LimitFrog is a tiny board powered by STMicro STM32-L4 microcontroller with Bluetooth 4.1 connectivity, plenty of sensors, and that can run code bare metal as well as RiOT real-time operating system. LimiFrog specifications: MCU – STMicro STM32-L4 ARM Cortex M4 micro-controller @ 80 MHz with DSP, 512KB flash, 128KB RAM External storage – 8MB serial flash for data that supports FAT32 file system Display – 160×128 RGB565 OLED display Connectivity – Bluetooth 4.1 (Panasonic PAN1740) Sensors (Follow this link for datasheets of most components) Pressure, altitude & temperature (LPS25H) 3-axis accelerometer, 3-axis gyroscope (LSM6DS3) 3-axis magnetometer (LIS3MDL) Ambient light, proximity and distance (VL6180X) Ambient sound (SPU0414H5H) USB – micro USB port for power and programming Expansions – 11-pin (through holes) providing access to SPI, I2C, CAN, PWM, GPIOs, ADC, DAC, Analog out, and power signals (3V out GND) Battery – 500 mAh (hours to weeks of battery life depending on […]
WiPy Wi-Fi Board for IoT Runs MicroPython on Texas Instruments CC3200 (Crowdfunding)
If you’ve interested in connecting devices via Wi-Fi, you’re being spoiled as “Internet of things” boards keeps getting designed and produced. The latest board with WiPy, a small board powered by Texas Instruments CC3200, running MicroPython, and consuming less than 1mA in suspended mode with Wi-Fi connected. WiPy specifications: MCU – TI CC3200 ARM Cortex-M4 @ 80 MHz with 256KB RAM, Wi-Fi and TCP/IP stack Storage – 2MB flash Connectivity – WiFi 802.11b/g/n 16Mbps (AP, Station and WiFi-Direct), on-board antenna and u.FL connector Expansion – 2x 14-pin headers (2.54mm pitch) with Up to 25 GPIOs 2x UART, SPI, I2C, I2S, and SD card 3×12 bit ADCs Others 4×16 bit timers with PWM and input capture RTC Hash and encryption engines: SHA, MD5, DES, AES Reset switch, heartbeat LED Power Supply – 3.6 – 5.5V DC input; 3.3V output up to 250mA Power Consumption – Active: 14 mA; Suspended (Wi-Fi connected): […]