Arduino Pro Mini is a microcontroller board based on the ATmega168. With 14 digital io pins. Eight are analog inputs, six are capable of PWM output. Programming and power is done via a six pin header which can be connected to a FTDI cable. The official board was designed and is manufactured by ...
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1answer
15 views
Arduino Pro Mini (5V) Raw Pin and VCC Pin
I am new to the microcontroller world and circuits, so bare with me. I recently bought some 5V arduino pro mini microcontrollers. I have been playing with them and they work fine, I have been powering ...
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2answers
72 views
Is it possible to program a few Ardunios at the same time?
I have 10 Arduino Pro Minis and one Arduino Uno. Via breadboard, if I connect Pro Minis in parallel, can I program all of them at same time?
Is it possible?
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2answers
191 views
Watchdog timer stuck in restart loop? (green led flashing)
I am trying to set up a way to reboot arduino on command. The code below should do that but it seems like my arduino just get's stuck in some sort of a loop where I cant upload or get any serial ...
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1answer
70 views
1 Wire temperature sensor
I bought a waterproof temperature sensor from Ebay, I am fairly new to this and not sure what I need or need to do in order to get the sensor to output the current temperature to the serial monitor.
...
2
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3answers
282 views
Programming arduino via bluetooth module issue
I followed a tutorial on how to setup arduino and bluetooth so it can be programmed without usb cables. I didn't use capacitors or resistors asthere doesn't seem to be a need for them. I have the ...
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3answers
688 views
avrdude: stk500_getsync(): not in sync: resp=0x00
I have arduino pro mini 5V, 16M ATMega328 and CP2102 USB to TTL. I've wired them like this:
When I try to upload a sketch to the arduino board I'm getting the following error:
avrdude: ...
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3answers
386 views
Using 3.3V XBee with Arduino Pro Mini 5V Version
The Xbee requires a 3.3V power input and the Arduino Pro Mini (5V version) only provides a regulated 5V.
Question: What will be the simplest way to provide a 3.3V rail to the XBee from the Arduino ...
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1answer
96 views
Arduino stopwatch, which board to use?
I am planning on making a simple stopwatch with:
A display
One or two additional buttons to start the stopwatch and stop the stopwatch and
maybe reset it.
The problem is that it has to be as ...
3
votes
6answers
432 views
What is the smallest method of connecting an arduino to 110v / 220v?
There are a lot of methods to power an arduino from a large range of voltages
usb cable from pc or from a phone charger or an usb hub
step down convertors
step up converters
switching power supply
...
2
votes
2answers
332 views
Corrupted output from HC-05 Bluetooth module
I have arduino Pro Mini 3.3V version with hc-05 module connected to 3.3V/GND and RXI/TX0 pins. I am then using my android phone to connect to the module. It shows up and pairs fine. Then I use ...
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2answers
640 views
Arduino Pro Mini (3.3V version) input voltage range / tolerance
I have a few Arduino Pro Mini clones (cheap Chinese stuff) and would like to power them with 12V power supply (same as fan voltage). According to the Arduino Pro Mini spec the RAW pin can take ...
