Well, the “Test PCB” project is finally underway. In case you don’t remember my original blog, the idea is to send a PCB design out to a half-dozen or so low-cost PCB prototype shops, then review their service and quality. I’ve created a 6 × 6cm double-sided design for this project. I would have made […]
Quick-Turn PCB shop review project: Step 1, the PCB Read More »
This Design Idea shows a way to drive low-power electronic circuits using a single 1.5V cell. The design is based on a free-running oscillator that drives a flyback transformer to generate a controllable higher voltage. It can be used to power analog circuitry, microcontrollers, and any other light loads. The power circuit was designed, simulated,
Flyback switcher works down to 1.1V, flashes HBLEDs Read More »
A four-channel PMBus digital power-system manager IC, the LTC2975 from Linear Technology, performs current, power, and energy monitoring of the intermediate-bus input to point-of-load (POL) converters. The device relieves the host of burdensome computation and poling by providing the energy consumed, reported in joules, and the elapsed time through a PMBus interface. When combined with
The ADP2384 is a synchronous step-down, dc-to-dc regulator with an integrated 44 mΩ, high-side power MOSFET and an 11.6 mΩ, synchronous rectifier MOSFET to provide a high efficiency solution in a compact 4 mm × 4 mm LFCSP package. This device uses a peak current mode, constant frequency pulse-width-modulation (PWM) control scheme for excellent stability
ADI claims DC-DC converter has highest efficiency Read More »
Silicon Labs have introduced a tiny 3 mm square hybrid TV tuner chip which supports reception of all worldwide terrestrial and cable TV transmission standards. According to its preliminary data sheet its design eliminates the need for an external balun, LNAs, SAW filters, and inductive power supply filtering. Some competing TV tuner solutions also eliminate the
Mix real and digital game worlds, play video games outside and create your own Hybrid Games! What is Hybrid Play? Hybrid Play is a device for you and your children to experience and create new virtual adventures, and play them in playgrounds and parks. Play video games outside using the playground as a control interface.
Hybrid Play: Turn any playground into a video game Read More »
I belong to a village of Odisha, India where frequent power cut is very common. It hampers the life of every one. During my childhood days continuing studies after dusk was a real challenge. Due to this problem I designed a solar system for my home on a experimental basis. I used a solar panel
I would like to introduce you to one of my interesting projects. It is a wireless thermometer that measures the indoor and outdoor temperature. The device consists of two parts. One is a transmitter that contains one digital temperature sensor and a transmitter module. A second receiver consisting of an LCD screen, the analog sensor
Indoor/outdoor wireless thermometer using Arduino Read More »
This is a complete DIY project which requires a handful of components such as the ATtiny 85, LM35,MAX7219 and a couple of resistors and capacitors running off a regulated 5 V supply. Temperature Measurement Range : 0 to 150’C 32 to 300’F Controller: ATtiny 85 Display type – 4 digit multiplexed 7 segment display(Common Cathode
The accelerometer can measure acceleration in two axis using Analog Devices ADXL202. +-2g can be measured in each axis. Look herefor datasheets and application notes. Introduction Features – Features and functions planned Theory of Operation – Explains the software and calculations from the sensor Hardware – Hardware overview and design description. Download Schematic and PCB design can be downloaded. Shematic and
Bullit Accelerometer – Accelerometer with microcontroller and display Read More »
