Electrical engineering news, articles, occasional discounts, and more from Circuit Cellar
Sneak Peak
Circuit Cellar Issue #324 July 2017

Digital Guitar Amplifier/Effects Processor
The Teensy 3.2 MCU Module
By Brian Millier
In this series, Brian presents an innovative guitar amplifier/effects design, which features a Teensy 3.2 microcontroller module, an audio adapter module, a simple preamp/buffer, and a 20-W Class AB power amplifier. This month he introduces the Teensy 3.2 MCU module and the necessary software.

Declarative Finite State Machines
By Chris Cantrell
State machines are neatly defined in a declarative data structure-a picture in the code. Chris designed an example tic-tac-toe state machine for an 8 × 8 LED display and a back-lit pushbutton. He  implemented the state machine using two different programming languages on two very different platforms.
 
Scap Back
A Super Capacitor Power Backup for the Raspberry Pi
By Don McLane
When designing Raspberry Pi-based IoT systems, you must account for the possibility of power outages, which can destroy your device's entire file system. Don presents a super capacitor power backup that should calm your power failure paranoia.
 
Industry News & Recent Posts


06-05-2017 18:44:56 PM
MediaTek announced the world's first 4×4 802.11n and Bluetooth 5.0 system-on-chip featuring a dedicated Wi-Fi network accelerator. The MediaTek MT7622 was created for premium networking devices including routers and repeaters, whole home Wi-Fi, and home automation gateways that pre-integrates audio ... Continue reading →...»

06-05-2017 18:40:46 PM
Renesas Electronics announced its new R9J02G012 USB Power Delivery (USB PD) controller intended for use in a wide range of USB Power Delivery products employing direct current (DC) power including AC adapters, PCs, smartphones, other consumer and office equipment, and ... Continue reading →...»

06-05-2017 08:17:13 AM
During Computex 2017, Cypress Semiconductor announced availability of a new USB-C controller with Power Delivery (PD) that streamlines the design of power adapters, chargers, and power banks. The EZ-PD CCG3PA controller supports the PD 3.0 standard with programmable power supply ... Continue reading →...»

05-30-2017 10:26:35 AM
The embedded FPGA is not new, but only recently has it started becoming a mainstream solution for designing chips, SoCs, and MCUs. A key driver is today's high-mask costs of advanced ICs.  For a chip company designing in high nodes, ... Continue reading →...»
Current Issue

Circuit Cellar #323 June 2017

Q&A: Outside-the-Box Engineering | RPi-Based Monitor | JEADI ARM Pt. 3 | Automatic Control Pt. 2 | Hybrid Cooling 101 | Power Analysis Attacks | Vintage Programming Languages | LoRa Wireless Communication | The Future of Embedded FPGAs | And More


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