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II-VI ZnSe Laser Focus Lens PLANO CONVEX
DSTIKE WiFi Deauther OLED V6
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Step down power modules
DC-DC Buck step down Converter 6-24V 12V/24V to 5V 3A CAR USB Charger Module
New design, 3 solid state ceramic capacitors(MCC), more safe and low ripple
The max output current 3A, long time use 2.1A, enough use
Synchronous rectification, High efficiency, 6.5V to 5V 0.7A can up to 97.5%, 12V to 5V 1A can up to 94%
With output overvoltage protection. There is 1.5A fuse, output 5V have 300W TVS tube protect your USB device
Package Including: 1 x USB DC-DC Step Down Module
SKU: 4427
5x2.5 Solar cells, Flexible Solar Cells
Sunpower Maxeon Mono solar cell. 1.5W 125×62.5mm [Busbar optional]
5x2.5 Solar cells, Flexible Solar Cells
Sunpower Maxeon Mono solar cell. 1.5W 125×62.5mm [Busbar optional]
1.50 W 5″x2.5″ A grade 21-24% Highest Efficiency Monocrystalline Sunpower Solar Cell with Busbar.
Semi flexible -so less likely to break when tabbing and offer additional ways to use them
21-24% efficient -One of the highest powered solar cells available
Both Contacts are on the back: These have both the Positive and Negative points on the back allowing neater panels and alternative ways to use them.
Mono Crystalline
SKU: 954
20 Watt Leds, 30 Watt Leds, 50 Watt Leds, LED Lamps
Driverless High Power LED 20W 30W 50W 110V DIY COB LED Diode Chip
20 Watt Leds, 30 Watt Leds, 50 Watt Leds, LED Lamps
Driverless High Power LED 20W 30W 50W 110V DIY COB LED Diode Chip
Driverless High Power LED 20W 30W 50W 110V DIY COB LED Diode Chip
Driverless. No driver needed. Power direct from 110V source.
High Brightness / Enlarge Light / Fast Heat Dissipation
High Lumen / No Flicker / Energy Saving
High quality COB Chip save more energy. A long life span more than 50000 h
A 360° degree Beam angle illuminate your room
A most cheapest price provide you the most professional service
SKU: 6095
LED Drivers, Robotics
10W LED Driver 12V – 24V 900mA DC Efficient High Power Constant Current
This is a constant current driver for LEDs. Constant current drivers are have excellent efficiency and reduce visible flickering and noise (both audible and EMF) as compared to a PWM LED driver.
Constant current drivers also prolong the life of LEDs by keeping them in their optimum regions of operation.
SKU: 2614
Deals and Specials, Flexible Solar Cells
Uni-Solar 6.2 Watt Solar Cell Finished L-Strip AA Flexible Amorphous solar cell
Deals and Specials, Flexible Solar Cells
Uni-Solar 6.2 Watt Solar Cell Finished L-Strip AA Flexible Amorphous solar cell
Uni-Solar Finished L-Strip 6.2 Watt AA Flexible Amorphous DIY Solar Cell . Part of liquidation from Greenville MI Uni Solar plant. These were part of the EPVL Series solar panels.
SKU: 1120
Color LCD'S, Touch Screen LCD'S
Nextion NX3224T028 – Generic 2.8″ HMI LCD Touch Display 4MB Flash
Nextion NX3224T028 – Generic 2.8″ HMI LCD Touch Display 4MB Flash. Nextion is a Seamless Human Machine Interface (HMI) solution that provides a control and visualisation interface between a human and a process, machine, application or appliance. It is the best solution to replace the traditional LCD and LED Nixie tube. 4MB Flash
SKU: 1207
Lasers:
THE REVIEWS ARE IN
from 21 reviews
100w full spectrumLights work great.
Quiet and made well enough to do the job.
They run pretty cool too.Direct voltage also has the best customer service.
Excellent add-on for my 90 watt CO2 LaserI recently purchased this as an add-on for my 90w CO2 laser. I didn't wanted to be able to adjust the current so that I could set the max current limitations as well as see the current output to the laser tube. This is critical to the overall lifespan of a laser tube and this unit was plug and play with my MJYG 100 power supply. Excellent buy!
shipping was fast. Kit was easy enough to set up. Looks great. I will report back with results.
very happy with thisBeen using this for about a month and a half now and it has been great for me. There web interface is so well thought out and makes my life so much easier. Little things, like having an indicator for when the z probe is triggered (and whether it's high or low) on the main screen, saved me so much time and trouble during the setup process. One thing I don't like is that there is only one option for bed leveling: mesh. You probe, say, 90 points on your bed to map the high and low points of the bed, then every time you print you just home the z axis. What if the bed becomes tilted between prints? A 3 point probe before printing that tilts the mesh would be better. Maybe add UBL.
I'm using this on my creality ender 4 (converted to CoreXY) and it works wonderfully. My printer is almost silent and I have 256x microstepping going too. I'm using the paneldue clone from this very site, which is also very good.
I was surprised to see the speed of uploading files via there duet web interface, I used a serial interface before (10 minutes to the duet's 2 seconds)
There's a Cura plugin that lets you print directly to your duet too, but I think Cura's latest update broke a lot of plugins. We have to wait for a plugin update or use an old version of Cura.
A few tips:If you plan on buying the paneldue, I'd recommend the 5" or larger, if you go smaller you get a lower resolution screen and I think the user interface is laid out differently because they couldn't fit everything.
Also about the paneldue: I wouldn't recommend trying to use the SD card slot in it. The duet always defaults to the micro SD card, so using the reader in the paneldue is a pain in the butt. Which leads to my next tip:
Buy a micro SD card. If you don't have one, buy one. The firmware goes on it, so the duet won't work without it.Gcode files can get pretty big, up into the hundreds of megabytes. If you don't want to be cleaning your micro SD card all the time, get a nice big one.
efficientI have two grows of identical plants and the one using full spectrum 50W LED looks way better than plants under 300K LED arrays. I plan on building more full spectrum LED arrays for their more efficient use of electricity..
handyI have several 12V solar systems on the property and these make great at-a- glance battery monitors. I may put a few more in cars and of course I have one just on gator clips for portable use.
Gaisma boards rock!Went with this over the Quantum board. No regrets. Good solid well made board.
This 120 watt draw light is absolutely awesome.
Hands down, best value out there.
Fast, easy to use.
Quality board construction, well marked for easy assembly.
Fast delivery, great pricing - new fan of Direct Voltage.
Very fast delivery. Ships from central Kansas. Good sturdy brackets.
Super fast shipping. Easy install. Good solid unit.
Big LCD display. Easy to read and navigate. True MPPT, lots of controllers that claim to be MPPT are not MPPT. SRNE controllers are true MPPT's
High Quality, decent price, super fast shipping.
Item was well packed, fast delivery, build quality is excellent. Lovin it.
Good quality product. Shipping fast. No complaints.
Great upgrade board for 3d printer!!! Smooth easy setup. Highly Recommend
