Questions tagged [Arduino] (1086)

"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...

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?

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

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 ._______________________...

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).

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

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 ...

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...

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?

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...