Questions tagged [Arduino] (1086)

2
answers

Power consumers from a single source?

"Arduino pins are considered to be managers. Feed them a serious a consumer is not worth it, even if it works." - write in a variety of Internet sources. Do I understand correctly that you should not have any adruino from USB, with 5V to send to some powerful servo or led strip? Can I take three AA batteries 1.5 V with them...
Ludie asked April 4th 20 at 14:15
4
answers

For what it is necessary to unite the land?

Often notice what you write about the need to unite the earth for the circuit breaker. For example Arduino and some consumer. Why I have to make?
kole35 asked April 4th 20 at 14:15
6
answers

What would you recommend switches that are controlled via Ethernet?

The problem arose over Ethernet to enable a simple light bulb 220 volts. Are there any simple triggers/switchers that are controlled via Ethernet?
1
answer

Need help with led matrix 4x4 (?

Hello, ordered in China led matrix 4x4. I was looking for the name of this module(WCMCU-2812B-16) how to connect it to Arduino not found. Tell me, good people If anything, the Pinout is this (. - contact output, _ nothing) GND .__________________________. GND VCC .__________________________. VCC OUT ._______________________...
Brett.Jaskols asked April 4th 20 at 13:02
1
answer

How to make mit app inventor 2 took the hex?

The crux of the matter, I pass the data from Arduino Serial.write(10); (in HEX),it is necessary that mit app inventor 2 took this (HEX required).
devante_Hickle asked April 4th 20 at 12:41
4
answers

Can I power 2 servo at 5V using Arduino?

You will not burn an Arduino Uno? She Arduino is powered from an external electricity source at 7.5 V. the name of the servos - Parallax Continuous Rotation
3
answers

How to flash the ESP-01S using Arduino Uno CH340G?

There is a Arduino Uno CH340G, ESP-01S, Bi-Directional Logic Level Converter (BD-LLC). Connect all this business in the following way:Arduino - BD-LLC 5V - HV 3.3 V - LV GND - GND RX - RX (HV) TX - TX (HV)ESP-01S - BD-LLC RX - RX (LV) TX - TX (LV)ESP-01S - Arduino 3V3 - 3.3 V EN - 3.3 V GND - GND When you enable the Serial ...
Kenton_Kuhic asked April 4th 20 at 12:21
1
answer

How can I play short sound file on the Arduino?

Good day! Want to collect Pribluda for scoring shots like the toy guns/machines. On Arduino because I want to be able to change the sound speed and so on, can still something to tweak. The place is extremely small, in width just like a Arduino nano and a length of about 20 cm Without taking into account the dynamics estesno...
Dorian_Ruecker64 asked April 4th 20 at 01:40
2
answers

How to create Flash from USB HID arduino leonardo atmega32u4?

There are arduino leonardo atmega32u4 on Now the system is defined as a HID keyboard and mouse. For this functionality you need to add below was defined as flashcards with the ability to read and write. Any idea how to implement?
Dayton65 asked April 4th 20 at 01:31
6
answers

Is there a more powerful analogue of the LM338?

Is there a more powerful analogue of the LM338? In our projects often use the LM317, the IC is well-proven ease of connectivity and functionality. Personally, I like feature - built-in short circuit protection. Ie. a simple stabilized power supply LM317, the output of the if to close the two wires that triggers the protect...
Rae_Bra asked April 4th 20 at 01:06