Author: mixos

A small and inexpensive USB-based curve tracer used for troubleshooting electronics in the style of the Huntron Tracker 2000. by Jason Jones: This documents a USB-based curve tracer based on the PIC24FV16KM202, which is a modest 16-bit microcontroller. The board uses a PC screen OR...

By Graham Prophet@ edn-europe.com: Coilcraft has written a Power Inductor Selection Tool that allows users to easily select the appropriate path for their particular search while also providing more application-specific performance data than previously available. Coilcraft.com -...

addictedToArduino @ instructables.com designed a Arduino based parking assistant. To appease my frustration I decided to design a device that would allow me to park in the exact spot every time. I love working with arduinos, leds, sensors, and nearly anything else electronic, so I...

MWAGNER @ hackmypi.com build a security camera based on Raspberry Pi: A family member asked me to put a camera in our garage recently, and immediately I decided to use a Pi Zero. Back when I was interviewing for my current job, I was dabbling with the idea of making a wireless,...

Ken Shirriff writes: The 74181 ALU (arithmetic/logic unit) chip powered many of the minicomputers of the 1970s: it provided fast 4-bit arithmetic and logic functions, and could be combined to handle larger words, making it a key part of many CPUs. Inside the vintage 74181 ALU chip -...

by Graham Prophet @ edn-europe.com: Rohde & Schwarz recently announced its RTB2000 entry-level oscilloscope, aimed at education, R&D and manufacturing. With an starting price of €1,250, the company says it provides performance previously only available in higher priced...

Measuring 2.5×2.0x1.0mm, the newly‐developed XCL102/XCL103 series of step‐up micro DC/DC converters is designed with built‐in inductors and control ICs. By Julien Happich @ edn-europe.com: The use of built‐in inductors also allows PCB layouts to be simplified, minimizing...

Bluehash over at 43oh.com writes: I found a tiny gem while browsing Github for MSP430 projects. This one is a GPS tracker based on a MSP430F5510 with a GPRS cellular connection for reporting and command input. The GPS is a FGPMMOPA6H from GlobalTop and the GPRS module is a SIM900...