2.5V-4.2V input to 3.3V output – 1A Buck Boost Converter using LTC3441
This circuit can produce an output of 3.3V and 1A current continuously for a voltage input varying from 2.5V to 4.2V. The LTC3441 is a high efficient buck boost converter which plays a vital role in portable instrumentation because of its fixed frequency operation. This circuit...
Continue ReadingSlave Flash Trigger
A Programmable Optical Slave Flash Trigger for Digital Cameras with PIC 12F675 Slave Flash Trigger -...
Continue ReadingPicoDetector : a simple metal detector
Bruno Gavand build a simple metal detector using PIC12F683. He writes: The idea of this circuit is to hack PIC oscillator circuit, by replacing the crystal by a coil : the frequency of the oscillator then depends on presence of metal near the coil, just like in a classic metal...
Continue ReadingSmart sensors track fitness activity
STMicroelectronics’ LIS2DS12 3-axis accelerometer, LSM6DSL/M 6-axis inertial module, and new LSM303AH eCompass enable always-on fitness-tracking applications to operate longer and record progress more accurately. by Susan Nordyk @ edn.com: These smart sensors help track movement...
Continue ReadingBFuse: Electronic Fuse for Breadboard
Jakub Polonský created this solution to make breadboard prototyping safer for components: adjustable and programmable electronic fuse especially designed for breadboards – a breadboard fuse, or BFuse BFuse: Electronic Fuse for Breadboard -...
Continue ReadingEasyESP-1: A beginner’s prototyping board for ESP8266
ESP8266 has made it possible for makers to develop IoT applications in much simpler and more inexpensive ways. EasyESP-1 is a new ESP8266 prototyping board, specially designed for beginners by Raj from Embedded Lab. With an onboard USB-to-Serial converter pre-installed, EasyESP-1 does...
Continue ReadingRedefining a new state-of-the-art in microampere current-sense amplifiers
Silicon Lab’s TS1100 and TS1101 current sense amplifier’s features discussed in this app note. Sensing and controlling supply current flow are a fundamental requirement in most all electronic systems from battery-operated, portable equipment to mobile or fixed-platform power...
Continue Reading+9V TO 60V PWM 2.3A SOLENOID VALVE DRIVER USING DRV101
The DRV101 is a low-side power switch employing a pulse-width modulated (PWM) output. Its rugged design is optimized for driving electromechanical devices such as valves, solenoids, relays, actuators, and positioners. The DRV101 module is also ideal for driving thermal devices such as...
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