While the highest cost for large PV projects are the grid connection and labour during the installation, the price of electricity from PV systems at suitable sites can easily compete with conventional power generation. Doing the math, that means a rooftop array of 20 photovoltaic panels with a capacity of five kilowatts will cost around $15,000 […]

An electronic device that increases (i.e. amplifies) the power of the audio signal to levels suitable for driving speakers. We can now make use of the optimum sound quality that power amplifiers offer without necessarily increasing the number of boxes or the complexity of your setup. There’s also the option of bi-amping, which requires at […]

IT wants the server rack or network cabinet to be on time, assembled without problems, and with design that stands the test of time and best practice. These racks make it possible to sit or work beside loud server equipment and still concentrate or speak with co-workers or clients. Above the economy version you can […]

Drummers using electronic drums, drum machines, or hybrid acoustic-electric kits (which blend traditional acoustic drums and cymbals with electronic pads) typically use a monitor speaker, keyboard amplifier or even a small PA system to hear the electronic drum sounds. Before we go any further though, check out electronicdrumsetadviser.com for the best electronic drum sets on […]

Larger portable metal detectors are used by archaeologists and treasure hunters to locate metallic items, such as jewelry , coins , bullets , and other various artifacts buried beneath the surface. Metal detectors are useful for finding metal inclusions hidden within objects, or metal objects buried underground. Whether you’re looking for your first hobby metal […]

Portable jump starters will get your car going without needing another vehicle for a jump, making them a lot more convenient to use than jumper cables. Some portable jump starters require you to attach the jumper cables to the device before starting. But those tests weren’t conducted recently, and one of the things Consumer Reports […]

Because digital keyboards and pianos rely on sampling, they can produce sounds from different instruments. Roll-up pianos are highly affordable and portable musical instruments that can create sustain and delay effects just as precisely as grand and concert digital pianos do. Moreover, some of them have advanced features like an onboard Bluetooth, damper pedals, and […]

Analogue scopes have another advantage in that they are inherently very fast updating (the screen updates every time the scope trace triggers) and on noisy or jittery signals the brightness of an area of trace gives a measure of the relative frequency of that particular event within the overall signal. But before going anything further, […]

If you’re looking to save a bit and still get fine 1080p for many games (at full settings for older games and slightly reduced ones for newer demanding games), look at the cards built around the GeForce GTX 1050 Ti and Radeon RX 570 GPUs. AMD’s $350 Radeon RX 5700 and $400 Radeon RX 5700 […]

Its 880MHz dual-core processor, 128MB of RAM, and 128MB of memory aren’t much but are enough to support a dual-band networking with speeds of up to 800Mbps in 2.4GHz band and 1733Mbps in the 5GHz band, which is very good for any ac standard router. Check out this gaming routers at gamingrouteradviser.com. With support for […]

These juicers are slower than centrifugal juicers but are twice as efficient and effective having the ability to chew through greens, soft vegetables and fruits without any discrimination. You can also juice with a masticating juicer or cold press juicer, and that machine will grind or knead your fruits and vegetables into a pulp, pulling […]

Satellite phones can be a valuable back up to traditional cell phones because they operate independently of terrestrial communication or cell phone networks, which can be unreliable or non-existent in less populated regions or remote and can be vulnerable to natural or man-made disasters. Iridium satellite offers phones, packages and data services for avid campers, […]

For a home theater projector, however, you will want one that has at least 2,000 lumens, a 1,000:1 contrast ratio, compatible receiver or device inputs, and 1080p or 4K resolution. Bring lifelike pictures to your entertainment with the HDR compatible VPL-VW295ES Home Theater Projector, with native 4K image display, 1,500 lumens brightness and Reality Creation […]

DJ controllers are slowly becoming as powerful as professional media players and mixers, including effects, LCD screens , and touch-sensitive performance pads. DJ controllers are devices used to help DJs mix music with DJ software using knobs, encoders, jog wheels, faders, backlit buttons, touch strips, and other components. 8 The Pioneer9 DJ product range comprises […]

With brilliant HD video quality, two-way audio, live streaming, included 7-day cloud recording, instant alerts, and other smart features, the Arlo family of smart security cameras lets you watch over what you love from every angle, indoors and out, day and night. Most wireless systems include Wi-Fi cameras – or IP cameras – that work […]

There are a whole host of headsets available, too – everything from powerful, high-end models like the HTC Vive and Oculus Rift to mobile experiences like the Samsung Gear VR, Google Daydream View, and the brilliantly simple Google Cardboard. Tethered headsets like the Oculus Rift S, the HTC Vive Cosmos, and the PlayStation VR are physically connected to […]