Georgie
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Georgie 20/03/2022
Fantastic quality board for a fantastic price. I already had the CH340 USB driver installed for a different board so the NodeMCU worked right away with Arduino IDE. There are 3 main ways to use this: - Program it using Lua, I believe the firmware it comes with supports this although I didn't try it. - Write code for it in Arduino IDE (C++). This is the most flexible and highest-performance option, and gives you access to extensive libraries available in Arduino IDE with one button click. Environment is very similar to coding for Arduino. - Use it as a "dumb" WiFi peripheral with AT commands sent over the serial port from another CPU (Hayes modem style). The firmware you need to load for this is fairly easily found on the web. Note that it's wider than some other NodeMCU boards so it doesn't leave any connection points available beside it when on a standard project board, but this is easily solved using some non-stranded hookup wire connected underneath.
Geekcreit® Wireless NodeMcu Lua CH340G V3 Based ESP8266 WIFI Internet of Things IOT Development Module
US$3.34 US$9.99
3
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Georgie 06/06/2022
One star removed because I had to add a component to make it work. The 8051 microcontroller was shutting down on every attempt to weld. I added a 470 uF capacitor across the 5V power rail supplied by regulator U1. Battery voltage was steady enough and not the main cause of this problem. Probably other capacitor values would work but I have not tested. If your board is shutting down (LED turns off) then try adding a capacitor as shown in my pic. This is on the newer rev of the board with opto-isolator (fat 4-pin chip).
DIY Portable Battery Storage Spot Welding Machine PCB Circuit Board Welding Equipment Spot Welders for 18650 26650 12V
US$19.94 US$34.99
2
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Georgie 19/09/2020
These connectors are ok for the price but not as good quality as ones marked Amass. The metal parts fit fine but the plastic shells fit together a bit loosely. Plastic finish quality is fair, on some of the connectors I had to pull off manufacturing debris / excess plastic. Some of the metal pins were rotated from their normal orientation, some became easy to turn after soldering. Inclusion of heat shrink that's exactly the right size is nice, it seems a bit thin.
10 Pair URUAV XT60 Male Female Connectors Power Plugs with Heat Shrink Tube for Lipo Battery
US$8.39 US$14.99
1
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Georgie 06/06/2022
Good.
5M Pure Nickel Strip 99.96% 18650 Battery Spot Welding Machine Welder Equipment Nickel Belt for Battery Packs
US$5.99 US$12.98
0
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Georgie 19/09/2020
Good quality cables and connectors.
JST-XH 2S 3S 4S 5S 6S LiPo Balance Cable Charging Power Wire 10CM
US$8.39 US$11.99
0
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Georgie 28/08/2020
Good for the price, wires are a bit thin but I'm using two of these as-is to connect two 18650s to my charger, may replace the wires later.
3pcs 1 Slots 18650 Battery Box Rechargeable Battery Holder Board for 1x18650 Batteries DIY kit Case
US$6.29 US$8.99
0
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Georgie 28/08/2020
ok
Matek DC-DC Voltage Booster 1S Lipo to 5V Synchronous Step Up Converter
US$10.39 US$15.99
0
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Georgie 28/08/2020
I'm using these in a small 4k camera and also for a Raspberry Pi, work great.
MIXZA Shark Edition Memory Card 16GB TF Card Class10 For Smartphone Camera MP3
US$6.60 US$11.99
0
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Georgie 19/07/2020
These antennas really work, no nonsense, fairly easy to connect 2 of them to my Flysky transmitter. Range is improved by 33%. Any antenna with more gain will be more directional so be sure to aim them horizontally at your aircraft, don't point the tip.
2.4GHz 6dBi 50ohm Wireless Wifi Omni Copper Dipole Antenna SMA To IPEX For Monitoring Router 195mm
US$2.64 US$6.99
0
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Georgie 25/01/2018
As spinners these are not mechanically the best, fairly noisy bearings. However the display and synchronization of messages as it spins is excellent. Overall great for the price. I recommend the PC software which works quite well but the user interface is a bit odd. Some parts are hard to find so I've made a ZIP file available including: - Driver (Zadig-2.3.exe) - Interface app (Hand_SpinnerAPP.exe) - Editing program that lets you design any graphics you want as a bitmap or import existing bitmaps (FidgetSpinnerEditor.exe) Download here: https://drive.google.com/open?id=1WM61BZeEZxCOD_iNrcAEic-Ao7xs_Lnz
MATEMINCO Intelligent LED APP Control Fingertips Gyro Rotation Chargeable EDC Hand Spinner
US$10.99 US$17.99
1
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Comments (1)
20A Double Sides Brushed ESC For RC Car/Boat
US$8.21 US$16.99

Q: I need an esc which can take 3s lipo batteries (12v). Please suggest me one!

Asked by Jaswanthraj Kalimuthu on 2018-05-28 03:11:18

Georgie I bought this ESC and ran it on 3S successfully, although the battery was not fully charged (about 11.5V). One commenter also mentions 3S works. It's cheap enough, try it and it will probably work on 3S for you. It has a BEC as well to run your receiver if needed, and you can turn the braking function on/off, which I needed to implement tank-style steering. Overall a great ESC!

