Unlocking the STM32F4 Discovery board with OpenOCD

Update : This will only be needed if you're running OpenOCD from before Jan 16 2015 on Big Endian machines. The problem is fixed in later builds. I'm not sure this applies to all STMicroelectronics...
FemtoBeacon may be the world's smallest wireless IMU

In recent months, the Femtoduino crew has been hard at work developing a range of new boards, including their highly-popular IMUduino BTLE , and even more recently, the uber-mini FemtoUSB . Now, after...
regarding pwm issue in stm32f4 discovery board

hi all, i am using the stm32f4 discovery board to drive my stepper motor in the rpm of between 0.001 to 500 RPM. for this i am using pwm. my clock frequency is 32MHZ and prescale for ABP1 is divided...
ethernet connection program stm32f4 discovery board

Hi, I am doing my pump project using stm32f407vg controller. I want to control my device through pc. where i have developed a .NET software for various parameters. through that i want to control the...
question about wireless sound transceiver

hi i want to design a circuit that performs as follows: a microphone gets the analog signal and then the signal is amplified using lm386 and then the analog signal is converted to digital with an arm...