Up2stream Mini & Pro v3 Audio Boards Add Bluetooth 5.0, USB Sound Card Mode and More

Up2stream Pro v3 smart audio board

Rakoit launched Up2stream WiFi audio board in 2018, followed by Up2stream Pro board in 2019 with additional Bluetooth, Ethernet, and USB interfaces. Those boards are designed to bring network connectivity to speakers for audio streaming. The company has now launched updates with the launch of Up2stream Mini v3 and Up2stream Pro v3 connected audio boards. Both Up2Stream Mini v3 and Pro v3 have gotten similar updates with the ability to use the board as a micro USB sound card so you can directly plug it into a PC to make it work as a USB DAC. The boards also added SPDIF out, an ADC KEY input for external buttons, two I/O for extensions such as volume knobs. Up2stream Mini v3 now includes both WiFi and Bluetooth 5.0 connectivity. Shared key features and specifications of the boards are as follows:  Audio Output – 3.5mm audio jack and header (shared), I2S & […]

nRF52805 Tiny Bluetooth 5.2 SoC is Optimized for Small Two-layer PCB Designs

nRF52805 Block Diagram

Nordic Semi has just added a new member to its nRF52 Bluetooth 5 wireless SoC family with nRF52805 offered in a tiny WLCSP package measuring 2.48×2.46 mm and optimized for cost-effective 2-layer PCB designs. nRF52805 key features and specifications: MCU Core – Arm Cortex-M4 @ 64 MHz Storage & Memory – 192 KB Flash, 24 KB RAM Wireless Bluetooth Low Energy and 2.4 GHz proprietary protocols. High bitrate – 2 Mbps, 1 Mbps +4 dBm TX power -97 dBm RX sensitivity (1 Mbps Bluetooth LE) Integrated balun with single-ended output I/Os – UART, SPI, TWI, 2-channel 12-bit ADC Security 128-bit AES Power Consumption 7 mA in TX (4 dBm) 4.6 mA in TX (0 dBm) 4.6 mA in RX (1 Mbps) 0.3 μA in System OFF 1.1 μA in System ON with 24 KB RAM retained and RTC running Supply Voltage – 3.6V max Package – 2.48×2.46 mm WLCSP Note […]

Particle Takes Pre-orders for its Cellular Tracking SoM, Evaluation Kit, and Tracker One Asset Tracker

Tracker Som Evaluation Kit

Earlier this year, Particle announced its Tracking System turnkey solution comprised of Tracker SoM LTE IoT module, Tracker One asset tracker with enclosure, as well as Particle Tracking Services software suite with geolocation services, fleet management, and an open device firmware application framework to integrate with off-the-shelf IoT sensors and enable OTA firmware updates. The hardware devices were expected for June/July 2020, and the company has now started to take pre-orders for Tracker SoM, its evaluation kit, and Tracker One for respectively $79.99, $99.99, and $127.99. Shipping is expected to start in August 2020. We already covered Tracker SoM in our initial article with the full specifications, but basically, it’s a Nordic Semiconductor nRF52840 powered module with 8MB flash, ESP32 for WiFI (including support for indoor location),  U-blox Neo-M8U GNSS module, and a choice of Quectel BG96 LTE CAT M1 module for the US or Quectel EG91-X CAT 1 module […]

TTGO T-Internet-POE Board Provides Ethernet, PoE, WiFi, Bluetooth for $16

TTGO T-Internet-POE

We’ve written about several ESP32 POE boards in the past including wESP32, but there’s now another one with LilyGO TTGO T-Internet-POE board offering Fast Ethernet, PoE,  as well as WiFI and Bluetooth connectivity through ESP32-WROVER-B module. TTGO T-Internet-POE specifications: Wireless Module – ESP32-WROVER-B with ESP32 dual-core WiSoC, 4MB flash, 8MB PSRAM Storage – MicroSD card socket Connectivity 2.4 GHz 802.11b/g/n WiFi 4 and Bluetooth 5.1 via ESP32 10/100M Ethernet via LAN8720A Ethernet PHY Expansion – Unpopulated I/O header with UART, SPI, I2C, PWM, I2S, ADC; 3.3V I/O voltage Debugging / Programming Serial port via USB-C port and CP2104 USB to TTL chip (TBC) 6-pin programming interface with Tx/Rx, IO0, Reset, 3.3V and GND Misc – BOOT and reset buttons, 32.768MHz crystal oscillator Power Supply 5V via USB-C port up 50V PoE via Pulse PA2369NL transformer and HanRun HR861153C PoE compliant RJ45 jack SI3404 power management chip Dimensions – 70 x […]

