Here’s yet again another low cost Wi-Fi board for the internet of things with Hi-Link HLK-M30 StartKit featuring an HLK-M30 Wi-Fi module powered by Mediatek MT7681 SoC, exposing 5 GPIOs, and a serial RS-232 DB9 interface. AFAICR, it’s the second MT7681 board featured on CNX Software after xWiFi. Key feature of HLK-M30 Wi-Fi module and Starter Kit: SoC – Mediatek MT7681 WiSoC Wi-Fi Standards – 802.11b/g/n Wi-Fi encryption: WEP/WPA-TKIP/WPA-AES/WPA2-TKIP/WPA2-AES STA/AP mode Protocols supported by MT7681 – TCP Server/Client, UDP Server/Client, DHCP, DNS, HTTP Internal and external antennas Serial – DB9 connector for RS-232 Expansions 2.54mm through holes for 3.3V/GND, Tx/Rx, and GPIO 1 0 to 4. 4-pin SPI interface to flash firmware to IC (not usable by end users) Misc – Test LEDs Power – 5V power barrel Dimensions – 14.1 x 16.5 x 2.25 mm (Module size). PCB size: Unknown. Documentation including User’s manual and AT command sets, windows […]
Zero+ IoT Wi-Fi Board is Programmable with Lisp (Crowdfunding)
There have been so many low cost Wi-Fi modules and boards with GPIO headers announced this year, especially on crowdfunding sites, and from the hardware point of view, Zero+ (Zero Plus) board looks very much like many other Ralink RT5350 boards such as Vocore or AsiaRF AWM002, but what makes it different is that it can be programmed with Lisp from a web-based IDE. But let’s go through Zero+ board specifications first: SoC – Ralink/Mediatek RT5350 MIPS processor @ 360MHz with dual band 802.11n Wi-Fi with data Rate up to 150Mbps System Memory – 32 MB RAM Storage – 8MB to 16 MB SPI Flash (for firmware) Expansions Headers – 2x headers with access to I2C, SPI, USB, 2x UART, JTAG, and 14x GPIOs USB – 1x USB host port, 1x micro USB for power Misc – 2x buttons Dimensions – 36 x 25mm (possibly module dimensions only, not full board). I’m […]
Mackerel Wi-Fi IoT Board Connects to goHACK.me Cloud Services
ACKme Networks, a start-up specializing in embedded wireless solution, launched Mackerel evaluation board based on their AMW004 Wi-Fi networking module. The module is intend to interface to objects in standalone mode (SOLO), or controlled by a micro-controller (SLAVE), and features WiConnect software to interface with goHACK.me cloud services powered by sensors.com “OEM cloud solution”. Mackerel (AMW004-E03) board specifications: AWM004 (Wallaby) Wi-Fi module: MCU – ARM Cortex M4 @ 120MHz with integrated 1MB flash and 128kB RAM, onboard 8Mbit (1MByte) SPI-serial flash Networking Standards – IEEE 802.11 b/g/n/d/e/h/i/j 802.11 data rates – 802.11b: 1, 2, 5.5, 11 Mbps; 802.11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps; 802.11n: MCS0 – MCS7 Wi-Fi Security – Open, WEP-40, WEP-104, WPA, WPA2-PSK, WPA/WPA2-mixed Network Protocols – ARP, ICMP, DHCP client/server, DNS, NTP, SMTP, UDP, TCP, HTTP client/webserver, Sensors.com Network Security – SSL3.0/TLS1.1, HTTPS I/Os – UART (up to 4Mbit/s), SPI (up to 10Mbit/s), […]
Atmel Introduces SAMA5D4 Embedded MPUs With 720p Video Decoder And TrustZone Support
Atmel has expanded its SAMA5 Cortex A5 embedded processor family with SAMA5D4 series adding an optional video processing unit capable of decoding H264, VP8 and MPEG4 at 720p / 30fps, as well as support for ARM NEON and TrustZone technology. There are also some other changes with regards to connectivity: no Gigabit Ethernet, more UART interfaces, less SPI interfaces, etc… Key features listed of Atmel SAMA5D4 series:: ARM Cortex-A5 core up to 528MHz (840DMIPS) with NEON & TrustZone support, 2x 32KB L1 cache, and 128KB L2 cache. Optional 720p hardware video decoder supporting H264/263, VP8, JPEG, and MPEG4. Graphic LCD TFT controller with overlays for image composition, resistive touchscreen controller. CMOS image sensor interface. Three high-speed USB ports (configurable as three hosts or two hosts and one device port). Dual EMAC 10/100 with IEEE1588 support (Precision Time Protocol). Other I/Os – 8x UART, 8x SPI, 4x TWI, 2 HS SDIO/SD/MMC, […]
