Embedded.com Tech Focus Newsletter (8-4-14): Taking advantage of SPI in wireless sensor/IoT designs - Embedded.com

Embedded.com Tech Focus Newsletter (8-4-14): Taking advantage of SPI in wireless sensor/IoT designs

August 04, 2014

Taking advantage of SPI in embedded wireless sensor/IoT designs

The long-lived Serial Peripheral Interface (SPI) bus, which came into existence in the 1970s, is getting increased attention in resource-constrained wireless sensor and machine to machine networks of IoT devices.

Assessing 8-bit MCU communication interfaces for the Internet of Things

In this Product How-To article Tom David of Silicon Labs assesses the small footprint communications protocols such as SPI and I2C in 8-bit Internet of Things designs.

Isolating SPI in high bandwidth sensor applications

Mark Cantrell and Bikiran Goswami look at the Serial Peripheral Interface Bus (SPI), its constraints, and how to deal with those constraints in isolated systems using the company’s ADuM3150 in high bandwidth sensor applications.

Implementing SPI on an OMAP-based board design

Dmitry Pervushin describes how to add to the functionality of an OMAP-based PandaBoard by connecting a real-time clock chip to the design via a serial peripheral interface (SPI) created using the board’s expansion connector.

Nano-Power Wireless Wake-Up Receiver With a Serial Peripheral Interface

An ultra low power Wake Up Receiver (WUR) intended for use in Wireless Body Area Networks (WBAN) that makes use of a serial peripheral interface for reduced power in combination with Gaussian On- Off Keying (GOOK) and Pulse Width Modulation (PWM) to modulate and encode signals.

Design of a Wireless Sensor Network node based on STM32

Design of a wireless sensor node based on STM32F103RE MCU and TI's CC2430 radiofrequency chip using a serial peripheral interface (SPI) bus as the communication and control between the microcontroller and the CC2430.

Wireless Sensor Network for Indoor Air Quality Monitoring

Design of an STM32 based indoor wireless sensor network for indoor air quality monitoring in which an SPI bus is used in the sensor modules as the main mechanism for transmitting readings back to the main processor and then to a server.

Wireless Tire Pressure Monitoring System for Vehicles using SPI

The design of a vehicular tire pressure monitoring system using wireless sensors, and how the use of the Serial Peripheral Interface (SPI) can improve TPMS functionality.

Ethernet Enabled Digital I/O Control in Embedded Systems

A simple and economical way to provide Ethernet connectivity to microcontroller based embedded systems using the serial peripheral interface bus.

A SPIFI New Idea

Execute from serial flash? Yes we can.

SPI software coding

The serial peripheral interface requires three wires for data transfer plus a device-select signal. Designers can implement peripheral communications using processor-based hardware or the software routines that this article presents.

1-Wire network controls remote SPI peripherals

This circuit controls a remote LED display by the 1-wire network through an SPI-compatible display controller.



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