M5Stack Atom Echo Coin-Sized Bluetooth Speaker is Powered by ESP32-PICO-D4 SiP

Coin-Sized Bluetooth Speaker

M5Stack has just launched Atom Echo, a coin-sized programmable Bluetooth speaker based on Espressif Systems ESP32-PICO-D4 system-on-package. The company sent me an early sample to play with before launch… but let’s have a look at the specification before checking the device further. Specifications: SiP – Espressif Systems ESP32-PICO-D4 system-in-package with ESP32 dual-core processor @ 240MHz Wi-Fi, BLE 4.0 and 4MB flash Audio 0.5W/NS4168 I2S speaker SPM1423 PDM microphone Expansion 5-pin + 4-pin headers with 6x GPIOs, UART, 5V, 3.3V, GND 4-pin digital Grove header with 2 I/Os, 5V and GND Misc – RGB LED (SK6812), Function (Top – G39 pin) and reset buttons (side), IR LED Power Supply – 5V/500mA via USB-C port Dimensions – 24 x 24 x 17mm (plastic material) Weight – 10 grams The Bluetooth speaker is really small, but you may think CNXSoft has big hands and fat fingers so it makes the speaker smaller than […]

Fingernail-sized BLYST840 nRF52840 Module Features Bluetooth 5.2, Thread, Zigbee and 46 I/O (Crowdfunding)

BLYST840

Canada based I-SYST inc has designed a tiny nRF52840 module about the size of a fingernail. BLYST840 module fully leverages the capability of Nordic Semi’s wireless microcontroller with Bluetooth 5.2, Thread, and Zigbee connectivity, and exposes 46 I/Os. BLYST840 specifications: Wireless MCU – Nordic Semiconductor nRF52840 Arm Cortex-M4F microcontroller @ 64 MHz with 1 MB flash, 256 KB RAM Connectivity Bluetooth 5.2 up to 2 Mbps, -96 dBm sensitivity for long-range; Up to 111 dB link budget; Bluetooth Mesh IEEE 802.15.4 radio support for Thread & Zigbee NFC-A Built-in ceramic antenna Output power – Adjustable from +8 dBm to -20 dBm 46 I/O pins exposed via pads around the edges of the module including QSPI/SPI/2-wire/I2S/PDM/QDEC Programmable Peripheral Interface (PPI) SPI interface @ 32 MHz Quad SPI interface @ 32 MHz EasyDMA for all digital interfaces USB 2.0 (12 Mbits) 12-bit/200K SPS ADC Security Arm TrustZone Cryptocell 310 128-bit AES/ECB/CCM/AAR co-processor […]

Linux Powered Industrial IoT Gateway Offers WiFi 6, Bluetooth 5.1, 4G LTE Connectivity

Linux Industrial IoT Gateway

Compulab IOT-GATE-IMX8 is a Debian Linux powered fanless Industrial IoT gateway powered by NXP i.MX 8M Mini processor and specially designed for industrial control and monitoring with optional support for WiFI 6 (802.11ax), Bluetooth 5.1, 4G LTE, and GNSS connectivity. The gateway is equipped with up to 4GB RAM and 128GB eMMC flash, takes variable DC input from 8V to 36V, and operates in a wide temperature range of -40C to 80°C with the company providing a 5-year warranty and 15-year availability. Compulab IOT-GATE-IMX8 specifications: SoC – NXP i.MX8M Mini quad-core Arm Cortex-A53 processor @ 1.8GHz with Arm Cortex-M4 real-time core, Vivante 3G and 2D GPU System Memory – 1GB – 4GB LPDDR4 Storage – 4GB – 64GB eMMC flash (soldered on-board), plus secondary storage with optional 16GB – 64GB eMMC flash module Networking & Wireless Connectivity Gigabit Ethernet port, RJ45 connector Fast Ethernet port, RJ45 connector Optional 802.11ax WiFi […]

Ameba RTL8722DM Cortex-M33/M23 IoT Development Board Now Available for $23.90

Ameba RTL8722DM IoT Development Board

Earlier this year, we noticed some RealTek RTK8720DN dual-band WiFi and Bluetooth 5.0 IoT modules, and quickly mentioned Ameba RTL8722DM development board available for under $50. If you found the price of the board a bit expensive for what it had to offer, the good news is that Ameba RTL8722DM Cortex-M33/M23 IoT development board is now selling for $23.90 on Seeed Studio or Good Display. Ameba RTL8722DM specifications: MCU ARMv8M Real-M300 Cortex-M33 compatible MCU @ 200MHz ARMv8M Real-M200 Cortex-M23 compatible MCU @ 20MHz Memory – 4.5MB embedded SRAM in SoC Storage – 2MB external flash Connectivity Dual-band 802.11 a/b/g/n 1×1 WiFi 4 (20/40MHz) Bluetooth 5 SIG Mesh networking Supports both central and peripheral modes Display – 8-bit LCD  up to 645×645 resolution @ 30FPS or 6-bit LCD up to 527×527 resolution @ 60 FPS Audio Codec – ADC, DAC, I2S Security – Hardware cryptographic engine, Arm Trust-Zone, Secure boot, Wi-Fi […]

EDATEC Raspberry Pi 5 fanless case