2019-11-08 10:47:08 Helpful (1)
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Answers (3)
Georgie 04/07/2019
Great little quad, flies well on 2S, 3S, and 4S. Note the current official iNav version (2.2) does NOT work on Tyro79 but I raised an issue on Github and the lead iNav developer put in a fix that should be in the 2.3 release (MATEK411 target). If you look up the issue on Github you can find a link to a test build that works now: https://github.com/iNavFlight/inav/issues/4863 If using iNav reduce your PIDs, especially yaw 'P' value which needs to be reduced to around 40 or you might get horrible vibrations. Reduce yaw 'I' value proportionally. Also reduce pitch/roll PIDs to about 40% of the defaults.
Eachine Tyro79 140mm 3 Inch DIY Version FPV Racing RC Drone F4 OSD 20A BLHeli_S 40CH 200mW 700TVL FPV Camera
US$119.69 US$136.99
0
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Georgie 09/05/2019
Works well after some experimenting with the primary coil wire. If led 2 lights up (power) but led 1 doesn't don't give up, check your coil connections and reposition the primary coil wire. You should glue down the secondary coil (L2) and use only one turn (maybe 1.5 or 2) of the primary coil wire (L1) near the bottom (but not so low that it's below the secondary windings). Try both winding directions to see what works best. Before soldering the fine secondary coil wire carefully scrape the enamel off the very end with a small piece of folded sandpaper. I cut the primary coil wire leaving just a short piece long enough for one turn but then it didn't work as well (oscillations mostly stopped), went back to the longer piece of wire. So don't cut, bunch up the extra wire and leave it hanging to the side. With an old 15V laptop power supply I get about 5 mm of spark and the neon bulb lights up 8 cm away (3 - 4 inches). Only run it for about a minute at a time because one of the transistors gets very hot.
Geekcreit® DIY Mini Tesla Coil Module Unassembled 15W DC 15-24V 2A Plasma Speaker Electronic Kit
US$2.99 US$6.54
0
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Georgie One18650 will do, that's what I'm using.

jeremy 12/08/2019
Havent got working as yet - you need 5v, 3 amp power supply - some perhaps some 18650 batteries in parallel?
EQKIT® Arc Ignition Lighter DC3-5V 3A DIY High Pressure Electronic Lighter Module Kit
US$2.99 US$6.49
0
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Eachine Tyro79 140mm 3 Inch DIY Version FPV Racing RC Drone F4 OSD 20A BLHeli_S 40CH 200mW 700TVL FPV Camera
US$119.69 US$136.99

Q: Does the FC board come already "flashed" with BetaFlight firmware?, if so what version?

Asked by bills on 2019-01-07 07:22:16

Georgie Note the current official iNav version (2.2) doesn't work on Tyro79 but I raised an issue on Github and the lead iNav developer put in a fix that should be in the 2.3 release (MATEK411 target). If you look up the issue on Github (iNavFlight iNav issue 4863) you can find a link to a test build that works now.

2019-07-04 10:24:22 Helpful (0)
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Answers (4)
Eachine Tyro79 140mm 3 Inch DIY Version FPV Racing RC Drone F4 OSD 20A BLHeli_S 40CH 200mW 700TVL FPV Camera
US$119.69 US$136.99

Q: Is this compatible with the Flysky i6

Asked by jackdp0311 on 2019-04-28 03:40:18

Georgie For Flysky I recommend Flit10 mini receiver and iBus control. Flit10 is available on this site.

2019-07-04 10:20:05 Helpful (0)
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Answers (4)
Eachine Tyro79 140mm 3 Inch DIY Version FPV Racing RC Drone F4 OSD 20A BLHeli_S 40CH 200mW 700TVL FPV Camera
US$119.69 US$136.99

Q: Wich firmware board betaflight is the one we need to load for this quad?

Asked by Ivanho on 2019-01-10 05:09:03

Georgie In Betaflight use board MATEKF411

2019-06-21 01:01:06 Helpful (0)
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Answers (2)
MIXZA Shark Edition Memory Card 16GB TF Card Class10 For Smartphone Camera MP3
US$6.60 US$11.99

Q: Is it really class 10?I don't see it in the image

Asked by tejassangam on 2018-02-04 09:47:56

Georgie U1 symbol is equivalent to class 10.

2019-06-20 06:42:42 Helpful (0)
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Georgie 10/10/2019
Excellent car adapter... the digital display cycles between car battery voltage, output voltage (5V), and output current to nearest 0.1 Amp.
Nickel Color CAFELE DC 12-24V 4.8A Universal Car Charger Dual USB Fast Charging Zinc Alloy Smart LED Display
US$14.60 US$17.53
0
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Georgie 25/03/2019
I got the black one... really good ink. I have a very old (10 yr+) inkjet cartridge that I keep refilling, this ink works great and did not clog the head after printer was off for several days, next page was perfect.
Universal 100ml Replacement Refillable Refill Bulk Ink For HP Lexmark Inkjet Printer Cartridges
US$6.48 US$9.72
0
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