$50 Kendryte KD233 Board Features K210 Dual Core RISC-V SoC

Kendryte KD223 RISC-V Board

RISC-V is talked about a lot, and we’re started to see a few development boards coming to market, or at least being announced with some based on SiFive processors such as HiFive Unleashed or Arduino Cinque, as well as other like GAPUINO GAP8 for low power A.I. applications. The Arduino board is not for sale yet, and HiFive Unleashed and GAPUINO GAP8 are fairly expensive at $999 and $229. Kendryte KD233 board is another RISC-V development board, based on  Kendryte K210 dual core 64-bit RISC-V processor designed for machine vision and “machine hearing”. The board goes for $49.99 on AnalogLamb. Kendryte KD233 board specifications: SoC – Kendryte K210 dual core 64-bit RISC-V processor, KPU  Convolutional Neural Network (CNN) hardware accelerator, APU audio hardware accelerator, 6MiB of on-chip general-purpose SRAM memory and 2MiB of on-chip AI SRAM memory, AXI ROM to load user program from SPI flash Storage – 128 Mbit […]

Raspberry Pi TV HAT Adds a DVB-T2 Tuner to Raspberry Pi Boards

Raspberry Pi TV HAT Kit

The Raspberry Pi foundation has just launched another official HAT for their maker boards with the Raspberry Pi TV HAT based on Raspberry Pi Zero form factor, and is equipped a DVB-T2/T tuner in order to convert your board into a Linux based digital TV receiver and recorder. Raspberry Pi TV HAT specifications: Sony CXD2880 TV tuner Supported TV standards DVB-T2 (1.7MHz, 5MHz, 6MHz, 7MHz, 8MHz channel bandwidth DVB-T (5MHz, 6MHz, 7MHz, 8MHz channel bandwidth) Reception frequency: VHF III, UHF IV, UHF V RF coaxial input for antenna connection RPi Interface – 40-pin RPi header Dimensions – 65 x 30 mm (half-size HAT) Operating temperature – 0–50°C The Raspberry Pi TV HAT is also known as the Raspberry Pi DVB TV μHAT based on the markings on the board’s silkscreen. The add-on boards follows a new HAT specification called the “half-size HAT” matching Raspberry Pi Zero board’s dimensions. Instructions to use […]

La Frite Amlogic S805X Board Runs Mainline Linux, Goes for $5 and Up (Crowdfunding)

AML-S805X-AC Board

Libre Computer first started with their AML-S905X-CC (aka Le Potato) board powered by Amlogic S905X processor last year, and they’ve since then launched several other boards based on Allwinner or Rockchip processor. But their latest “La Frite” board – also known as AML-S805X-AC – is an even lower cost version of the “Le Potato” board, with an Amlogic S805X processor limited to 1080p60 output and video decoding, a smaller footprint based on the one for Raspberry Pi Model A+, and price starting at just $5 on Kickstarter. AML-S805X-AC “La Frite” board specifications: SoC – Amlogic S805X quad core ARM Cortex-A53 processor @ 1.2 GHz with penta core ARM Mali-450MP GPU @ 650 MHz, and Amlogic Video Engine 10 System Memory – 512 MB or 1GB DDR4 @ 2400 MHz Storage –   eMMC module connector, 128 Mb SPI NOR flash Video & Audio Output – HDMI 2.0 port Video Codecs Decoding […]

Pi Supply IoT LoRa Boards are made for Raspberry Pi & BBC Micro:bit Boards (Crowdfunding)

Pi Supply LoRa Gateway HAT

We’ve already covered plenty of LoRa boards or solutions designed for nodes or gateways such as TTGO T-Beam ESP32 + LoRa board, RAK Wireless RAK811 GPS Lora tracker board, MatchX Matchbox LoRa gateway, and many others,, but Pi Supply offers yet more options with LoRa node and gateway add-on boards designed to work with Raspberry Pi, Arduino, and BBC Micro:bit boards. Pi Supply LoRa Gateway HAT for Raspberry Pi The IoT LoRa Gateway HAT is based on RAK Wireless RAK833 mPCIe LoRa gateway concentrator module and connects to Raspberry Pi 3 B/B+ board via the 40-pin header. There are two hardware version using 868 MHz or 915 MHz frequencies, but as we’ve seen in previous reviews those are configurable for other frequencies such as AS923 or IN865. Pi Supply IoT LoRa Node pHAT for Raspberry Pi LoRa Node pHAT is designed for node specifically, and with a smaller form factor […]

