Regulator offers independent outputs
Susan Nordyk @ edn.com writes: Housed in a 15×9×2.42-mm over-molded BGA package, the LTM8049 µModule dual-output DC/DC converter from Linear Technology is configurable for a combination of SEPIC and/or inverting operation by simply grounding the appropriate output rail. All that...
Continue ReadingProgram AVR Using Arduino the easy way
rik @ riktronics.wordpress.com show us how to program AVR microcontrollers using an Arduino board. Advanced hobbyists like me (and you, of course 😉) love to play with microcontroller. And the most famous microcontrollers for beginners are AVR series from Atmel™. Almost...
Continue ReadingLC709501F – Li-ion, intelligent charge controller for next-generation power banks
by Graham Prophet @ edn-europe.com: ON Semiconductor has introduced a highly integrated single chip power bank charge controller for the development of next generation Li-Ion powered products. The LC709501F provides broad power and voltage/current output range of 5V, 9V and 12V...
Continue Reading433MHz wireless module configuration
Dziku discuss how to configure a cheap 433MHz wireless module for serial communication: HC-12 are cheap 433MHz wireless serial port communication modules with a range up to 1800m in open space. Each costs about $5 when bought from China, and 2 of them can create wireless UART link...
Continue Reading$4 Coin-sized Linux Computer with WiFi
VoCore is a small Linux computer with Wifi that can work as a full functional router. It runs OpenWrt on top of Linux. It contains 32MB SDRAM, 8MB SPI Flash and uses RT5350 (360 MHz MIPS) as its heart. It provides many interfaces such as 10/100M Ethernet, USB, UART, I2C, I2S, PCM, JTAG...
Continue Reading$15 Arduino-Based Reflow Oven Controller
A reflow oven is one of the most useful tools for hardware developers, a machine used primarily for reflow soldering of surface mount electronic components to printed circuit boards (PCB). ESTechnical, a hardware manufacturer based in UK, works hard to produce open source hardware gadgets...
Continue ReadingRaspberry Pi action camera
Action cameras are light and portable camcorders that are great for filming outdoor sports and activities. While there are varieties of commercial action cameras available in the market, makers and tinkerers prefer an alternative route of making their own version of any piece of...
Continue ReadingAttiny2313 & Attiny84 V-USB Media Volume Control
Rupert Hirst shares his thoughts on creating a V-USB based media volume control: Although you may think a rotary encoder is just a rotary encoder, when selecting one for a specific purpose such as a volume knob, the feel and quality can play a large part in your design decision....
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