Clik here to view.
Interfacing AC power lines with PIC microcontrollers
Applications like automatic power factor correction, power measurement, and power line monitor require interfacing the high voltage AC power lines to microcontrollers. This application note from...
View ArticleClik here to view.
Shoe-integrated sensor system to serve as a walking aid for visually impaired...
This shoe-integrated sensor system is supposed to serve as a walking aid for a person with impaired sight. It alerts the user about obstacles surrounding him. Based on the information received from...
View ArticleClik here to view.
Implementing digital filters using PIC18F microcontrollers
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...
View ArticleClik here to view.
New power supply boards added to our Tindie store
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...
View ArticleClik here to view.
Microchip introduces new temperature sensors with 1.8V SMBus and I2C™ Interface
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,...
View ArticleClik here to view.
Personal space invader alarm bow tie
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...
View ArticleClik here to view.
Pong game using PIC10LF322
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...
View ArticleClik here to view.
Data recovery from a dead SD card using Arduino
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...
View ArticleClik here to view.
High-voltage seven segment LED display driver with SPI interface
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 to...
View ArticleClik here to view.
Arduino-controlled prosthetic hand operates on verbal commands
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...
View ArticleClik here to view.
Low-cost thermostat design for cooking appliances using PIC10F204
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 the...
View ArticleClik here to view.
H-Bridge to drive white LED arrays directly from the AC mains supply
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...
View ArticleClik here to view.
Temperature sensor accuracy improvement using a PIC MCU
The accuracy of most of the current IC temperature sensors is about ±1°C at room temperature. However, at hot and cold temperatures, the uncertainty increases exponentially, resulting in a...
View ArticleClik here to view.
DIY remote-controlled electronic scoreboard using LED strips
Most electronic scoreboards are expensive, and not everybody can afford them. This instructable is about a DIY scoreboard for softball that can be constructed for less than $100. The project uses LED...
View ArticleClik here to view.
Designing a RC snubber circuit
In applications including power electronics, reverse recovery effects are very common and can induce unnecessary high-frequency oscillations in the circuit. This application document from NXP...
View ArticleClik here to view.
Making a smart I2C DC motor controller
A full-fledged DC motor controlling application requires a lot of I/O resources and MCU time. This project is about making a dedicated DC motor controllerthat would release the main microcontroller...
View ArticleClik here to view.
Understanding ADC parameters for accurate analog-to-digital conversions
Analog-to-digital-conversion (ADC) is required in Embedded Systems to deal with various analog world parameters such as current, pressure, motion, temperature, etc. An ADC is an electronic system or a...
View ArticleClik here to view.
Three-Phase Electronic Watt-Hour Meter Using the MSP430F677x
The TI’s MSP430F677x devices belong to the powerful 16-bit MSP430F6xx platform, which brings in many new features and provides flexibility to support robust poly-phase metrology solutions. These...
View ArticleClik here to view.
Code optimization tricks for AVR microcontrollers
Using high-level language compilers such as C greatly improves the development efficiency of microcontroller-based products. But when programs are written in C and compiled by a C compiler, the code...
View ArticleClik here to view.
Seven segment LED clock with a coconut shell enclosure
Here’s another seven segment LED based digital clock using a PIC microcontroller. The project uses a 4-digit common anode type seven segment LED display, a PIC16F727 MCU, and BCR562 transistors...
View Article