MilanCRO
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MilanCRO 14/02/2019
Excellent low noise microphone amplifier + electret microphone on it. Power it either with 3.3V or 5V, you may feed directly out to your Arduino ADC input. The output from this preamplifier is about half of the VCC voltage. There is AGC (Automatic Gain Control), but it may be bad if you want use it as YouTube microphone for your computer - while not talking, all background noises are amplified. To disable AGC, short together pins 13 and 14 on the chip, or better to adjacent resistors with designations "222" and "154". This way audio is more silent when not talking close to the microphone. I found also useful pre-amplifier for other things where no need bias resistor, just "raw" analog input. In this case use soldering iron and remove 2.2 kOhm resistor (designation "222"). This way bias voltage will be not present on input pin (just unsolder microphone capsule) and you have really great pre-amplifier for your projects (radio communications, various detectors, and so on). I will provide picture with place where to make short if you want to disable AGC. Next to this spot is resistor "222" which can be also removed together with microphone for use to other purposes as a high quality and low noise pre-amplifier. Bandwidth of this preamp is about 35 kHz.
MAX9814 Højtydende Mikrofon AGC Forstærker Modul CMA-4544PF-W
US$4.99 US$10.99
5
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MilanCRO 20/04/2019
Excellent board for learning Python and things about MCU. And good thing is that accelerometer - that is really exciting to learn that too. Just plug and play - there is already installed Micro Python inside. It will open main folder with boot.py and main.py - change main. py with your code and click on run (I am using uPyCraft). Plenty of space - 1 MByte of flash memory, 192 kByte of RAM. Not to mention fast speed of 168 MHz. Really worth investment. I regret did not bought two boards, but will do.
PYBoard MicroPython Python STM32F405 IoT-udviklingskort Geekcreit til Arduino - produkter, der fungerer med officielle Arduino-boards
US$28.77 US$31.99
0
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MilanCRO 01/04/2019
Cheap yet excellent climber. Not proportional controls, but fun to drive anyway. Pure joy. Battery is bit old style: Ni-Cd, but I think it can be upgraded to Li-ion or Li-Poly with appropriate charging adapter. Recommended product. Thank you Banggood again.
Flytec 9118 1/18 RC bil 2.4G 4WD Alloy Off Road Climbing Vehicle Model Gaver til drenge voksne
US$35.99 US$59.99
1
anbefalinger
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MilanCRO 02/04/2019
Flytec 9118 1/18 RC bil 2.4G 4WD Alloy Off Road Climbing Vehicle Model Gaver til drenge voksne
US$35.99 US$59.99
2
anbefalinger
Kommentarer (2)
MilanCRO 18/03/2019
Good, simple but good. Small footprint, fit everywhere. thanks
5 stk Sort Trykknap Mini Switch 6A-10A 110V 250V KCD1-101 2-stift Snap-in On/Off Rocker Switch
US$1.99 US$2.99
0
anbefalinger
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MilanCRO 18/03/2019
Excellent resistors. Just wanted more values, but hey, for that price... Thanks.
Geekcreit® 600pcs 30 typer Værdi 1% 1/4W Metal Film Modstand Assorted Kit 20 stk hver værdi
US$2.99 US$8.69
0
anbefalinger
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MilanCRO 15/05/2019
Drillpro Mini Aluminiums Håndbor med nøglefrit Chuck og 10 stk Twistbor Rotary Tool
US$9.99 US$11.99
1
anbefalinger
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MilanCRO 15/05/2019
Excellent and really pro DrillPro tool for hand drilling. Also, I am using small pieces of screwdriver - better than any original screwdriver that has finger support. Drilling and everything else is now really easy and drilled holes are perfect.
Drillpro Mini Aluminiums Håndbor med nøglefrit Chuck og 10 stk Twistbor Rotary Tool
US$9.99 US$11.99
0
anbefalinger
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MilanCRO 03/05/2019
JJRC Q65 2.4G 1/10 Jedi Proportional Control Crawler 4WD Off-Road RC Car
US$59.99 US$71.99
1
anbefalinger
Kommentarer (0)

MilanCRO Really good stuff.

MilanCRO 21/04/2019
PYBoard MicroPython Python STM32F405 IoT-udviklingskort Geekcreit til Arduino - produkter, der fungerer med officielle Arduino-boards
US$28.77 US$31.99
0
Kommentarer (1)
MilanCRO 21/04/2019
PYBoard MicroPython Python STM32F405 IoT-udviklingskort Geekcreit til Arduino - produkter, der fungerer med officielle Arduino-boards
US$28.77 US$31.99
0
anbefalinger
Kommentarer (1)

MilanCRO Good!

MilanCRO 02/04/2019
Flytec 9118 1/18 RC bil 2.4G 4WD Alloy Off Road Climbing Vehicle Model Gaver til drenge voksne
US$35.99 US$59.99
2
Kommentarer (2)
MilanCRO 18/03/2019
The boxes are super for collecting small parts. Excellent stuff on Banggood.
10-rums plastik gennemsigtige slidser Justerbar Organizer Craft Box
US$4.53 US$5.43
0
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MilanCRO 15/01/2018
XANES GD01 G301 Justerbar Focus 532nm Green Light Laser Pointer
US$10.99 US$13.99
6
anbefalinger
Kommentarer (0)
MilanCRO 15/01/2018
Although it says less than 5 mW, I measured 88 mW on mine. I believe that each one may be slightly different, but for this price - no complain. Excellent laser pointer.Thanks Banggood.
XANES GD01 G301 Justerbar Focus 532nm Green Light Laser Pointer
US$10.99 US$13.99
2
anbefalinger
Kommentarer (0)
MilanCRO 02/01/2018
Orico H3TS-U3 High Speed 3USB 3.0 Ports Multifunktionelt Hub med SD & TF Card Reader
US$19.99 US$23.99
0
anbefalinger
Kommentarer (0)

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