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 - No Comments on u-blox UBX-M10150-CC – A tiny GNSS receiver chip for wearables with 10mW power consumption

u-blox UBX-M10150-CC – A tiny GNSS receiver chip for wearables with 10mW power consumption

UBX-M10150-CC GNSS receiver chip

u-blox has launched the UBX-M10150-CC GNSS receiver chip tailored for wearables such as sports and smartwatches thanks to its tiny size (2.39 x 2.39mm) and an ultra-low power consumption of just 10mW. The chip supports GPS, Galileo, BeiDou, and QZSS/SBAS constellations and features LEAP (Low Energy Accurate Positioning) technology for efficient and accurate positioning up to a 1.5m range.   u-blox UBX-M10150-CC specifications: Receiver type – u-blox M10 engine GNSS technology GPS L1 C/A, QZSS L1 C/A/S, BeiDou B1I/B1C, Galileo E1B/C SBAS L1 C/A – WAAS, EGNOS, MSAS, GAGAN Navigating Frequency – Up to 2 Hz (LEAP) and up to 12 Hz (High Performance) Accuracy – 1.5 m CEP (Circular Error Probable), horizontal position Response Time – Cold Start (28s), Hot Start (1s), Aided Start (1s) Sensitivity Tracking & Navigation (-159 dBm), Reacquisition (-158 dBm) Cold Start (-148 dBm), Hot Start (-159 dBm) Tracking features LEAP technology Data batching – […]

Posted on by Sayantan Nandy - No Comments on T-Keyboard-S3 Pro 4-Key USB mechanical keyboard adds rotary encoder, support for daisy-chaining up to six keyboards

T-Keyboard-S3 Pro 4-Key USB mechanical keyboard adds rotary encoder, support for daisy-chaining up to six keyboards

LILYGO T-Keyboard-S3 Pro

Last year, we featured the T-Keyboard-S3, a USB mechanical keyboard with ESP32-S3, and four mechanical keys each fitted with a 0.85-inch color display. The upgraded T-Keyboard-S3-Pro adds a rotary encoder and four magnetic interfaces on each side controlked by an STM32G030 MCU to daisy-chain the host keyboard with up to 5 slave keyboards in a 3×2 grid. Previously, we featured the ANAVI Macro Pad 12, Macro Pad 10, and Macro Pad 2 programmable keyboards. Feel free to explore those as well. LILYGO T-Keyboard-S3 Pro specifications: Wireless module – ESP32-S3-WROOM-1 used in the host model only MCU –  ESP32-S3R8 dual-core LX7 microprocessor @ up to 240 MHz with Vector extension for machine learning Memory – 8MB PSRAM Storage – 16MB SPI flash Connectivity – WiFi 4 and Bluetooth 5 with LE/Mesh PCB antenna Secondary MCU – STMicro STM32G030F6P6 for I2C magnetic connectors CPU – Arm 32-bit Cortex-M0+ CPU, frequency up to […]

Posted on by Sayantan Nandy - 1 Comment on iBASE IB996 full-size PICMG 1.3 CPU card features Intel Q670E chipset, supports 12th to 14th Gen Intel Core desktop processors

iBASE IB996 full-size PICMG 1.3 CPU card features Intel Q670E chipset, supports 12th to 14th Gen Intel Core desktop processors

iBASE IB996 CPU Card

The iBASE IB996 full-size PICMG 1.3 CPU card, built on the Intel Q670E chipset, supports 12th to 14th Gen Intel Core desktop processors. It is designed for industrial and embedded applications with dual 2.5GbE LAN, DDR5 support, and extensive I/O options including PCI and PCIe x16 interfaces. We haven’t covered this type of card on CNX Software before, so some basic explanations are needed. PICMG 1.3, or SHB Express, is an industrial standard for System Host Boards (SHBs) supporting PCIe, PCI, and PCI-X interfaces first ratified in 2005 (PCIMG 1.0). It uses a backplane to separate the processing unit from I/O, enabling modular design and easy integration. Commonly used in industrial automation, medical systems, and embedded computing, it ensures compatibility and scalability for high-performance applications. iBASE IB996 CPU card specifications: Supported SoC – 14th, 13th, and 12th Gen Intel Core i9/i7/i5/i3 desktop processors (LGA1700 socket) based on the Raptor Lake-S […]

Posted on by Sayantan Nandy - 1 Comment on Nordic Thingy:91 X multi-sensor cellular IoT platform combines nRF9151 LTE IoT SiP, nRF5340 BLE SoC, and nRF7002 WiFi 6 IC

Nordic Thingy:91 X multi-sensor cellular IoT platform combines nRF9151 LTE IoT SiP, nRF5340 BLE SoC, and nRF7002 WiFi 6 IC

Nordic Thingy:91 X cellular IoT

Nordic Semiconductor introduced the Nordic Thingy:91 in mid-2019, a cellular IoT prototyping platform built around the Nordic nRF9160 system-in-package (SiP). It supports LTE-M, NB-IoT, and GPS, and includes features like an Arm Cortex-M33 core, Arm TrustZone security, and flash memory. The platform is ideal for creating IoT Proof-of-Concepts, demos, and prototypes, making it easy to test and deploy IoT applications. The upgraded Nordic Thingy:91 X features the new Nordic nRF9151 SiP, offering support for LTE-M, NB-IoT, GNSS, and DECT NR+ for global connectivity, integrates the nRF5340 SoC for USB and Bluetooth LE, and the nRF7002 IC for Wi-Fi locations. The platform includes sensors for environmental and motion sensing, one expansion connector for Qwiic/STEMMA QT and Grove modules, and antennas for LTE, GNSS, and Wi-Fi. Additionally, the kit also features a Nano/4FF SIM slot, two SIM cards, and a 1,350 mAh Li-Po battery managed by nPM6001 and nPM1300 PMICs, to support field […]