HydraBus is an Open Source Hardware STM32 Devkit with Support for NFC via HydraNFC Shield
Recently, I wrote about the public availability of a MicroPython board based on STMicro STM32F4 Cortex M4 support that can easily be programmed with Python. It turns out there’s another STM32 board called HydraBus, also supporting Micro Python firmware, or another embedded firmware based on ChibiOS, together with an optional HydraNFC shield capable of sniffing, reading/writing or emulating any 13.56MHz NFC tags. HydraBus Specifications: MCU – STMicro TM32F405RG micro-controller @ 168 MHz with 1MB flash, 192KB SRAM, and an FPU. External Storage – Micro SD card slot up to 48MHz (~24MB/s) Expansion Headers – 4 headers with access to 44 I/Os (some already used by micro SD and USB 1 & 2). USB – 2x micro USB connector including 1x OTG port, and 1x device/host port, both with ESD protection. Misc – Reset and user button, user LED, Power – 5V via micro USB port. Dimensions – 60mm x […]
Getting Started with LinkIt ONE Development Kit for Wearables & IoT
After going through WRTnode Quick Start Guide, it’s now time to play with LinkIt ONE, the IoT development board from Mediatek designed by Seeed Studio. LinkIt ONE is the first Hardware Development Kit (HDK) for Mediatek LinkIt, so there may be a LinkIt TWO, and/or other hardware platforms in the future. LinkIt ONE specifications Let’s quickly go through the specifications first: Processor – Mediatek MT2502A (Aster) ARM7 EJ-STM processor @ 260 MHz System Memory – 4 MB Storage – 16MB Flash for firmware + micro SD slot shared with SIM slot for up to 32GB additional storage Connectivity: Wi-Fi – 802.11 b/g/n (MT5931) with external antenna Bluetooth – BR/EDR/BLE(Dual Mode) GPS – Mediatek MT3332 with external antenna GSM/GPRS – 850/900/1800/1900 MHz band, Class 12 GPS with external antenna Audio – 3.5mm headphone jack (including mic support) – Support for MP3, AAC, and AMR codecs. Serial – Software Serial (Serial), and […]
Infineon XMC 2Go Cortex M0 Development Kit Sells for 5 Euros
Infineon brought another tiny, portable, and cheap ARM Cortex M0 board to market with XMC 2Go development kit featuring XMC1100 ARM Cortex M0 micro-controller with 16KB RAM, 64KB Flash, and tow breadboard friendly headers to access various serial interfaces and ADC pins. Key features listed on Infineon website: MCU – Infineon XMC1100 ARM Cortex-M0 MCU @ 32 MHz with 64KB flash, 16KB RAM. Debugger – On-board J-Link Lite Debugger using an XMC4200 Microcontroller. Headers – 2×8 pin headers suitable for Breadbord with access to 2x USIC (Universal Serial Interface Channel: UART, SPI, I2C, I2S, LIN), 6x 12-bit ADC, external interrupts (via ERU), 4x 16-bit timers Misc – 2 x user LED, RTC Power – 5V Micro via USB, or 3.3V external power. ESD and reverse current protection Dimensions – 14.0 x 38.5 mm The board is programmed via USB using the same Dave IDE I tried with XMC4500 Relax […]
Intrinsyc OPEN-Q 8084 Development Kit Powered by Qualcomm Snapdragon 805 Processor
Inforce Computing IFC6540 was the first low cost development board powered by Qualcomm Snapdragon 805 processor I discovered a few months ago, but is currently “for pre-approved customers only and have not yet been released to public”. Intrinsyc has now launched their own Snapdragon 805 development kit called OPEN-Q 8084 based on a mini-ITX carrier board, and a SoM with 3GB RAM, and 16GB eMMC. The board target applications include ruggedized tablets, digital signage, government/public safety, medical, robotics, wearable displays, video streaming/conferencing, gaming systems, and in-flight entertainment. Specifications of APQ8084 Open-Q System-on-Module: SoC – Qualcomm Snapdragon 805 (APQ8084) quad core Krait 450 @ 2.5GHz, with Adreno 420 GPU @ 500MHz, Hexagon QDSP6 V5A (600MHz), and two ISPs for up to 55-megapixel stereoscopic 3D System Memory – 3GB PoP LPDDR3 RAM Storage – 16GB eMMC 5.0 flash, expandable to 64GB, micro SD signals, and SATA signals (via MXM connector) Connectivity – […]