NanoPi NEO4 is the Cheapest & Smallest RK3399 Board So Far

As you should be well aware the RK3399 SBC market is quite crowded these days, and FriendlyELEC had already released two Rockchip RK3399 boards with NanoPC-T4, and NanoPi M4 boards. But the company  has now announced another board – as expected – with NanoPi NEO4, the smallest and cheapest RK3399 board on the market at this point. NanoPi NEO4 board specifications: SoC – Rockchip RK3399 big.LITTLE hexa-core processor with  2x Arm Cortex-A72 @ up to 2.0GHz, 4x Cortex-A53 @ up to 1.5GHz, a Mali-T864 GPU with support OpenGL ES1.1/2.0/3.0/3.1, OpenVG1.1, OpenCL, DX11, and AFBC, and a VPU with 4K VP9 and 4K 10-bit H265/H264 decoding System Memory – 1GB DDR3-1866 Storage – eMMC module socket, micro SD card slot Video & Audio Output – HDMI 2.0a up to 4K @ 60 Hz with HDCP 1.4/2.2 support Camera – 1x 4-lane MIPI-CSI connector for camera up to 13MP Connectivity – Gigabit […]

wESP32 ESP32 Board Supports “Isolated” PoE (Crowdfunding)

ESP32 POE Programming Board

Olimex introduced their ESP32-POE board a few months ago, and started selling it for 17.50 Euros last month, but it’s always good to have more options and Silicongnition has designed another ESP32 board with power over Ethernet named wESP32. wESP32 board specifications: Wireless Module – Espressif Systems ESP32-WROOM-32 module with WiFi 802.11n (WiFi 4) and Bluetooth 4.2 LE connectivity Connectivity 10/100M Ethernet (RJ45) with auto-MDIX allowing the use of both straight and cross-over Ethernet cables Wi-Fi 802.11 b/g/n  and Bluetooth v4.2 BR/EDR (via ESP32 module ) Expansion – Unpopulated 20-pin header with 3.3 V, V+ power, and 15 of the ESP32 GPIOs Power Supply Default 12 V output setting for V+ provides 12.95+ W of power Optional (bridge solder jumper) 5 V output setting for V+ provides 5 W of power IEEE 802.3at Type 1 Class 0 compliant PoE 3.3 V output with up to 6 W of power (taken […]

Texas Instruments To Finally Launch a 64-bit Processor with AM654 SoC

Sitara AM652 Block Diagram

Texas Instruments has a wide portfolio of Arm-based processors targeting industrial control with their Sitara family. So all their models, including the latest Sitara AM57x family, were based on 32-bit Arm cores. But a somewhat recent Linux mainline kernel commit reveals the company has been working on a 64-bit Arm processor family, namely AM65x family, and one the first processor will be TI AM654 “Keystone III” quad-core Arm Cortex-A53 + dual lockstep Cortex-R5F processor. The AM654 SoC is said to be a lead device of the K3 multicore SoC architecture targeting both the broad market and industrial control. Some of the key features and specifications include: CPU – Quad ARMv8 A53 cores split over two clusters GPU – PowerVR SGX544 GICv3 compliant GIC500 Configurable L3 Cache and IO-coherent architecture Dual lock-step capable R5F uC for safety-critical applications High data throughput capable distributed DMA architecture under NAVSS 3x Gigabit Industrial Communication […]

BLE Micro is a Tiny, Coin-Cell Powered Bluetooth 4.0 Development Board

BLE Micro

DFRobot Bluno is a Bluetooth 4.0 LE development board following Arduino UNO form factor, and powered by TI CC2540 chipset. The board sells for $24.90 on their online store, and the company provides firmware and mobile app source code, but if you ever wanted a similar solution in a much smaller form factor, and powered by a coin cell battery, the company has now launched BLE Micro board. BLE Micro board specifications: Bluetooth Chip – Texas Instruments CC2540 8051 MCU with USB, Bluetooth 4.0 LE connectivity Wireless Connectivity Frequency: 2.4GHz Transfer rate:  ≤1Mbps Modulation: GFSK, Bluetooth low power, V4.0 Sensitivity: -93dB Transmission distance – 30m in free space USB – 1x micro USB port Expansion – 21 through holes with reset, power signals, UART, and GPIOs. Input Voltage: +3.3 DC Power Consumption – Working: 10.6mA average, ready mode:8.7mA Temperature Range – -10 ℃ ~ +65 ℃ Dimensions – 49mm x […]