KaraOkay Microphone Amplifier
Here is an all-analog, all-through-hole, cheap & cheerful preamplifier for that perennial problem of getting the microphone amplification just right, which is a challenge not only with the faithful reproduction of lead vocals during concerts and recordings, but also with campfire...
Continue ReadingMore awesome DoorBell control
Felix of LowPowerLab posted an update on his DoorBell Mote project: My first DoorBell Mote prototype was working nicely and it allowed monitoring the door bell (while also triggering it remotely – toddlers love it). But I wanted more. On weekends the family likes to get a well...
Continue ReadingEnergy Wristband monitors energy usage on home
by Matt Venn: A wristband that tells you energy changes in your home. It connects via a Raspberry Pi computer to a base station like a 'current cost' or similar. When a change in energy usage occurs, the wristband vibrates and a small LED bargraph shows your current usage from 1 to...
Continue ReadingUsing Python with Arduino
by toptechboy.com: This series of lessons will teach you how to take your Arduino projects to the next level by having the Arduino interact with the Python programming language. Python is a free program you can download. Since you have already learned the fundamentals of programming...
Continue Reading2 New Families from Microchip
by elektormagazine.com: Microchip has introduced two new 8-bit MCU families with integrated Core Independent Peripherals (CIPs). You may be thinking that 8-bit processors are unlikely to cut the mustard for many of today’s applications but built-in interconnected CIPs combine to...
Continue ReadingEngine and Steering Wheel Automotive Networking Protocol
An automobile plays an important role in a community. Aside from being a major option for transport, automobile also saves life, which is designed to give support in medications and hospitalizations. These machines are now embedded with electronic technology in which this advancement...
Continue ReadingBuck converter is pin-programmable
by Susan Nordyk @ edn.com: Housed in a tiny 3×3-mm QFN package, the MIC24046-H synchronous step-down regulator from Micrel offers efficiency of greater than 90% peak and pin-selectable output voltage, switching frequency, and current limit. A wide input voltage range of 4.5 V to 19...
Continue Reading2A, 70V SEPIC/Boost DC/DC converter with 7µA Iq
by Graham Prophet @ edn-europe.com: LT8494 is a current mode, fixed frequency SEPIC/boost DC/DC converter with an internal 2A, 70V switch. Quiescent current of 7µA suits the device for always-on automotive or other industrial battery powered systems. The LT8494 starts up from an...
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