Author: Sayantan Nandy

Sayantan Nandy, an electronics engineer with over four years of hands-on experience in PCB design, circuit development and power electronics, is proficient in EAGLE CAD, Ki-Cad, and Altium. He has a proven track record of delivering efficient and effective systems. His expertise extends from R&D, and prototyping to production support, making him a valuable asset to any engineering team.
Posted on by Sayantan Nandy - 3 Comments on SparkFun Pro Micro – RP2350 development board comes with 16MB flash, 8MB PSRAM

SparkFun Pro Micro – RP2350 development board comes with 16MB flash, 8MB PSRAM

SparkFun RP2350 Pro Micro DEV

The SparkFun Pro Micro – RP2350 is a compact and powerful development board built around the RP2350 chip from Raspberry Pi and equipped with 16MB flash and 8MB PSRAM. It follows the updated Pro Micro design and includes a USB-C connector, Qwiic connector, WS2812B RGB LED, Boot and Reset buttons, resettable PTC fuse, and both PTH and castellated solder pads. Last week, besides the Raspberry Pi Pico 2, we wrote about more boards with the Raspberry Pi RP2350, like the XIAO RP2350, Solder Party’s RP2350 Stamp, and Cytron MOTION 2350 Pro. Feel free to check them out if you are interested in these boards. SparkFun Pro Micro – RP2350 specification Microcontroller  – Raspberry Pi RP2350A MCU CPU Dual-core Arm Cortex-M33 @150MHz with Arm Trustzone for secure boot Dual-core 32-bit Hazard3 RISC-V @ 150MHz Up to two cores can be used at the same time Memory – 520 KB on-chip SRAM […]

Posted on by Sayantan Nandy - 1 Comment on Vecow TGS-1000 – A fanless, stackable embedded computer with Intel Core Ultra Meteor Lake SoC

Vecow TGS-1000 – A fanless, stackable embedded computer with Intel Core Ultra Meteor Lake SoC

TGS 1000 Series Mini PC

The Vecow TGS-1000 Series is an ultra-compact, fanless, stackable embedded computer that includes the TGS-1000 and TGS-1500 models, powered by the latest Intel Core Ultra Metero Lake processors with integrated CPU, GPU, and NPU. It supports up to 96GB DDR5 memory and stackable expansion options for networking, serial, wireless, and more. This series is optimized for edge AI applications, offering up to 14% increased CPU productivity and enhanced graphics capabilities. The TGS-1000 Series offers up to five independent displays through two HDMI and three DP ports. It features a variety of I/O connections, including up to 5 USB 3.0 ports (4x Type-A and 1x Type-C) and one 2.5GbE LAN supporting TSN, making it ideal for vision and automation applications. Its modular design allows flexible expansion for USB, isolated DIO, COM, LAN, or 4G/LTE, suitable for AI, smart retail, office communication, and gaming. The TG-1500 series adds support for MXM graphics […]

Posted on by Sayantan Nandy - 2 Comments on MechDog AI Robot Dog features ESP32-S3 controller, supports Scratch, Python, and Arduino programming

MechDog AI Robot Dog features ESP32-S3 controller, supports Scratch, Python, and Arduino programming

MechDog Hiwonder AI robot dog

Hiwonder’s MechDog is a compact AI robot dog powered by an ESP32-S3 controller that drives eight high-speed coreless servos. It features built-in inverse kinematics for precise and agile movements and has ports for various I2C sensors such as ultrasonic and IMU sensors. The robot is equipped with a durable aluminum alloy frame and a removable 7.4V 1,500mAh lithium battery for power. MechDog integrates with the ESP32-S3 AI vision module, supporting dual-mode network communication either AP Hotspot Direct Connection Mode or STA LAN Mode so that users can access a designated URL webpage via an app or PC for real-time monitoring using a high-definition camera. Also, this robot dog supports various sensor modules, including a touch sensor, light sensor, dot matrix display, and programmable MP3 module, allowing for secondary development and expansion, offering extensive creative possibilities. Previously, we wrote about the Waveshare UGV AI Rover, which features a 2mm thick aluminum […]

Posted on by Sayantan Nandy - 8 Comments on ReSpeaker Lite Voice Assistant Kit combines XMOS XU-316 and ESP32-S3 for advanced voice processing, Home Assistant integration

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 […]

Posted on by Sayantan Nandy - 4 Comments on Waveshare UPS HAT (E) for Raspberry Pi 5/4/3B+ takes four 21700 Lithium batteries, supports USB PD 3.0

Waveshare UPS HAT (E) for Raspberry Pi 5/4/3B+ takes four 21700 Lithium batteries, supports USB PD 3.0

UPS HAT E

The Waveshare UPS HAT (E) is a UPS expansion board for Raspberry Pi 5/4B/3B+ that supports four 21700 Lithium batteries and includes a battery fuel gauge IC for monitoring voltage, current, and capacity. The USB Type-C port is compliant with the PD 3.0 standard and allows for 40W fast bi-directional charging, and a high-power buck chip provides a 5V/6A output. Additionally, it supports I2C for real-time status updates. Previously, we wrote about the wider SupTronics Raspberry Pi 5 UPS HAT, which supports four 18650 batteries and delivers up to 5V with a higher current output of 5A. This HAT has no Type-C support and uses a DC jack and XH2.54 connector for 6V-18V input. Feel free to check it out if you’re interested in this product. Waveshare UPS HAT (E) specifications: Compatibility – Raspberry Pi 5 / 4B / 3B+ USB Interfaces USB Type-C Input/Output – Supports multiple voltage levels […]

Posted on by Sayantan Nandy - 1 Comment on NBIOT/LTE-M Air Monitor – A solar-powered ESP32-S3 multi-sensor board with SIM7080G NB-IoT & LTE-M modem

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 […]

UP 7000 x86 SBC