LoRaWAN News - CNX Software - Embedded Systems News

March 31, 2026March 30, 2026 by Jean-Luc Aufranc (CNXSoft) - 7 Comments

T-Display-P4 smartphone-like devkit features ESP32-P4 MCU, ESP32-C6 wireless SoC, and SX1262/LR2021 LoRa transceiver

LILYGO T-Display-P4 is a feature-rich ESP32-P4 + ESP32-C6 devkit, but with a smartphone-like design and support for GPS, Ethernet, and LoRaWAN through SX1262 or LR2021 LoRa transceiver, besides the usual WiFi 6, Bluetooth 5.x, and 802.15.4 wireless connectivity. The T-Display-P4 is offered with either a 4.05-inch IPS display and a 2MP front-facing camera or a 4.1-inch AMOLED with a 2MP rear camera. The devkit is equipped with 32MB PSRAM and 16MB NOR flash for the ESP32-P4, a microSD card slot, a built-in microphone and speaker, a 3.5mm audio jack, a few USB ports, and a 9-axis motion sensor, as well as a GPIO port and two Qwiic connectors for expansion. T-Display-P4 specifications: MCU – ESP32-P4 CPU Dual-core RISC-V microcontroller @ 360 MHz with AI instructions extension and single-precision FPU Single-RISC-V LP (Low-power) MCU core @ up to 40 MHz GPU – 2D Pixel Processing Accelerator (PPA) VPU – H.264 and […]

March 20, 2026 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

8-inch ESP32-P4 touch display offers WiFi 6, BLE, 802.15.4 connectivity, optional 4G LTE and LoRaWAN

Seeed Studio’s reTerminal D1001 is an 8-inch capacitive touch display powered by an ESP32-P4 RISC-V microcontroller and equipped with an ESP32-C6 wireless module, a camera, a dual-microphone array, and a speaker. The reTerminal D1001 is a fully enclosed solution designed for HMI applications such as control panels, vision-enabled IoT terminals, video intercoms, and smart dashboards. One highlight compared to other ESP32-P4 displays is optional support for 4G LTE cellular connectivity using an mPCIe module and SIM card slot, as well as LoRaWAN using a Stamp module. reTerminal D1001 specifications: SoC – Espressif Systems ESP32-P4NRW32 CPU Dual-core 32-bit RISC-V HP (High-performance) CPU @ up to 400 MHz with AI instructions extension and single-precision FPU Single-RISC-V LP (Low-power) MCU core @ up to 40 MHz Memory 768 KB HP L2MEM (for dual-core CPU), 32 KB LP SRAM, 8 KB TCM (for LP MCU core) 32MB PSRAM Storage – 128 KB HP ROM, 16 […]

March 16, 2026March 15, 2026 by Debashis Das - 2 Comments

M5Stamp C6LoRa tiny (18×15×2.3 mm) SMD module pairs ESP32-C6 with SX1262 LoRa chip

The M5Stamp C6LoRa is a compact LoRa SMD module that combines the ESP32-C6 Wi-Fi 6, Bluetooth LE, and 802.15.4 microcontroller with the SX1262 LoRa transceiver for both high-speed and long-distance communication. The module targets applications such as smart agriculture, remote meter reading, industrial monitoring, and outdoor long-range wireless control systems. The module measures 18 × 15 × 2.3 mm, making it suitable for space-constrained systems and compact embedded designs. M5Stack has also added an SGM13005L4 low-noise amplifier (LNA) to improve reception performance, along with a PI4IOE5V6408 I/O expander that manages the LoRa control signals without using too many of the ESP32-C6’s GPIO pins. M5Stamp C6LoRa specifications: SoC – 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/Storage – 512KB SRAM, 320KB ROM Wireless – WiFi 6, BLE 5.3, 802.15.4 (See wireless section) Storage – 16 MB external NOR flash […]

March 10, 2026March 10, 2026 by Jean-Luc Aufranc (CNXSoft) - 7 Comments

BeagleBadge – A Linux-powered 4.2-inch ePaper badge based on TI Sitara AM62L32 SoC

The BeagleBoard.org Foundation has just introduced the BeagleBadge featuring a 4.2-inch ePaper display and a Linux-capable Texas Instruments Sitara AML62L32 dual-core Cortex-A53 SoC. It’s quite feature-rich for a badge, as it offers WiFi 6, Bluetooth 5.4 LE, and LoRa/LoRaWAN connectivity, various motion and environmental sensors, a USB 2.0 host port, Mikrobus, Grove, and QWIIC expansion connectors, a 4-way joystick, a buzzer, and a range of buttons and LEDs. BeagleBadge specifications: SoC – Texas Instruments Sitara AM62L32 dual-core Arm Cortex-A53 processor @ 1.25GHz System Memory – 256 MB (128M x 16bit) LPDDR4 @ 1600 MHz Storage 4GB eMMC flash 256Mbit OSPI flash 32Kbit EEPROM MicroSD card slot Display 4.2-inch ePaper display via 24-pin FPC Connector MIPI DSI connector for LCD Wireless 2.4 GHz WiFi 6 + Bluetooth 5.3 via BeagleMod CC3301-1216 module with MHF4 Connector LoRaWAN via Wio SX1262 module with u.FL Connector USB USB 2.0 Type-A host port USB Type-C […]

