Elektor Article: USB-SPDIF Interface
USB

Elektor Article: USB-SPDIF Interface

The circuit described here is a SPDIF output with a USB interface. It allows connecting Personal Computers, Tablets or Smartphones to Audio equipment including AV receivers, high-end stereo amplifiers or stand-alone audio DACs. It has a infrared remote control receiver that allows...

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Electrolama announces 802.15.4/Zigbee USB Dongle and Raspberry Pi “HAT”
Raspberry Pi

Electrolama announces 802.15.4/Zigbee USB Dongle and Raspberry Pi “HAT”

Electrolama has been developing two open-source hardware 802.15.4/Zigbee projects namely “zig-a-zig-ah” (aka “zzh”) USB stick, based on Texas Instruments CC2652R SimpleLink multi-standard wireless MCU, and Zoe (Zigbee + Poe) development board based on Raspberry Pi HAT form...

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LUNA – a USB-hacking multitool
USB

LUNA – a USB-hacking multitool

A USB multitool for monitoring, hacking, and developing USB devices (work in progress) This is an early work-in-progress version of a USB multitool. LUNA isn't yet suited for end-users; but hardware development has reached a point where current-revision boards (r0.2+) make good...

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ITEAD Launches a $4 Zigbee CC2531 packet sniffer For USB devices
IoTTop Stories

ITEAD Launches a $4 Zigbee CC2531 packet sniffer For USB devices

Itead.cc, the Chinese company known for the array of electronics products like the SONOFF smart switch and other makers related hardware, has released a USB Zigbee CC2531 Dongle. The dongle can be used in connection with a PC or single-board computer to build your customized home...

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STMicroelectronics Introduces Standalone VBUS-Powered Controller for 5V USB-C Charging Applications
USB

STMicroelectronics Introduces Standalone VBUS-Powered Controller for 5V USB-C Charging Applications

The STUSB4500L from STMicroelectronics is a small-footprint addition to the Company’s USB-C controller IC family designed and certified for pure 5 V sink-only applications. All mandatory features to use the USB-C connector as a 5 V universal power plug are integrated, allowing...

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Self-Calibrating USB Voltage/Current Meter
USB

Self-Calibrating USB Voltage/Current Meter

With a code size of 1KB on an ATtiny13A MCU, this tiny module measures voltages up to 22 volts and current up to 5 amps. This project is published by Tirdad Sadri Nejad. He writes: There are a lot of so-called "USB doctor" modules which are used for monitoring currents flowing through...

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SparkFun’s USB Type-C 5-20V 5A Power Delivery Board Features Qwiic Connector
USB

SparkFun’s USB Type-C 5-20V 5A Power Delivery Board Features Qwiic Connector

USB Type-C introduced significant changes to the USB standard. The reversible connector eliminated the issue of trying to plug the connector in the right way every time. Another issue it addressed was allowing the flexibility to have USB power with an adjustable USB voltage from...

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Mini USB-C PD sink board enables Power regulation for any device
USB

Mini USB-C PD sink board enables Power regulation for any device

The USB-C PD-Sink is a board by Pier 42 that enables any device to be powered from a USB supply. It allows the option to set the voltage at 5V, 9V, 12V, 15V or 20V and allowing current as high as 5A. The current settings are very flexible in steps of 250mA from 0 to 5A, but this...

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