Tag: USB
Data-rich 3.5mm jack vies with USB-C for headsets
Horst Gether @ edn.com writes about how the simple and well established 3.5mm jack can be used for data-rich communication between headset and mobile device. The 3.5mm phone jack is a well-established standard in the audio industry and continues to get strong support from users in...
Continue ReadingReference design – USB Type-C charger delivers 18W
Graham Prophet @ eedesignnewseurope.com discuss about a 18W USB power supply reference design. This joint reference design describes an 18W, USB PD compliant, AC-DC power converter. The design, titled DER-567, pairs the WT6630P USB Type-C PD controller from Weltrend with Power...
Continue ReadingMPPT solar charger
Lukas Fässler from Soldernerd has been working on revised version of his MPPT Solar charger project: Over the last few weeks I have been quite busy with my MPPT Solar Charger project. I’ve built up a first board and started writing firmware for it. Since the last version was not...
Continue ReadingMicro Maestro 6-Channel USB Servo Controller
The Micro Maestro is the first of Pololu’s second-generation USB servo controllers. The board supports three control methods — USB for direct connection to a PC, TTL serial for use with embedded systems, and internal scripting for self-contained, host controller-free applications —...
Continue ReadingUsing HealthyPi with a PC for ECG,Respiration & SpO2
Ashwin K Whitchurch, Venkatesh Bhat, and Manikandan S @ hackster.io build a PC based ECG,Respiration & SpO2 monitor. We introduced the HealthyPi as a HAT add-on for the Raspberry Pi, turning it into a full-featured, medical-grade open patient monitor. However, we realized later...
Continue ReadingAnalog Discovery USB isolation
Bob tipped us with his latest article. He writes: Back when I was developing the PSU burner, I wanted to have the Analog Discovery isolated from the common ground, to avoid noise and other issues. Since I did not have a way to do this, I ended up using a laptop on battery for...
Continue ReadingFONA808 USB Interface
Jesus @ jechavarria.com tipped us with his latest project. He writes: For several months I’m working with FONA808 modules from Adafruit to make a portable, web-based locating system. This modules are based on the SIM808 module from SIMCOM manufacturer, and integrates both GSM and...
Continue ReadingUSB Volume Control and Caps Lock LED
p_leriche @ instructables.com build a USB volume control which is simple, cheap and extensible. Check it out: I'm not the first person to publish an Instructable for a USB volume control, but I think this one is about as simple and cheap as it gets, and at the same time can be...
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