February 16, 2026February 16, 2026 by Debashis Das - 1 Comment

LR2021 LoRa Plus board combines Semtech LR2021 and Nordic nRF54L15 for high-speed FLRC and LoRa connectivity

Last year, Semtech released the LR2021 LoRa Plus transceiver chip, designed to address the low data-rate issue associated with LoRa, but surprisingly, they didn’t release a development board for the chip. Now, almost a year later, Seeed Studio and Semtech have partnered to introduce the LR2021 LoRa Plus development kit targeting long-range high-speed LoRa and FLRC applications up to 2.6 Mbps. Not only does the board support LoRa Gen 4 technology, providing Sub-GHz, 2.4 GHz ISM, and S/L-band operation, but a XIAO nRF54L15 board also adds dual-core processing (Arm Cortex-M33 + RISC-V) and supports other short-range protocols, including NFC, Bluetooth LE 6.0, Matter, Thread, and 2.4 GHz proprietary protocols. The development board also features a 0.96-inch 128×64 OLED, three Grove connectors for expansion, a USB Type-C for power, SWD debugging, and two Sub-GHz and 2.4 GHz SMA connectors. It is compatible with Arduino Uno, STM32 Nucleo, and Nordic DK boards. […]

January 21, 2026January 21, 2026 by Debashis Das - No Comments

LilyGO T-Display S3 Pro LR1121 devkit adds Sub-GHz and 2.4GHz LoRa, audio support

LilyGO has recently released the T-Display S3 Pro LR1121, a new ESP32-S3 development kit with a Semtech LR1121 transceiver for universal LoRa connectivity across the sub-GHz and 2.4GHz bands. The board is an update to the earlier T-Display S3 Pro, which features a slimmer design and a 2.33-inch touchscreen display, but this new LR1121 variant adds sub-GHz and 2.4 GHz LoRa/(G)FSK support along with a voice communication kit that includes a MAX98357A I2S speaker amplifier, a PDM/I2S digital microphone, vibration motor, and a RTC. There are also programmable buttons, Qwiic connectors, and a 1/4-inch tripod mount, as well as a 2000 mAh Li-ion battery, USB-C for power, and ultra-low sleep current. These features make it suitable for applications such as LoRa walkie-talkies, Meshtastic nodes, voice-enabled IoT devices, portable dashboards, and experimental long-range wireless systems. T-Display S3 Pro LR1121 specifications: Wireless MCU – Espressif ESP32-S3R8 CPU – Dual-core Tensilica LX7 microcontroller […]

January 12, 2026January 13, 2026 by Debashis Das - 10 Comments

LILYGO T-Beam 1W – An ESP32-S3 + SX1262 high-power LoRa dev board with 32 dBm output, GNSS support

The LILYGO T-Beam-1W is an ESP32-S3-based high-power LoRa development board featuring an SX1262 RF transceiver, an onboard 1W power amplifier (32 dBm), a L76K GNSS module, a 1.3-inch SH1106 OLED, a microSD slot, USB-C, Qwiic connectors, and an AXP2101 PMU. The board runs on a 7.4V battery and includes a cooling fan for high-power RF operation. We first wrote about the original LILYGO T-Beam (then branded as TTGO) in 2018, and since then, the company introduced various revisions of the T-Beam as it became popular. The T-Beam 1W is the most powerful version so far, with a built-in 1 Watt amplifier that allows the board to transmit data over longer distances without needing to buy separate, bulky amplifiers. LilyGO T-Beam-1W Specifications: Core module – Espressif Systems ESP32-S3-WROOM-1 SoC – ESP32-S3 CPU – Dual-core LX7 processor with up to 240MHz Memory – 512KB SRAM, 8MB PSRAM Storage – 384KB ROM Wireless – […]

December 29, 2025December 29, 2025 by Debashis Das - No Comments

LoRa, BLE, and GNSS tracker supports open-source software, solar charging, outdoor and indoor tracking

Designed by Ruictec in China, the TD04 is a LoRa-based low-power tracker that also features BLE and dual-band GNSS. It supports both indoor and outdoor positioning, and is suitable for fleet management, asset tracking, and geofencing over public or private LoRaWAN networks with minimal maintenance. The device combines GNSS (L1/L5) for outdoor positioning with BLE-based indoor tracking. It automatically switches between the two to optimize accuracy and power usage, delivering around 1–2 m accuracy outdoors and 2–4 m indoors. It is LoRaWAN 1.0.3-compliant, supports OTAA and ABP, and operates across multiple regional bands (EU868, US915, IN865, AS923, and others). Other features include a built-in motion sensor (G-sensor), configurable reporting and heartbeat intervals, iBeacon support, optional Bluetooth gateway mode, BLE-based configuration, OTA updates, and batch firmware upgrades. The device is powered by a 6000 mAh rechargeable battery and support 1.3 W solar panel input, enabling up to six months of standby […]