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Matek Systems F405-WING (New) STM32F405 Flight Controller Built-in OSD for RC Airplane Fixed Wing
US$64.99 US$73.19

Q: Is the chief difference between the WING version and the STD version the extra servo ports and extra servo power? Any other reason to go with WING over STD?

Asked by Woodchuck on 2018-10-13 02:04:44

handstek std is for quad copters no 5v on outputs . wing is for plane as it has 5v voltage out for servos

2018-11-22 08:04:49 Helpful (1)
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Seeeduino XIAO Microcontroller SAMD21 Cortex M0+ Compatible with Arduino IDE Development Board
US$13.99 US$16.99

Q: How many bits resolution of ADC?

Asked by Woodchuck on 2020-08-18 11:18:05

suzdaliev According to chip datasheet, it is 20-channel 12-bit adc seems pretty nice

2020-09-01 03:23:03 Helpful (1)
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Woodchuck 18/04/2020
This is a brilliant move by Banggood to provide these very high quality, gently-used high-power-factor SMPS modules to the DIY induction heating community. The module I received was in good shape and works perfectly. It is exactly what was has been needed for a long time on my power electronics workbench. They even went to the bother to provide a their own edge-board connector to facilitate the use of this module. Someone somewhere in China is making great decisions that benefit many people.
3000W AC220V-250V to DC 48V 62A ZVS Heating Switching Power Supply R48-3000e3 For Induction Heater
US$98.99 US$139.40
1
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Woodchuck Use cyanoacrylate to glue ferrite cores back together. Works better than you might think.

manumartin 11/01/2020
Me llego rota por fuera y por dentro, tiene 2 piezas de ferrita rotas, en cuanto a funcionamiento saca 48 voltios pero en cuanto le metes carga de 25 amperios cae el voltaje a 25 voltios, no alcanza los 50 amperios ni de coña Es un engaño total
AC 200V-250V To DC 48V 60A 2900W Power Supply For ZVS High Frequency Induction Heating Module
US$146.99 US$164.99
3
Comments (1)
IRS2092S 500W Mono Channel Digital Amplifier Class D HIFI Power Amp Board With FAN
US$10.99 US$13.99

Q: plz give wiring diagram

Asked by AJITHKUMAR on 2018-12-11 01:36:36

Woodchuck If there is an input-output legend on on the silkscreen layer of my board, it would have to be underneath the connector blocks. I determined the correct connections by looking at the traces on the solder side of the board and the polarity of the electrolytic capacitors. Ground is common to power input, signal input, and signal output. The rest is determined by process of elimination.

2020-01-30 01:44:30 Helpful (0)
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Woodchuck 05/01/2020
Module works great! Regulation is tight, efficiency is high, and the pot adjusts across the entire advertised voltage range. The heat spreader is well-made and mounted securely. One of the 400V electrolytic caps arrived dented, probably as a result of shipping. I have plenty of Nichicon 450V 10 uF caps on hand so I replaced the dented cap before first use.
ZVS DC-DC 45V To 390V 5A Adjustable Regulator Voltage Booster Module Capacitor Charging
US$8.99 US$11.99
0
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Woodchuck 12/02/2019
I like this watch very much! It syncs perfectly with my cellphone, and by so doing keeps outstanding time. The time display is wonderfully visible, even for those that might otherwise need reading glasses to read their watch. One charge seems to last forever. The magnetically coupled charger clip works great. The band is comfortable and easy to put on and take off. Finally, the accelerometer-based display enabling works perfectly!! That feature simply couldn't be any better, imho. I bought the watch just for displaying time. Therefore I don't know how well the other features work. The only way they impact me is that the multitude of screens are a nuisance to scroll through. I wish I could simply disable them entirely.
XANES F15 1.3" IPS Color Screen Waterproof Smart Watch Heart Rate Monitor Fitness Bracelet Fitbit Mi Band
US$31.99 US$38.99
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High Power 10W 20W 30W 50W 70W 100W COB LED Lamp Chip for DIY Flood Spot Light
US$6.99 US$8.99

Q: Do you solder wires to the board or do you use spring-loaded pins?

Asked by Woodchuck on 2018-11-20 01:04:23

Brou haha You can solder wires to the board.

2018-12-04 02:25:03 Helpful (0)
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Answers (1)
20W 30W Full Spectrum COB Chip LED Grow Light for Indoor Vegetable Plant Flower Seeding AC220V
US$6.99 US$8.99

Q: For electrical connections, do I use solder or spring-loaded pins?

Asked by Woodchuck on 2018-11-20 12:56:44

Mcmclendon I think you can use solder.

2018-12-04 02:24:40 Helpful (0)
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Woodchuck 29/07/2018
I'm delighted by the design and execution of this airplane kit. Surface finish is excellent. All the pieces fit well. The plane is very strong yet light. The cockpit is roomy for a plane of its size. Everything has been well thought out, resulting in a kit that is inexpensive to produce yet a delight to build and fly.
Skywalker Falcon 1340mm EPO Flying Wing FPV RC Airplane KIT
US$44.99 US$57.39
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