Posted on by Sayantan Nandy - No Comments on SenseCAP Indicator – An ESP32-S3 and RP2040-based Meshtastic LoRa device with a 4-inch touchscreen display

SenseCAP Indicator – An ESP32-S3 and RP2040-based Meshtastic LoRa device with a 4-inch touchscreen display

ESP32S3 Meshtastic LoRa Indicator

The SenseCAP Indicator is a 4-inch capacitive touchscreen device designed for IoT connectivity and Meshtastic applications powered by Espressif Systems ESP32-S3 and Raspberry Pi RP2040 microcontrollers. It supports Wi-Fi (802.11b/g/n) and Bluetooth 5.0 LE connectivity, as well as LoRa using the Semtech SX1262 chip. The device also provides Grove connectors for expansion and a microSD slot supporting up to 32GB. Preloaded with Meshtastic firmware, the SenseCap Indicator is ready to function as a Meshtastic desktop or car node and can be reconfigured into a LoRaWAN Single-Channel Gateway. It features a 3.95-inch RGB touchscreen with 480×480 resolution, which is larger than most other Meshtastic solutions we’ve covered. Previously, we reviewed the SenseCAP Indicator D1Pro, which shares many features with the SenseCAP Indicator. However, the D1Pro integrates tVOC and CO2 sensors, along with an external Grove AHT20 TH sensor for precise temperature and humidity measurements. With real-time air quality monitoring from the […]

Posted on by Sayantan Nandy - No Comments on reComputer R1113-10 industrial IoT gateway offers isolated RS485, RS232, DI, DO, and dual Gigabit Ethernet

reComputer R1113-10 industrial IoT gateway offers isolated RS485, RS232, DI, DO, and dual Gigabit Ethernet

reComputer R1113-10 industrial IoT gateway

Seeed Studio has launched the reComputer R1100 series industrial IoT gateway family based on Raspberry Pi CM4. The first model, the reComputer R1113-10, is powered by a Raspberry Pi Compute Module 4 module with 2GB RAM and 8GB eMMC storage. It includes two isolated RS485 ports, two isolated RS232 ports, DI and DO interfaces, and twelve LED indicators. Additional connectivity options include dual Gigabit Ethernet ports, Wi-Fi, Bluetooth 5.0, LoRa, 4G LTE, and Zigbee. The device also features two USB-A 2.0 ports, a USB-C 2.0 port for OS flashing, an HDMI 2.0 output, and a MicroSD card slot. There are many such industrial IoT gateways based on Raspberry Pi CM4 and other SoMs or SoCs on the market, and we covered a bunch including the Compulab IOT-DIN-IMX8PLUS, Digi IX40, Dusun DSGW-380, Cytron IRIV PiControl, and Robustel EG5101 and EG5200, among others, each with their own unique set of features. reComputer […]

Posted on by Sayantan Nandy - No Comments on u-blox MAYA-W4 tri-radio IoT module features NXP IW610 chipset with Wi-Fi 6, Bluetooth 5.4, and 802.15.4 radios

u-blox MAYA-W4 tri-radio IoT module features NXP IW610 chipset with Wi-Fi 6, Bluetooth 5.4, and 802.15.4 radios

MAYA-W4 Wi Fi 6 Module

Last year, we covered the u-blox MAYA-W3 module, which was based on the Infineon AIROC CYW5551x chipset and utilized separate chipsets for 2.4 GHz, 5 GHz, and 6 GHz frequencies. Now, u-blox has introduced the MAYA-W4 series, a host-based Wi-Fi 6, Bluetooth 5.4, and 802.15.4 module built on the NXP IW610 chipset. Designed for industrial and commercial applications such as building automation, energy management, smart homes, and healthcare, the MAYA-W4 series supports SISO Wi-Fi 6 with a 20 MHz channel width, ensuring reliable performance in dense network environments. These modules can function as access points, stations, P2P devices, or in mixed modes. The MAYA-W4 modules are compatible with the Matter protocol over Thread and Wi-Fi, facilitating seamless integration across ecosystems. With a compact size of 10.4 x 14.3 mm, these modules rank among the smallest Wi-Fi 6 SMD modules and are available with integrated antennas or U.FL connectors. Rigorous testing […]

Posted on by Sayantan Nandy - No Comments on u-blox SARA-R10001DE LTE Cat 1bis Module integrates an eSIM with Multi-IMSI and eUICC support

u-blox SARA-R10001DE LTE Cat 1bis Module integrates an eSIM with Multi-IMSI and eUICC support

SARA-R10001DE top and bottom

u-blox has introduced the SARA-R10001DE, an LTE Cat 1bis module with integrated eSIM featuring multi-IMSI technology and eUICC functionality. The module is pre-provisioned with Wireless Logic’s Conexa IoT Network SIM profiles for global IoT deployments. The eSIM supports OTA using Remote SIM Provisioning, allowing the module to switch between multiple stored SIM profiles to connect to the best available network. Multi-IMSI technology allows eSIMs to store multiple International Mobile Subscriber Identity (IMSI) profiles, enabling dynamic network switching for uninterrupted connectivity. eUICC functionality, based on the GSMA standard, facilitates OTA updates and profile management, simplifying operator switching and ensuring global compliance. Although SARA-R10001DE is u-blox’s first LTE Cat 1bis module with an embedded SIM (eSIM), we previously covered the u-blox LEXI-R10 LTE Cat 1bis module and associated evaluation kit, as well as Cavli C17QS Cat 1bis module built around the Qualcomm QCX217 microcontroller. u-blox SARA-R10001DE module specifications: LTE module – SARA-R10001DE […]

EmbeddedTS embedded systems design