ve7it
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ve7it 15/12/2019
I love these supplies. I used them to build a variable DC supply for my bench. I changed the pots for panel mount 10 turn pots and fed these supplies(3) with a high current 24V supply. Most of the parts for this project were source from banggood including the laser to engrave the front panels.
DC-DC CC CV Buck Converter Board Step Down Power Supply Module 7-32V to 0.8-28V 9A
US$2.99 US$19.00
27
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Comments (3)
MUSTOOL ST212 AC/DC Current Voltage Digital Clamp Meter Large Color Screen NCV 6000 Counts True RMS Automatic Measurement Smart Digital Multimeter
US$24.99 US$35.34

Q: The photos indicate the meter uses AA batterys and the text description says AAA battery. Which size is required for meter installation?

Asked by ve7it on 2022-12-31 12:22:18

BG014514112 AAA 2x

2023-06-09 01:44:33 Helpful (0)
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Answers (3)
ve7it 09/08/2020
I received V1.4 of this board... it has slight changes to the I/O configuration. These boards are just a blast to work with. Have a look at https://www.thingiverse.com/thing:4565213 for a 3D printed case design in openscad. Software support for these is through the Arduino IDE and libraries from https://github.com/fdivitto/FabGL. If you like esp32, you need more than one of these boards. It can even emulate a whole Altair Z80 computer box and terminal in a few cubic inches or a VIC20 or run all kinds of ancient video games (prehistoric stuff from the 70's or 80's!)..
LILYGO® TTGO VGA32 V1.4 Controller PS/2 Mouse And Keyboard Controller Graphics Library Game Engine ANSI/VT Terminal For ESP32
US$21.99 US$29.99
3
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Comments (1)
ve7it 19/03/2021
This is a comfortable easy to wear product and does seem to help with posture. I use it when doing my daily walks and I do feel I am on 'parade'... shoulders back, chip chin up! I started with the XL size and it was too small. I then ordered the 5xl and it was a better fit. I am a pretty big guy at 110kg (240lbs) and 185cm (6'1"). I suggest ordering big as there is lots of adjustment to make it smaller, but when the straps dont reach... you are SOL.
Fiber Strip Correction Back Kyphosis Correction Belt For Men And Women
US$21.99 US$26.99
0
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Comments (0)
ve7it 04/03/2021
I really like this version of esp32 as it has a few more I/O brought out to pins.
ESP32 WiFi + bluetooth Development Board Ultra Low Power Consumption Dual Core ESP-32 ESP-32S Similar ESP8266 Geekcreit for Arduino - products that work with official Arduino boards
US$13.99 US$16.99
0
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ve7it 04/03/2021
nice pliable hose... I am using for short airline jumpers.
Silicone Vacuum Hose Turbo Radiator Rubber Air Vac Pipe 3m Long
US$9.99 US$11.99
0
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Comments (0)
ve7it 04/03/2021
whats not to like?.... one always needs to get power on and off project boards.
50pcs DC-005 3Pin Black DC Power Jack Socket Connector 5.5*2.1mm
US$4.99 US$6.99
0
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Comments (0)
ve7it 04/03/2021
perfect size for short connections on proto plug boards.
120pcs 10cm Male To Male Jumper Cable Dupont Wire For
US$5.99 US$8.99
0
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Comments (0)
ve7it 04/03/2021
Nice... the units I received had the max3232 chip which operates well on 3v3 supplies.
5pcs DC5V MAX3232 MAX232 RS232 To TTL Serial Communication Converter Module With Jumper Cable Geekcreit for Arduino - products that work with official Arduino boards
US$7.99 US$9.99
0
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Comments (0)
ve7it 04/03/2021
Seems to be well made. I am 6'1" and 240 lbs... I ordered the XL, and it seems a bit small... if odering again I would go up a size of 2.
Adjustable Back Support Belt Back Posture Corrector Shoulder Lumbar Spine Support Back Protector
US$29.99 US$42.99
0
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ve7it 04/03/2021
great product to have on the shelf for high temperature repairs.
High Temperature Polyimide Film Heat Resistant Tape 5 Size For 3D Printer
US$3.99 US$4.99
0
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Comments (0)
ve7it 14/12/2019
These are the coolest little cameras. Picture quality is remarkably good. Even if you don't use the camera this is a screaming fast processor with lots of memory. Programming is a little involved as you require a usb to 3v3 serial cable and a jumper. The sample web camera program is in the expressif examples when you configure the arduino ide for the esp32. There are youtube videos that will help you through the process. The photo shows the connections for 3v3 power, ground and the serial port rx and tx.
ESP32-CAM WiFi + bluetooth Camera Module Development Board ESP32 With Camera Module OV2640 Geekcreit for Arduino - products that work with official Arduino boards
US$16.99 US$23.99
1
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Comments (0)
ve7it 15/12/2019
Very nice gauge. I use it with my 3D printer to level the printing bed. The 3D printed holder design is available on thingiverse.com under my account name of ve7it.
DANIU 0-12.7mm/0.5inch 0.01mm Digital Dial Indicator Electronic Dial Gauge
US$25.99 US$31.99
1
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Comments (1)
ve7it 09/08/2020
One of the nicest heatsink style cases I have found. Highly recommended.
Armor Aluminum Alloy Case Protective Shell Metal Enclosure for Raspberry Pi 4 Model B Only
US$15.99 US$19.99
0
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Comments (0)
ve7it 09/08/2020
Testing in progress. Still hoping I can use this with a laser on the 3d printer for etching PCB's. Interesting stuff!
30CM 1M Portable Photosensitive Dry Film For Circuit Photoresist Sheet For Plating Hole Covering Etching For Producing PCB Board
US$2.99 US$3.59
0
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Comments (0)
ve7it 15/12/2019
Handy to have in the toolbox. I use them for most of the DC connections in my lab.
Excellway® 20Pcs XT60 500V 30A Male & Female Bullet Connectors Plug Sockets
US$6.00 US$11.99
0
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Comments (0)
ve7it 14/12/2019
These were a perfect fit for my cr-10mini. Very nice to have as eventually you will have a nozzle clog up. Its a lot easier to spin on a new one and worry about cleaning clogged nozzle later. Highly recommended.
Creality 3D® 5PCS 0.4mm Copper M6 Thread Extruder Nozzle For 3D Printer
US$10.99 US$19.99
0
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Comments (0)
AC100-240V To DC24V 6A Transformer Power Supply Adapter for LED Strip Light
US$17.99 US$21.99

Q: Is the output fully isolated from the a/c inputs and a/c ground? In other words, is there any continuity between any a/c input pin and any d/c output pin? I need a floating supply where the d/c negative is NOT common with the a/c ground.

Asked by ve7it on 2019-02-09 02:55:31

Dobbyman_69cx There is not have continuity between a/c input pin and d/c output pin.

2019-02-21 12:47:32 Helpful (0)
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Answers (1)
FB03-2500 2500mW 445nm Blue Laser Module 2.54-3P TTL/PWM Modulation DIY Engraver for EleksMaker
US$92.99 US$111.99

Q: What is the focus range? Can it be focused at 50mm standoff or 100mm standoff?

Asked by ve7it on 2019-01-21 10:48:00

Iris Laser Power 2500mW Wavelength 445nm Beam Shape Dot (Focusable) Working Voltage DC 12V

2019-02-10 09:11:14 Helpful (0)
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Answers (1)

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