Energy Meter for Home Assistant
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Home Assistant-compatible Makerfabs ESP32-S3-based energy meter features BL0942 energy metering IC

The Energy Meter for Home Assistant is an ESP32-S3-based single-phase energy monitoring and control module designed to work with Home Assistant via ESPHome. It measures real-time power and energy consumption and also has a remote on/off control. The device is built around the BL0942 calibration-free energy metering IC, which supports voltage, current, power, and energy measurements with less than 1% error. It operates directly from AC 100–240V, includes an onboard 15A relay for switching loads, and provides electrical isolation for safety. Connectivity is done through USB and Wi-Fi using ESPHome for easy firmware flashing, API encryption, and automatic discovery in Home Assistant. These features make it suitable for smart homes, DIY energy monitoring, smart sockets, home energy dashboards, and automation projects. Energy Meter for Home Assistant specifications: Core module – Espressif Systems ESP32-S3-WROOM-1 SoC – ESP32-S3 CPU – Dual-core Tensilica LX7 up to 240 MHz with vector extension for AI/ML workloads […]

ESP32 S3 RLCD Development Board
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ESP32-S3 development board features 4.2-inch Reflective LCD (RLCD), dual microphone array, onboard speaker

Waveshare ESP32-S3-RLCD-4.2 is a 4.2-inch Reflective LCD (RLCD) development board built around ESP32-S3 wireless SoC for DIY projects, rapid prototyping, and smart display devices that need a paperlike experience with a higher refresh rate compared to e-paper displays. The ESP32-S3 provides 2.4 GHz Wi-Fi and Bluetooth 5 LE connectivity, and the board also includes a dual microphone array with ES7210 ADC and ES8311 audio codec, as well as an onboard speaker for AI voice interaction. Other features include an SHTC3 temperature and humidity sensor, a PCF85063 RTC, a microSD card slot for storage, along with multiple GPIO, UART, and I²C expansion headers. Power, programming, and battery charging are done through the USB Type-C port connected to an optional 18650 battery. Applications include electronic calendars, desktop displays, voice-based devices, environmental monitoring, and low-power indoor or outdoor display systems. ESP32-S3-RLCD-4.2 specifications Core module – Espressif Systems ESP32-S3-WROOM-1-N16R8 SoC – ESP32-S3 CPU – Dual-core […]

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HackyPi 2.0 USB Hacking and penitration testing tool
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HackyPi 2.0 hacking tool gets ESP32-S3 for Wi-Fi and Bluetooth connectivity (Crowdfunding)

HackyPi 2.0 is an ESP32-S3-based USB hacking and automation tool designed for both coders and non-coders. It features AI-assisted control, HID keystroke injection, BadUSB, and a no-code interface for learning, automation, ethical hacking, and overall system interaction. Compared to the original Raspberry Pi RP2040-based HackyPi, the HackyPi 2.0 adds Wi-Fi and Bluetooth connectivity, remote access, AI integration, and automatic OS detection, making it far more flexible. It keeps support for BadUSB and HID keystroke injection and also adds features such as mouse jiggler mode, child-safety website blocking, RGB status lighting, and LVGL-based UI support. Everything can be controlled through a beginner-friendly, no-code visual interface, while there is also an option to run commands, scripts, and automated workflows when deeper control is needed. HackyPi 2.0 specifications: Main SoC – ESP32-S3 CPU – Dual-core LX7 microprocessor @ up to 240 MHz with Vector extension for machine learning Wireless – WiFi 4 and […]

ESP32 S3 AIoT Basic for beginners, classrooms, rapid prototy
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ESP32-S3 AIoT Basic – A learning and prototyping kit with camera, audio, LCD, and sensors

The ESP32-S3 AIoT Basic is a low-cost, learning, and prototyping kit for the ESP32-S3. The board integrates common AIoT peripherals directly onto a single PCB, making the design part easy for beginners, classrooms, and rapid prototyping. Built around an ESP32-S3 board, the development platform integrates nine commonly used modules directly on the PCB, including a button, buzzer, LED indicator, light sensor, LCD, digital microphone, SD card slot, audio amplifier, and a camera. Most AI and IoT demos can be run without breadboards or jumper wires, while expansion is supported through standard pin headers and Grove connectors. The board supports 5V power via USB-C, and 6–12 V power input via Vin for driving additional devices. With various tutorials and sample projects, it is suitable for AIoT learning, STEM education, voice and vision demos, sensor-based projects, and quick proof-of-concept development. ESP32-S3 AIoT Basic Specifications: Main board – ESP32-S3 Core Board SoC – […]

XIAO ePaper Display Kit
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XIAO ePaper DIY Kit features ESP32-S3 or nRF52840 SoC, supports 1.54-inch to 7.5-inch displays

