ESP32-P4-Function-EV-Board development board launched for $55 with 7-inch display and camera module

ESP32-P4 development board

Espressif Systems “ESP32-P4-Function-EV-Board” – the official ESP32-P4 development board – is now available in limited quantities on Espressif’s AliExpress store for $55.44, and some other AliExpress stores at a premium as part of a kit with a 7-inch touchscreen display and a 2MP camera module. First unveiled in January 2023, the ESP32-P4 is the first general-purpose RISC-V microcontroller from Espressif Systems without any wireless connectivity. It’s a high-end microcontroller with two RISC-V cores clocked at 400 MHz, vector instructions for AI acceleration, a 2D graphics accelerator for smooth graphical user interfaces, and H.264 video encoding support. There’s been some buzz about it in recent months, and finally, it’s now possible to purchase an ESP32-P4 board for evaluation and software development. ESP32-P4-Function-EV-Board development board specifications: Microcontroller – Espressif Systems ESP32-P4 CPU Dual-core RISC-V HP (High-performance) CPU @ up to 400 MHz with AI instructions extension and single-precision FPU, 768KB of on-chip […]

Makerfabs SenseLora 4G gateway supports LTE Cat 1 and WiFi 4 connectivity, features solar battery charger

SenseLoRa 4G LTE CAT1 Gateway

The Makerfabs SenseLora 4G Gateway is a device that collects data from LoRa sensors (like temperature and humidity sensors) and sends that data over a 4G network to a cloud service or directly to your phone via SMS, this is ideal for applications where installing a LoRaWAN device is unnecessary or expensive. The application for this gateway includes monitoring soil humidity in your backyard or greenhouse conditions on your farm. Previously we have written about similar smart agriculture sensors including AgroSense LoRaWAN sensors and WisGate Soho Pro RAK7267 LoRaWAN gateway feel free to check those out if you are looking for LoRa-based agricultural products. Makerfabs SenseLora 4G gateway specifications SoC – Espressif ESP32-S3R8 CPU – Dual-core Tensilica LX7 microcontroller up to 240 MHz with vector instructions for AI acceleration Memory – 8MB PSRAM Wireless – WiFi 4 and Bluetooth 5.0 LE + Mesh connectivity LPWAN connectivity LoRaWAN SX1276 LoRa module Frequencies 868 […]

Waveshare ESP32-S3-Zero is a tiny WiFi and BLE IoT module with a USB-C port, up to 32 GPIOs

ESP32-S3-Zero

Waveshare ESP32-S3-Zero is a tiny (23.5×18 mm) module based on Espressif ESP32-S3 WiFi 4 and BLE microcontroller with two rows of nine through holes plus 16 pads for GPIOs, a USB-C port for power and programming, Boot and Reset buttons, and a ceramic antenna. It reminds me of the Seeed Studio’s XIAO ESP32S3 module with an even smaller 21 x 17.5mm design, but the ESP32-S3-Zero offers more GPIOs, an RGB LED, and a built-in ceramic antenna instead of a u.FL connector for an external antenna. Waveshare ESP32-S3-Zero specifications: Wireless MCU – Espressif Systems ESP32-FH4R2 CPU – dual-core Tensilica LX7 microcontroller @ 240 MHz Memory – 512KB SRAM,  2MB PSRAM Storage – 4MB flash Wireless – Wi-Fi 4 & Bluetooth 5.0 dual-mode (classic + BLE) connectivity Antenna – 2.4 GHz ceramic antenna USB – USB Type-C port for power and programming Expansion I/Os 2x 9-pin 2.54mm pitch headers and castellated holes […]

Arduino and LVGL-compatible ESP32-C3 board features a 1.28-inch round touchscreen display fully housed in a case

ESP32-2424S012 round display full enclosure

The ESP32-2424S012 is an ESP32-C3 WiFi and BLE development board with a 1.28-inch round touchscreen color display that is fully housed in a black or white plastic enclosure and suitable for Arduino and LVGL library. As we’ll see further below some have also used it with Tasmota and ESPHome firmware. We previously covered several tiny ESP32-S3/ESP32-C3 boards with a round display such as the LILYGO T-RGB ESP32-S3 board, Makerfabs “ESP32-S3 Round SPI TFT with Touch 1.28″, SB Components’ Dual Roundy, but they either don’t come with a case at all, or only the front is covered, but the bottom is laid bare. The ESP32-2424S012 is quite similar, but it can be purchased with a case that covers both the front and back with some openings for expansion connectors. ESP32-2424S012 board specifications: Wireless module – Espressif Systems ESP32-C3-MINI-1U module SoC – ESP32-C3 RISC-V microcontroller @ 160 MHz with 400 KB SRAM, 2.4 […]

ReSpeaker Lite Voice Assistant Kit combines XMOS XU-316 and ESP32-S3 for advanced voice processing, Home Assistant integration

