Replacing a dead iPhone battery
https://www.electronics-lab.com/replacing-dead-iphone-battery/
Brian Dipert discuss his experience replacing an iphone battery @ edn.com: About a week ago, in preparing to run some errands, I plugged my iPhone 4S into the charger in my car so that I could stream Pandora while I drove. Oddly, a “this accessory may not be supported” message appeared on-screen; when I unplugged […]
PCB X-mas tree
https://www.electronics-lab.com/pcb-x-mas-tree/
Matthias created a X-Mas tree project using the DirtyPCB boards from dangerousprotorypes.com : The project features an USB capable PIC16F1549 µC with: USB FS device 48 MHz internal Oscillator 2 PWM modules 10-bit ADC with Voltage Reference Integrated Temperature Indicator Module The LEDs are connected to the 2 PWM outputs via N-mos drivers. A Potentiometer […]
How to Set Up the DHT11 Humidity Sensor on an Arduino
https://www.electronics-lab.com/set-dht11-humidity-sensor-arduino/
circuitbasics.com has a new tutorial on how to interface DHT11 humidity sensor to Arduino board. Sample code is provided Because of their low cost and small size, DHT11 humidity and temperature sensors are perfect for lots of different DIY electronics projects. Some projects where the DHT11 would be useful include remote weather stations, home environment control systems, and […]
Nuclear physics applied in smoke detectors
https://www.electronics-lab.com/nuclear-physics-applied-smoke-detectors/
by robertgawron.blogspot.com: Not many people know, but in some smoke detectors, radioactive materials play an essential role. Today I will present one of those devices, and my -successful- attempt to reverse engineer it and get the circuit diagram. Nuclear physics applied in smoke detectors – [Link]
2.7V-4.2V input to 3.3V output Buck-Boost Converter
https://www.electronics-lab.com/2-7v-4-2v-input-3-3v-output-buck-boost-converter/
This project shows a DC-DC buck boost circuit which can produce an output of 3.3V for an input of 2.7V to 4.2V , for example from a Li-on battery. The Circuit uses LTC3440 Buck boost IC which is a fixed frequency boost converter. To get high efficient results, inductor with high frequency core material should […]
The Winkel Board, All-in-one Arduino Compatible Board
https://www.electronics-lab.com/winkel-board-one-arduino-compatible-board/
Mintbox Technologies is an Indian tech startup who build smarter connected devices for everyone. It is specialized in consumer electronics, open source software & hardware, PCB design services. Mintbox latest product is The Winkel Board, a powerful new Arduino-compatible, open source hardware platform for development and prototyping. Based on the Atmel ATmega128 microcontroller, The Winkel […]
Human Motion Powered Nanotechnology Devices
https://www.electronics-lab.com/human-motion-powered-nanotechnology-devices/
Michigan State University researchers have came up with a new method for harvesting energy from human motion using nanotechnology. They designed a low-cost film-like device, a nanogenerator, than can power a LCD display, keyboard, and some LEDs without any source of electric power, by only using some human touching or pressing. This device called FENG, […]
STEP/DIR SIGNAL TO CW/CWW SIGNAL CONVERTER FOR CNC & MOTION CONTROL SYSTEMS
https://www.electronics-lab.com/stepdir-signal-cwcww-signal-converter-cnc-motion-control-systems/
Simple Circuit converts Step/Dir. signal into to double drive CW/CWW Pulse, Mach3 and few Hobby CNC software’s provides Step/Direction pulse output to drive stepper motor drivers. Various AC servo works with double CW/CCW pulse. This circuit is solution to interface such AC CW/CCW pulse based driver with Mach3 or other CNC software’s. Circuit designed around […]
STEP/DIR SIGNAL TO CW/CWW SIGNAL CONVERTER FOR CNC & MOTION CONTROL SYSTEMS
https://www.electronics-lab.com/project/stepdir-signal-cwcww-signal-converter-cnc-motion-control-systems/
Simple Circuit converts Step/Dir. signal into to double drive CW/CWW Pulse, Mach3 and few Hobby CNC software’s provides Step/Direction pulse output to drive stepper motor drivers. Various AC servo works with double CW/CCW pulse. This circuit is solution to interface such AC CW/CCW pulse based driver with Mach3 or other CNC software’s. Circuit designed around […]
Emulate an Apple ][ on an AVR Microcontroller
https://www.electronics-lab.com/emulate-apple-avr-microcontroller/
The Apple II personal computer, which stylized as Apple ][, is an 8-bit home computer and one of the first highly successful mass-produced microcomputer products. It was designed primarily by Steve Wozniak and developed with Steve Jobs. Apple ][ was introduced in 1977 at the West Coast Computer Faire by Jobs and was sold several […]