I'm starting to back away from the Nano a little. The STM32F103 (aka "Blue Pill") is about the same size as the Nano, but is clocked at 72MHz rather than 16MHZ. It has 128K of flash memory (Nano 32K) and 20K of SRAM (Nano 2K). The real limitation of the Nano is the SRAM, as that's where your data is stored. I bought 10 STM32F103's for a little under $30, or less than $3 each. The STM32F103 can be programmed in the Arduino IDE and most, if not all, of the libraries are available for it. There are YouTube videos/Instructables about programming/using it.
Jack, W8TEE
On Monday, March 18, 2019, 1:25:11 PM EDT, Laurence Oberman <oberman.l@...> wrote:
Allison is correct, its the nano that has the extra pins.
I guess you meant the Arduino Mega, that has many more pins but its a large board
Online shows Arduino UNO is one of the most famous board in Arduino family after Arduino Duemilanove. It is the latest design of the basic USB board. It comes with 6 analog inputs, 14 digitals output where 6 of themsupport PWM, and 16Mhz clock speed.
Nano It is more or less same functionality as the Arduino UNO but in different package. Instead of using the standard USB to connect to the computer, it uses the mini usb but without the power plug for external power source that built on Arduino UNO. The dimension of Arduino Nano is only 43mm x 18mm, it comes with 6 PWM I/O from the total of 14 digitals I/O, 8 analog inputs, 16Mhz clock speed and 32kB of flash memory.
On Mon, Mar 18, 2019 at 1:20 PM ajparent1/KB1GMX <kb1gmx@...> wrote: > > Nano has all the pins of the Uno and two more.? THe nano has AD6 and AD7 not on the Uno. > > Allison >