ReSpeaker Lite and Voice Assistant Kit

Seeed Studio’s ReSpeaker Lite Series includes the ReSpeaker Lite 2-Mic Array and Voice Assistant Kit, featuring the XMOS XU-316 AI sound chip for advanced voice processing and integration with Home Assistant via ESPHome. It’s perfect for smart home control with far-field voice capture and noise cancellation. The kit combines the ReSpeaker Lite dual-microphone array with the XIAO ESP32S3 module for voice recognition, noise reduction, and processing. It supports WiFi, BLE 5.0, and has a 2.4GHz rod antenna. It also offers I2S and USB connectivity for use with microcontrollers and SBCs, making it ideal for smart voice assistants and home automation. We’ve previously covered the NXP i.MX RT106F & RT106A/L, where NXP i.MX RT106A  can run voice assistant software with features like acoustic echo cancellation, ambient noise reduction, beamforming, barge-in, and playback processing. We’ve also written about other ReSpeaker boards, such as the ReSpeaker 4-Mic Array board, ReSpeaker Core board, and […]

M5Stamp Fly ESP32-S3 WiFi drone is controlled by the M5Atom WiFi joystick controller using ESPNOW

M5Stamp Fly ESP32 Drone

M5Stack M5Stamp Fly is a tiny ESP32-S3 WiFi drone based on the company’s M5Stamp S3 WiFi 4 and BLE IoT module, equipped with four motors and several sensors. and controllable the M5Atom WiFi joystick controller also based on ESP32-S3 WiSoC. We have recently seen some tiny ESP32 or ESP8266 WiFi drones with a low-cost ESP32 DIY drone and the PiWings 2.0 drone, but the M5Stamp Fly is more advanced with a total of six sensors including a barometer, two time-of-flight distance sensors, a 6-axis IMU, a 3-axis magnetometer, and an optical flow detection sensors, plus two Grove connector for additional sensors or modules. M5Stamp Fly (K138) specifications: Main controller – M5Stamp S3 module WiSoC – Espressif Systems ESP32-S3FN8 dual-core 32-bit Xtensa LX7 microcontroller with AI vector instructions up to 240MHz, RISC-V ULP co-processor, 512KB SRAM, 2.4GHz WiFi 4 (802.11b/g/n), Bluetooth 5.0 BLE + Mesh, 8MB flash Connectivity 2.4 GHz WiFi […]

NBIOT/LTE-M Air Monitor – A solar-powered ESP32-S3 multi-sensor board with SIM7080G NB-IoT & LTE-M modem

nbiotlte m air monitor air temperature humidity light co2

The NBIOT/LTE-M Air Monitor is a solar-powered device that utilizes a combination of ESP32-S3 and SIM7080G modules for remote environmental monitoring. It monitors and transmits environmental parameters such as temperature, humidity, CO2, TVOC, and light intensity using low-power wide-area network (LPWAN) technology ensuring efficient power consumption, durability, and reliable data transmission. Previously we have written about similar environment monitor devices like the Airlytix ES1,  Sonoff SC WiFi, V-Air Monitro, and devices like Arduino MKR IoT Carrier Rev2, Radair mini gateway, and Nicla Sense ME  designed for environment monitoring applications. Feel free to check those out if you are interested in this type of product. NBIOT/LTE-M Air Monitor specification Wireless Module – ESP32-S3-WROOM-1-N16R8 Espressif Systems ESP32-S3R8 – Dual-core Tensilica LX7 @ up to 240 MHz with vector instructions for AI acceleration, 512KB RAM, 8MB PSRAM Storage – 16 MB flash Wireless – 2.4 GHz WiFi 4 and Bluetooth PCB antenna Cellular connectivity Module – SIMCom SIM7080G LTE Cat […]

Tuya Ivy smart flower pot monitors your plant’s inner feelings

Tuya Ivy Smart Flower Pot

No need to check the calendar, it’s not the first of April, and Tuya Ivy is indeed a smart WiFi-connected flower pot with a display that will report your plant’s thirst for water, need for more light, and even loneliness… Developed by PlantsIO, the Ivy smart flower pot is powered by an ESP32 wireless microcontroller connected to seven sensors including lighting and moisture sensors, and a display to show various faces. There’s also a USB-C port for power, a microSD card slot for data storage, some buttons, and a touch bar for user interaction. Tuya Ivy specifications: Wireless module – ESP32-WROVER-E SoC – ESP32 dual-core LX6 processor running at 240 MHz with 520KiB internal RAM Memory – 64 Mbit PSRAM (ESP PSRAM64H) Storage – 64Mbit SPI flash (XMC 25QH64CH10) Wireless – 2.4 GHz WiFi and Bluetooth 5.x (Only WiFi appears to be use) Storage – microSD card Display – Tri-color […]