Tagged Questions

1
vote
3answers
253 views

How do I control a two 12VDC 10A motors using an Arduino?

I am new to arduino and electronics in general but I need some help on a project I am working on. Essentially I want to be able to control the state (on/off) and direction of two linear actuators that ...
3
votes
1answer
303 views

How to stop a switched current affecting an IC?

I have 10 circuits each consisting of a Touch IC (Atmel at42qt1010) and electrode, and 2 x 350mA Constant current regulators (NSI50350AST3G) and LED's. All connected to a Arduino Mega, by ~1 meter ...
-1
votes
1answer
111 views

Mobile Server Uplink / GPS Coordinate Packet? [closed]

I'm completely uneducated when it comes to more advanced electrical engineering. I understand the very basics. I have over 12 years in software development / programming, but would like to extend my ...
0
votes
1answer
672 views

TLC 5940 PWM driver blank input and pull-up resistor

I've read some of the data sheet for the TLC 5940 and it states the following about the BLANK input: Blank all outputs. When BLANK = H, all OUTn outputs are forced OFF. GS counter is also reset. ...
1
vote
2answers
379 views

Using Low votage audio amplifier with a load cell

I am trying to hack a scale so that I can read the data onto my Arduino. There are four piezo sensors, one at each foot, in the scale. Obviously I can't just read straight off of the sensors, so I ...
0
votes
2answers
1k views

How to Cascade 4017 Decade Counters?

I am creating a 16 by 16 LED Matrix using 74hc595 Shift Registers to address the columns and using 4017 Decade Counters to control the row. I am using the 4017's in connection with a transistor to ...
1
vote
2answers
297 views

Triggering buttons with a diode

total newbie here. I was reading this post: http://dduino.blogspot.com/2012/02/trigger-buttons-with-arduino.html It is basically trying to trigger a button in an IC from an arduino(green) pin. I ...
0
votes
1answer
436 views

Arduino to act as a switch for a remote

I have a wireless remote control for a light. It runs with a 12V battery. It has two mini Omron type B3F momentary ON switches (mini push-button switches). One button is for Light ON, the other for ...
0
votes
2answers
322 views

Wiring a capacitive touch sensor to the Arduino?

I have just recently bought a few different ic's from Mouser.com, not thinking i never even looked to see if i could use them. I Wound up getting a few Azoteq IQS128 capacitive touch sensors, but I ...
3
votes
1answer
888 views

Arduino and a FSK Demodulator IC?

I am really trying to get a decent wireless system with my arduino + amateur radio. I found this IC that decodes FSK signals, and was wondering if it could help me with decoding AFSK 1200baud signals. ...
0
votes
1answer
258 views

4094N VSS Supply Pinout Error?

I'm currently building an Arduino based LED driver using a set of three CD4094's, I'm slightly unsure of an error I'm getting with my Eagle schematic. The error message reads: 'No SUPPLY for implicit ...
4
votes
3answers
1k views

basic arduino question - do I need a 555 timer?

I have an Arduino (duemilanove) connected to a floppy disk drive and I can happily control the stepper motor using three pins on the ribbon cable to three digital pins of my Arduino (well 2 + the ...