zzzackk
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zzzackk 10/03/2024
Amazing product. Suitable for light duty jobs as the flame is relatively small than the standard torches. Soldering iron works too. The heatgun works too, a little hard to get it started though, requires an external flame to ignite the sides. It also consumes alot of gas resulting in low usage time. Overall, it's a good product, suitable for very light duty jobs.
4 In 1 Portable Soldering Iron Set Welding Pen Burner Blow Torch Gas Soldering Iron Cordless Butane Tip Tool
US$9.99 US$17.99
0
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Convoy M21A SST40 2300lm 6500K 21700 18650 Flashlight White Tint LED Torch
US$21.80 US$47.99

Q: Bonjour, pouvez vous m'indiquer les accessoires sont livré avec cette lampe.?
L'adaptateur 21700 vers 18650 est il livré avec .?
Merci d'avance.

Asked by BG554116816 on 2023-04-19 03:06:09

zzzackk No, unfortunately, it doesn't come with the adaptor.

2023-05-27 10:27:52 Helpful (0)
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zzzackk thx so much for explaining the schematics to us!!

jeever 14/09/2022
The electronics of the GY20451 The version of the GY20451 supplied to us contains only ten electronic parts. Thus, the scheme is quickly reconstructed and worked out in the illustration below. The 12 V supply voltage is converted into 5 Vdc in U1, an AMS1117, to power the microcontroller. Both the input and output of this stabilizer are decoupled with capacitors C5, C1 and C2. LED1 is connected to the 5 V output via the series resistor R1. An STC15W104 is used as microcontroller. It has a built-in clock generator, so no external parts are necessary in this scheme. Two square waves with a frequency of 40 kHz appear at the outputs P3.2 and P3.3. These two signals drive the two inputs of U3, a TCA4427. That is a double 'High-speed Power MOSFET Driver'. The outputs are connected by means of two MOSFETs either to ground or to the 12 V power supply. These two outputs directly feed the two piezoceramic resonators TX1 and TX2.
Ultrasonic Suspension Electronic DIY Production Parts Wave Soldering Training DIY Kit Science Experiment
US$13.99
12
Comments (5)
zzzackk 14/02/2022
Amazing. Seems to be working very well. Very well packaged, wires and screwdriver are provided as well. It's really BANG for the buck!!
NX3 3D Flight Controller Gyroscope Balance For Fixed-wing Aircraft RC Airplane
US$16.50 US$26.39
1
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ESR CESSNA 182 MINI 800mm Wingspan EPO RC Airplane Trainer KIT/PNP
US$94.99 US$199.59

Q: Does this plane include receiver and transmitter?

Asked by zzzackk on 2021-05-13 09:22:23

SteveYEUONG No.

2021-05-15 11:49:20 Helpful (1)
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zzzackk 23/03/2021
Works well! Took me a bit of time for me to get to know how to use it.
150V 10A 150W LCD Digital Adjustable Constant Current Electronic Load Battery Tester Lithium Discharge Capacity Voltage Meter
US$39.99 US$49.99
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