Deek-Robot Pro Mini
The Deek-Robot Pro Mini is the most available Arduino Pro Mini clone. The Deek-Robot Pro Mini has no I/O
connectors, or USB to Serial converter. It is available in a 16MHz / 5V version only.
Deek-Robot Pro Mini
The Deek-Robot Pro Mini is nearly identical to the Sparkfun Arduino Pro Mini. It has all of the I/O of the Arduino
Uno, plus two more analog inputs. There is only a 5V version of the board. The "extra" I/O is at the end opposite the
programming connector. This is slightly different than the Sparkfun Arduino Pro Mini boards, which have the analog
pins in an unhandy position in the interior of the board. Either way, you can't put pins in them and use them on a
breadboard (the pins would need to point up). With the Deek-Robot Pro Mini, the extra pins at the end are at least
on the same 0.1" centers as the rest of the connectors, even though A4 and A5 are off by 0.05".
The Deek-Robot Arduino Pro Mini is probably the most ripped off board (/pages/arduino-knockoffs) there is.
Everyone is counterfeiting the board, or at least stealing the name. That is likely because it is the most popular of
the small form factor boards by far.
hƩp://arduino-board.com/boards/dr-pro-mini
Figure 2.
The Deek-Robot Pro Mini with an Arduino Pro Mini
This is one that came direct from the source at Deek-Robot.
Why even buy something like this? Isn't it just an ATmega328 with some supporting circuitry? Yes, it is, and it is
often less expensive than the ATmega328, if you can wait for the 2-3 week delivery time. If you do a lot of things
with Arduino's you can buy these things by the tens for $3.50 each, including shipping. The amount of time it saves
to use one of these, rather than breadboard some parts, more than pays for the board not once, but each time we
have to do it. We get them direct from Deek-Robot via their AliExpress web store (http://www.aliexpress.com/store
/all-wholesale-products/236095.html). Getting them anywhere else is an iffy thing. Almost every one we've seen is a
knockoff, or someone just trying to cash in on the Deek-Robot name.
A size comparison of the four small form factor Arduino boards (/info/comparison-of-small-form-factor-arduinos) is
helpful to see where the Deek Robot Pro Mini fits in the tiny Arduino board lineup.
Deek-Robot Pro Mini
Parameter
Value
MCU
ATmega328
DigitalPins
14
PWM
6
Analog Inputs
8
Analog Outputs
0
Operating Voltage
5
Operating Frequency
16MHz
3.3V Output
None
Test Current Draw
18mA
Web Site
Deek-Robot (http://www.deek-robot.com/Shopping.asp)
Notes
1. Information from manufacturers and other sources.
2. Test current from sketch that exercises I2C, SPI, and analog pins.
hƩp://arduino-board.com/boards/dr-pro-mini
Figure 3.
Deek-Robot Pro Mini Pinout
The pinout of the Arduino Mini is generally shown with A4 through A7 on the analog side, but the Deek-Robot Pro
Mini has only A4 and A5 located there, while A6 and A7 are on the end of the board, with an extra ground.
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