0
votes
1answer
36 views

What there was before Arduino?

I'm really a fun of Arduino project, it's easy and it has a great community. But i am aware that is has no technological innovation, it is only a wrapper on a (normal?) microchip, if i have understand ...
2
votes
1answer
93 views

Arduino LED brightness switching using pushbutton

I'm trying to switch between 4 different brightness of an LED using an Arduino Uno. I've used analogWrite and not digitalWrite with PWM. The problem i'm facing is that the brightness does not switch ...
5
votes
5answers
293 views

Microcontrollers - Beginner questions

How do you determine how many sensors a microcontroller can use? My understanding is you can't use C# directly on any microcontroller but you can use C# and communicate over the USB and look for a ...
2
votes
1answer
57 views

What are different types of dimmers?

I want to make a dimmer that would regulate the heating of an electric blanket using Arduino. I thought I'd use a Triac dimming circuit design for incandescent lights from the internet. Are those ...
2
votes
1answer
51 views

What type of potentiometer to use for 240v AC power application?

I'm working on my first Raspberry Pi project which is to change the brightness of standard household light bulbs. I have my Raspberry Pi and relay switches which together let me control when the ...
6
votes
1answer
96 views

Is DIL (Dual in Line) a standard?

Here's a picture of two chips next to each other: The ATTiny85 and the nRF24l01+. The ATTiny85 will fit in a standard 8Pin DIL, but the nRF chip won't because the connectors are more tightly spaced ...
-3
votes
0answers
97 views

INTERFACING GSM MODEM WITH ATmega 168 in poroteus [closed]

how do you simulate gsm modem interfaced with ATmega 168 in proteus?What's the arduino code for sending and receiving texts and displaying on an LCD?
0
votes
2answers
92 views

How to detect line level audio signal?

I'm planning to build an automatic switch box for line inputs to my speakers. The switching itself seems fairly straightforward (a pair of de/multiplexers), but I don't know how to detect the audio ...
0
votes
2answers
102 views

Checksum done without microcontroller

How could I transmit data from a device such as a distance sensor or quadrature encoder with an RF transmitter and also transmit a checksum or will I have to use a microcontroller such as the Arduino? ...
0
votes
1answer
105 views

Can I remap a car\bike ECU using CAN bus?

I am thinking to use something like this to connect an Arduino to a motorbike engine control unit (ECU): Arduino CAN-Bus Shield with uSD Card Holder. I never did something like this; using CAN bus, ...
2
votes
1answer
47 views

Can I dynamically change the input clock frequency of the AT91SAM3X8E?

Background: I'm attempting to use an AT91SAM3X8E microcontroller (for Arduino Due compatibility) to create a USB to \$I^{2}S\$ interface. Most \$I^{2}S\$ CODECs require a master clock that is ...
4
votes
1answer
105 views

What is the cap for in Arduino reset circuit?

My Arduino AtMega328P board has this circuit for reset. I understand the switch (LTSpice didn't have a switch symbol) pulls the line low, thats obvious, but what does the cap do when reset comes ...
-1
votes
3answers
111 views

Information delivery through zigbee

I am doing a project in which i have to measure the voltages of a given terminal and send it to other distant system through zigbee. My work plan is like this: I will use an arduino board and measure ...
4
votes
1answer
150 views

Wiring an illuminated toggle switch

I'm trying to build a model rocket launcher circuit. So far I have this The igniter requires 12V and 3A, BAT1 is 12.6V 9800mAh. The arduino input pin should read HIGH when the igniter is connected ...
0
votes
3answers
149 views

How to control 0 to 110 of AC with microntroller rms output of 0 to 5 v

Is it possible to control high current with small rms voltage? UPDATE Do you think that this is gonna work?

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