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boards:mini [2015/01/20 09:30] – [Boot loader] darronboards:mini [2021/09/12 06:33] (current) – darron
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 \\ \\ \\ \\
 {{:boards:pro16m.jpg?200}} {{:boards:pro16m.jpg?200}}
 +\\ \\
 +{{:boards:proasp.jpg?200}}
 </wrap> </wrap>
  
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 === Pinout === === Pinout ===
 <code> <code>
-3V3 8 Mhz 
-========= 
     DTR TXD RXD VCC GND GND     DTR TXD RXD VCC GND GND
         PD1 PD0         PD1 PD0
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 4   PD4                 PC1  A1 4   PD4                 PC1  A1
 5   PD5                 PC0  A0 5   PD5                 PC0  A0
-6   PD6                 PB5  13 +6   PD6                 PB5  13 SCK 
-7   PD7  LED    RESET   PB4  12 +7   PD7  LED    RESET   PB4  12 MISO  
-8   PB0  PB5    BUTTON  PB3  11+8   PB0  PB5    BUTTON  PB3  11 MOSI
 9   PB1                 PB2  10 9   PB1                 PB2  10
                 PC6 PC7                 PC6 PC7
             GND A6  A7             GND A6  A7
 </code> </code>
 +The above pinout is for the 3V3 example. The 5V example differs in that it places A5 and A4 alongside A6 and A7 at the bottom of the diagram.
 === Power === === Power ===
-We can power the board with VCC up to 5V or utilise the RAW input which will feed the regulator.+We can power the boards with VCC up to 5V or utilise the RAW input which will feed the regulator.
  
 === Communications === === Communications ===
-A [[:interfaces:cp2104|cp2104]] serial module is well suited to connect to the pro mini and is able to supply both 3V5 and 5V for VCC. The photo, top right, shows a cp2104 module in the background.+A [[:interfaces:cp2104|cp2104]] serial module is well suited to connect to the pro mini and is able to supply both 3V5 and 5V for VCC. The photos show a cp2104 module in the background.
  
 === Boot loader === === Boot loader ===
-An arduino boot loader is present on this device which communicates at 57600 baud. This is a reliable speed for a Pro Mini with an 8MHz XTAL but 115200 baud can be used on the 16 MHz device with the  [[:tools:optiboot|Optiboot]] boot loader.+An arduino boot loader is present on these devices which communicates at 57600 baud. This is a reliable speed for a Pro Mini with an 8MHz XTAL but 115200 baud can be used on the 16 MHz device if the  [[:tools:optiboot|Optiboot]] boot loader is installed.
  
 In the arduino IDE, the 3V3 device is selected as an `Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATMEGA328'. In the arduino IDE, the 3V3 device is selected as an `Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATMEGA328'.
  
 === ISP === === ISP ===
-This device doesn't have an ISP connector but we can wire and+The Pro Mini doesn't have an ISP connector but we can wire and
 replace the boot loader, for example, with a [[interfaces:usbasp|USBasp]]. replace the boot loader, for example, with a [[interfaces:usbasp|USBasp]].