USB Curve Tracer
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...
Continue ReadingCoilcraft.com – Power inductor selection tool adds performance data
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 -...
Continue ReadingAdd OLED Display To Your Projects With TeensyView
The Teensy is a complete USB-based microcontroller development system, in a very small footprint, capable of implementing many types of projects. All programming is done via the USB port. You can program for the Teensy in your favorite program editor using C or you can install the...
Continue ReadingSend & Receive Radio With A Single Chip
Fitting transmit and receive capabilities of radio signals into one device may be impossible without using a significant filter, which is needed to isolate sent and received signals from each other. The major obstacle to achieve that is the weakness of the received signal compared with...
Continue ReadingArduino Parking Assistant
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...
Continue ReadingRaspberry Pi Security System
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,...
Continue ReadingInside the vintage 74181 ALU chip
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 -...
Continue Reading10-bit resolution, 70-300 MHz, touchscreen scope priced from €1250
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...
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