Seeed Studio has launched two new ePaper display DIY Kits: the XIAO ePaper DIY Kit-EN04 and XIAO ePaper DIY Kit-EE04, respectively powered by a Nordic Semi nRF52840 or Espressif ESP32-S3 wireless SoC. Both kits support 24-pin and 50-pin ePaper displays, and the company offers 1.54-inch to 7.5-inch displays as options. The XIAO ePaper DIY kits also feature a battery connector with a power switch, a built-in charging IC, and come with one reset and three user buttons. They target low-power ePaper projects such as digital signage, electronic labels, and portable information boards. XIAO ePart DIY kit specifications: Wireless board Kit-EN04 – XIAO nRF52840 Plus Wireless MCU –  Nordic nRF52840 Arm Cortex-M4F microcontroller @ up to 64 MHz with 1 MB flash, 256 KB SRAM, Bluetooth 5.0, NFC, 802.15.4 connectivity Storage – 2 MB onboard Flash Wireless Connectivity – Bluetooth 5.0 (BLE), 802.15.4, and NFC Antenna – Ceramic antenna USB – USB […]

EBYTE ECM50 A07 ESP32 S3 Industrial Computer
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EBYTE ECM50-A industrial ESP32-S3 controller offers RS232, RS485, DI/DO, Ethernet, and 4G LTE or LoRa connectivity

EBYTE ECM50-A is a compact, industrial-grade programmable controller built around the ESP32-S3 wireless SoC designed for IoT and edge control applications, such as environmental monitoring and remote telemetry in the smart industry, energy, and utilities sectors As it’s built around the ESP32-S3, it features Wi-Fi and Bluetooth LE, but the controller also supports Fast Ethernet, 4G LTE or LoRa connectivity, and offers RS232/RS485, two digital inputs, two digital outputs/relays, and two analog inputs (4–20 mA/12-bit), as well as a microSD card slot for data logging. The ECM50-A also implements various communication protocols like TCP/IP, HTTP, MQTT, and Modbus TCP master/slave. The industrial controller is designed to operate in the -40°C to 85°C temperature range. EBYTE ECM50-A specifications: Wireless Module – ESP32-S3-WROOM-1 SoC – Espressif Systems ESP32-S3R8 CPU – Dual-core Tensilica LX7 up to 240 MHz with vector extension for AI/ML workloads RAM – 512KB SRAM, 8MB PSRAM ROM – 284KB Wireless […]

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XIAO Debug Mate
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$19.90 XIAO Debug Mate ESP32-S3-based 3-in-1 multi-tool acts as a DAPLink debugger, serial monitor, and/or power profiler

Seeed Studio XIAO Debug Mate is an inexpensive ESP32-S3-based multi-tool designed for the company’s XIAO boards, offering DAPLink debugger, serial monitor, and power profiler modes. The debugger comes with 8MB flash, 8MB PSRAM, a 2.01-inch display to display debugging/power information, two 14-pin headers to provide easy access to the XIAO’s module I/Os, a 36 LED matrix for status indication, and a couple of buttons, plus a srcoll wheel to navigate the menu. The serial monitor function can also be used be Arduino, Raspberry Pi, or other boards. XIAO Debug Mate specifications: Wireless MCU – Espressif Systems ESP32-S3R8 CPU – Dual-core Tensilica LX7 microcontroller @ 240 MHz Memory – 512KB SRAM, 8MB PSRAM Wireless – Wi-Fi 4 & Bluetooth 5.0 dual-mode (Classic + BLE) connectivity Storage – 8MB SPI flash Display – 2.01-inch TFT LCD with 296 x 240 resolution Expansion 2x 14-pin female GPIO headers routing the XIAO module pins […]

Heltec WiFi LoRa 32 V4 shell kit
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Heltec WiFi LoRa 32 (V4) – An ESP32-S3 off-grid LoRa/Meshtastic communicator with solar input, GNSS, and 28dBm Tx Power

While searching AliExpress, I found the WiFi LoRa 32 (V4) shell set, another ESP32-S3-based off-grid LoRa/Meshtastic communicator designed for long-range wireless applications. Compared to devices like Blackout Comms, Wio Tracker L1 Pro, and ThinkNode M2, this device features built-in solar charging, optional GNSS, a removable battery, and a higher transmit power. The device features a Semtech SX1262 LoRa transceiver, an amplifier delivering up to 28 ± 1 dBm transmit power, along with integrated Wi-Fi and Bluetooth 5/Mesh connectivity. It adds solar charging, an 8-pin GNSS connector, upgraded battery management, gold-plated 40-pin headers, and a fully protected 0.96-inch OLED, as well as a few I/Os for expansion. The USB-C port includes ESD and short-circuit protection, while dual IPEX connectors support both LoRa and 2.4 GHz antennas. Heltec WiFi LoRa 32 (V4) specifications: SoC – Espressif Systems ESP32-S3 CPU – Dual-core 32-bit microcontroller @ 240MHz Memory – 512KB SRAM, 2MB PSRAM Storage – […]

Boardcon MINI1126B-P AI vision system-on-module wit Rockchip RV1126B-P SoC