RISC-V core @ up to 20 MHz Memory – 512KB SRAM, 16KB low-power SRAM Storage – 320KB ROM, 4MB flash Wireless – 2.4 GHz WiFi 6, Bluetooth 5.0 LE/Mesh (somehow not used here), 802.15.4 radio for Zigbee 3.0 and Thread. Matter compatible. USB – […]

Seeed Studio XIAO 7.5″ ePaper panel supports ESPHome firmware, Arduino programming

XIAO 7.5-inch epaper panel

Seeed Studio XIAO 7.5″ ePaper Panel interfaces an XIAO ESP32-C3 USB-C board and mainly targets the Smart Home market with support for ESPHome, but the monochrome ePaper display is also programmable with the Arduino IDE for a wider range of applications. The display offers a resolution of 800×400 and includes a 2,000mAh battery good for three months per charge with updates every 6 hours. Seeed Studio says the display can operate in the -40°C to 85°C temperature range, so it would be suitable for outdoor use as long as it’s not exposed to rain or dust. The USB-C port of the ESP32-C3 module and the Boot and Reset buttons are easily accessible for charging the display and programming it. XIAO 7.5″ ePaper Panel specifications: Wireless module – XIAO ESP32C3 SoC –  Espressif Systems ESP32-C3 CPU – Single-core RISC-V microcontroller @ 160 MHz Memory/Storage – 400KB SRAM, 384KB ROM, 4MB flash […]

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