Category: STMicro STM32

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on Coocox Embedded Pi is an STM32-Based MCU Board That Connects to Arduino Shields and Raspberry Pi

Coocox Embedded Pi is an STM32-Based MCU Board That Connects to Arduino Shields and Raspberry Pi

Embedded Pi is a platform capable of interfacing the Raspberry Pi with 3.3V and/or 5V Arduino shields, based on an 32-bit ARM Cortex M3 STMicro STM32 MCU. It can also be used in standalone mode as an Arduino compatible ARM MCU evaluation board. Embedded Pi Hardware Specifications: MCU – STMicro STM32F103RBT6 Cortex M3 @ 72MHz with 20KB SRAM and 128KB flash. Raspberry Pi Connector with I2C, SPI, UART, PWM and GPIOs Arduino Interfaces – 1x SPI, 1x I2C, 4x PWM, 1x UART, 6x Analog Input Extended Interfaces – 1x SPI, 1x I2C, 1x UART with flow control, 2 pairs PWM, 6x Analog Input, and 1x CAN 3 Power Sources – Micro USB port, external DC adapter, and 5V from the Raspberry Pi Depending on the jumper placement on the Embedded Pi, you can select each of the three modes of operation: STM32/Standalone Mode – The Embedded Pi works as an […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on Thingsquare Mist – Open Source Firmware for The Internet of Things

Thingsquare Mist – Open Source Firmware for The Internet of Things

Thingsquare recently released the source code for the Thingsquare Mist firmware, an ultra lightweight router software (<4 kB memory) for the Internet of Things based on open Internet standards such as IPv6, RPL (Routing Protocol for Lossy networks), and 6lowpan. Thingsquare Mist allows to connect battery-powered wireless micro-controllers to the Internet, and is currently used in applications such as smart light bulbs, connected home appliances, and connected cities. The IPv6 mesh network is composted of nodes with a low power radio that communicate with the Mist router (Green), which in turn connect to the Internet and Thingsquare Cloud backend (Thingsquare Haven) to store the data, and/or receive control commands via Ethernet or Wi-Fi. The end users can then use an App to monitor, and/or control the devices remotely. Thingsquare Mist uses IETF RPL IPv6 mesh routing protocol (pronounced “ripple”) for IPv6 nodes communications. Thingsquare Mist runs on several low-power wireless […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on Crazyflie Nano Quadcopter Open Source Development Kit

Crazyflie Nano Quadcopter Open Source Development Kit

If you can’t wait until 2014 to get the MeCam, Seeedstudio has something for you: The Crazyflie Nano Quadcopter, which looks similar to the MeCam, but does not feature a camera, its control board is powered by STM32F103CB MCU @ 72 MHz with 128kb flash and 20kb RAM (so, no it won’t run Linux), and at $173 the price is significantly higher. Here are Crazyflie key features: Small and lightweight, around 19g and about 90mm motor to motor Flight time up to 7 minutes with standard 170mAh Li-Po battery Standard micro-USB connector for charging which takes ~20min for the stock 170mAh Li-Po battery On-board low-energy radio@1mW based on the nRF24L01+ chip. Up to 80m range (environment dependent) when using the Crazyradio 2.4 GHz USB dongle Radio bootloader which enabled wireless update of the firmware 32 bit Cortex M3 MCU: STM32F103CB @ 72 MHz (128kb flash, 20kb RAM) 3-axis high-performance MEMs […]