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H-Bridge to drive white LED arrays directly from the AC mains supply 24 Aug 2013 | 07:34 am
The classical H-bridge circuit is widely popular in driving DC motors in robotics applications. This article talks about a novel application of the H-bridge circuit for driving white-LED arrays direct...
Low-cost thermostat design for cooking appliances using PIC10F204 20 Aug 2013 | 11:02 pm
Countertop cooking appliances, such as electric ranges and skillets, use an adjustable thermostat to vary the heat output. In traditional appliances, a mechanical thermostat was used in series with th...
Arduino-controlled prosthetic hand operates on verbal commands 20 Aug 2013 | 06:07 am
Here is a really cool instructable about making a prosthetic hand cum arm that operates on voice commands. The project uses a modified version of the InMoov hand/forearm to construct a five-finger pro...
High-voltage seven segment LED display driver with SPI interface 19 Aug 2013 | 09:36 pm
Seven segment LED displays are known to be resource and power hungry. But because they are visually so charming and readable from a far viewing distance and at a much wider viewing angle as compared t...
Data recovery from a dead SD card using Arduino 19 Aug 2013 | 09:13 pm
A Secure Digital (SD) memory card is the most standard memory card for use in mobile electronic devices, such as cell phones, digital cameras, GPS devices, and tablet computers. Communication with an ...
Pong game using PIC10LF322 19 Aug 2013 | 06:33 am
Pong is known to be one of the earliest arcade video games. There are already a lot of DIY versions of this classic game available on internet. Jacques from Quebec was successful to squeeze the pong p...
Personal space invader alarm bow tie 16 Aug 2013 | 08:45 am
We all have an invisible boundary around our body, which we call personal space. We certainly don’t like anybody piercing through this boundary. This personal space defender bow tie is a simple and el...
Microchip introduces new temperature sensors with 1.8V SMBus and I2C™ Interface 14 Aug 2013 | 06:38 pm
Microchip Technology Inc. has announced a new six-member family of temperature sensor ICs called the EMC118X. This is the world’s first family of temp sensors with 1.8V SMBus and I2C™ communications,...
New power supply boards added to our Tindie store 13 Aug 2013 | 06:30 am
We have added two new regulated power supply boards and one general purpose double-sided prototyping circuit board (7cm X 9cm) to our Tindie store today. Both the power supply boards provide constant ...
Implementing digital filters using PIC18F microcontrollers 13 Aug 2013 | 12:32 am
Microchip’s PIC18 family of microcontrollers are popularly known for their logic and controlling functions. In addition, these microcontrollers have builtin hardware multipliers and multiple file poin...
