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Surgical robots-for better surgery

Surgeons in Australia are excited over new surgical robots they are with to work surgical operations on patients. These new robots tolerate surgeons to work operations using enhanced precision to reduce postoperative complications and actually require fewer poles during the surgical method. Here’s how it works: using the surgical robot’s help, surgeons’ diffident behavior two automatic arms inserted into the tolerant through small incisions. A high-resolution 3-D telescope accompanies the mechanical component so that the doctor can see what’s gratis on. Seated at a console, the doctor can then work composite travels such as making incisions, manipulating tissues, or even suturing tissues.

The Stirling cycle – technology beyond expectation

The key code of a Stirling engine is that a downright calculate of gas is sealed within the machine. The Stirling cycle involves a cycle of check that mutation the hassle of the gas within the engine, causing it to do work. There are numerous properties of gasses that are risky to the venture of Stirling engines: If you have a rigid amount of gas in a rigid level of celestial and hoist the gas’s temperature, the hassle will improve. If you have a rigid amount of gas and compress it (decrease the level of its space), the gas temperature will improve. Let’s go through the piece part of the Stirling chain while looking at a simplified Stirling engine. One cylinder is heated by an outdoor heat bound (such as a fire), and the other is cooled by an outdoor cooling bound. The two cylinders’ gas chambers are allied, and the pistons are joined to apiece other mechanically by a linkage that determines how they will move about one another. You can add heat to the gas inside the heated cylinder (left), making it a bit hard. It compels the piston to move a little down. This is the part…

The Basic Knowledge You Should Know about Pulse Width Modulation!

Most of you here have heard Pulse Width Modulation (PWM) at least once in your life, but how well do you know about this PWM? If you want to unveil the mystery of PWM, then you need to spend a few minutes to read on this article…

Happy 40th Anniversary to the First Computer Mouse!

A mouse (Not the pesky rodent!) is a pointing device, where it functions by detecting two-dimensional motion relative to its supporting surface. To be more precise, a mouse consists of an object that holds under one of the user’s hands, with one or more buttons. As you can see, the contemporary computer mouse has a wheel that allows the user to perform various system-dependent operations. Do you know that inventor Douglas Engelbart was creating the first computer mouse on Dec 9, 1968? After a glorious 40th anniversary years, Douglas said, “Although there’s been an explosion of technology in the past 4 decades, it hasn’t reached the level of potential he envisioned in the early 1960s yet!”

The Great PLL Induction Heater Driver

Have you ever played with a manually tuned induction heater before? If you did, then you must know that how dull it could be… Oh, for those that didn’t know what the induction heater is, that is a key piece of equipment used in all forms of induction heating. An induction heater will technically operate at either medium frequency (MF) or radiofrequency (RF) ranges. Three main components form the basis of a modern induction heater, such as the power unit (power inverter), the word head (transformer), and the coil (inductor). This project is slightly different from the regular induction heater driver, as it will include the Phase Lock Loop (PLL) into it. A phase lock loop is a control system that can generate a signal, and it has a fixed relation to the phase of a “reference” signal itself. Since the phase lock loop circuit responds to both the frequency and the input signals phase, it raises or lowers the frequency of a controlled oscillator automatically until it’s matched to the reference in both frequency and phase. Overall, this PLL induction heater driver will be one of the magnificent projects that you’ve ever built!

Great method of PCB reverse engineering by using a Photoshop

Rriccibitti has sent us his latest work on reverse engineering of simple keypad circuit. The solution seems to be very simple but effective. He used a digital camera to take a picture of the printed circuit board and a photo editing software to track PCB traces with different colors. OK, for this one, he used Photoshop to have lots of valuable tools that make this work much more manageable. To be more specific, let us see what he’s done:

Circuit Diagram

A circuit diagram is also known as an electrical diagram, wiring diagram, elementary diagram, or electronic schematic. It is a simplified conventional symbolic representation of an electrical circuit. It shows the circuit components using easily understood symbols and the power and signal connections between the devices. The components’ arrangement and their interconnections on the diagram do not correspond to their physical locations in the finished device. Unlike a block diagram or layout diagram, a circuit diagram shows the actual wire connections being used. The chart does not in any way represent the physical arrangement of components. Circuit diagrams are used for the design, construction, and maintenance of electrical and electronic equipment.

Analog Circuit Design

Today’s modern circuit design is a bit of a conglomerate thanks to the availability of sophisticated process technologies that have made bipolar and CMOS (Complementary Metal Oxide Semiconductor), power and signal, passive and active components available, all on the same die. From this point on, it is up to the circuit designer’s ingenuity to assemble these components into the analog and/or logic building blocks that are deemed necessary to develop the intended system on a chip.

Free pascal compiler for 8051 microcontrollers

If you like to work with 8051 microcontrollers and like Pascal programming language, here is Turbo51 – a free Pascal compiler for the 8051 families of microcontrollers. In the 1980s, Intel introduced the 8051 as the first member of the MCS-51 family of microcontrollers. Today hundreds of cheap 8051 derivatives are available from tens of manufacturers. This makes the MCS-51 architecture so interesting for professionals and hobbyists. It is a somewhat surprising fact that this 8-bit architecture is still in use today. In other words, it is still trendy. Several C compilers are available for the 8051. However, there are only a few Pascal compilers for the 8051 families available. There are many debates on which programming language is better. Turbo51 is for those who prefer Pascal. Turbo51 features a fast single pass optimizing compiler, Borland Turbo Pascal 7 syntax, full floating point support, mixed Pascal and assembler programming, full use of register banks, advanced multi-pass optimizer, smart linker, generates compact high-quality code, output formats include binary, Intel HEX and assembler source.

DS1803 Digital Potentiometer – The Great Variable Resistor

You’re still frustrated with your old-fashioned and limited functions potentiometer? Instead of being annoyed by it, why don’t you spend several hours making a DS1803 digital potentiometer? With this DS1803 digital potentiometer, you can easily control the resistance over its range in the programmable action and then send it commands over a 2-Wire (12C/TWI) serial interface in a second! This means you can hook it up to another microcontroller, such as the most popular Arduino, and then adjust the program’s resistance. It would be best if you chose DS1803 because it is compatible with the program, it can be operated in either 3V or 5V, and you can choose from a few different models with various resistance ranges. For the project, you can create a tiny PCB, were consists of two DS1803s. You will get four potentiometers on this board since each of the DS1803 has two potentiometers!