Buck converter is pin-programmable
https://www.electronics-lab.com/buck-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 V makes the part useful for distributed 12-V point-of-load applications. The […]
2A, 70V SEPIC/Boost DC/DC converter with 7µA Iq
https://www.electronics-lab.com/2a-70v-sepicboost-dcdc-converter-with-7%c2%b5a-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 input voltage range of 2.5V to 32V and once running it operates from […]
A low-cost 0.5A 33V LED driver module with 90+% efficiency
https://www.electronics-lab.com/a-low-cost-0-5a-33v-led-driver-module-with-90-efficiency/
by Valentin Kulikov @ edn.com This article describes simple constant current driver module with fast PWM input that can be used for driving medium and high power LEDs. The module uses an integrated constant-current output, DC-DC buck converter with output current configurable from 0.1 to 0.5A. This article outlines the schematic, design guidelines, operation, and performance […]
Programmable 8-character LCD module and digital voltmeter
https://www.electronics-lab.com/programmable-8-character-lcd-module-and-digital-voltmeter/
A programmable 8-character LCD module and digital voltmeter project from Tuxgraphics: Our 3 digit LED digital voltmeter module has been quite successful over the years. This new LCD module is basically an advanced version with a lot more capabilities. You can power it with the same voltage source that your signal is derived from. You […]
Site enables detailed component comparisons
https://www.electronics-lab.com/site-enables-detailed-component-comparisons/
by Sagar Savant @ edn.com: Choosing components is a series of time-consuming tasks, from surveying the market for possible candidates to properly evaluating performance. As a hardware engineer who has worked in Silicon Valley for 10 years, I have spent significant time developing test plans and specs, building fixtures, and testing components. One of the reasons […]
Do you know, what´s a top-class programmable power supply capable of?
https://www.electronics-lab.com/do-you-know-whats-a-top-class-programmable-power-supply-capable-of/
If you need to simulate overvoltage, slow start, fluctuations and other situations, which may occur in real life, then the TDK Lambda power supplies won´t disappoint you. Imagine a laboratory (testing) power supply able to provide a virtually any function. Switching on, drop-out, repeated switch-on and many other functions, by which we can test our […]
Environmental Alert System
https://www.electronics-lab.com/environmental-alert-system/
by Aleator777: What’s that smell? It’s noxious gas of course! If you’re in an environment where there’s a possibility of gaseous release of which you’d rather not breathe, why not build an automatic system for sensing and alerting you? The design for the Environmental Alert System is driven by my motivation to understand the concentrations […]
Make an Apple Watch Door Unlocker
https://www.electronics-lab.com/make-an-apple-watch-door-unlocker/
Here’s how to automagically open doors at home or at work with a tap on your wrist. By Marc Jensen, James Squires and Shawn Roske: What’s an Apple Watch good for? How about unlocking doors with just a tap on an app? We figured out how do something no one else has done for under 150 […]
Nixie Tube Clock
https://www.electronics-lab.com/nixie-tube-clock-3/
by Pete Mills : If you’ve poked around the internets where electronics hobbyists collect, it is likely that you are acutely aware of our incontrovertible affinity for building timekeeping clocks. It is similarly unlikely that you have been able to evade the plenitude of nixie tube based projects. There is a reason for this. Nixie […]
DE1-SoC Development Board from Terasic
https://www.electronics-lab.com/de1-soc-development-board-from-terasic/
by Joel Bodenmann: The DE1-SoC board is populated with a six digit 7-segment display. All digits are connected to the FPGA. Therefore, in order to control the 7-segment display out of the Linux userspace code, one has to create a new component in QSys that is connected to the AMBA-AXI bus. But first of all, […]