The STM32 is a low-cost and quick way to discover the STM32 value line. It includes everything required for beginners and experienced users to get started quickly.
The STM32 Nucleo board provides an affordable and flexible way for users to try out new ideas and build prototypes with any STM32 microcontroller line, choosing from the various combinations of performance, power consumption and features. Developers who are new to these microcontroller cores and families can also benefit from the range of STM32 Nucleo boards that are specially designed to help developers evaluate device features and start their own applications.
Tenet is providing low cost development boards for the costumers with technical support. If you really wants to work on STM32 Nucleo development boards please find the below mentioned link for more information.
http://www.tenettech.com/product/6480/nucleo-f030r8-development-board-for-stm32
http://www.tenettech.com/product/5739/nucleo-f103rb-development-board-for-stm32
http://www.tenettech.com/product/5736/nucleo-f401re-development-board-for-stm32
http://www.tenettech.com/product/5734/nucleo-l152re-development-board-for-stm32
If you have any technical doubts please drop an email info@tenettech.com