Posted on April 26, 2018 at 15:12Hii working on the new project with viper06HS (115khz) -primary regulation .i have a problem , output voltage 12 v on the second winding drop with increase current(connecting load)when i used Light load the output is...

Posted on December 10, 2017 at 11:16Hii'm config evboar  nucleo with CubeMX  the send  data work fine but  recive data with HAL_UART_RxCpltCallbacki's work one time and second time is stuck in  loop anddon't reach to HAL_UART_IRQHandler(&huart1) aga...

Posted on November 12, 2017 at 19:59HII have stm32f407 evaluation boardI use SPI with DMA to read/send the valuesin the evaluation board have accelarometer(spi-connect)this is the data i want to send and i shuold be get acc(x,y,z)TX_Buffer[0] = 0xA9...

Posted on August 20, 2017 at 16:20Himy name is pini i work on new project AC/DC converterthe input is 85-265 VACoutput  12vdc/350mAaxiliry :16vdcchip:viper013HSI work with a midcom transformer 750370024 and viper013hs I don't how to set this transfo...

Posted on December 21, 2016 at 22:00i have question about accelerometer of stm32f4 LIS302dl version why i get wrong data of  pitch and roll angle ? mySPI_SendData(0x20,0xC7); //LIS302D Configacc_pitch = atan2(acc_x, -acc_z)*180/M_PI; acc_roll = -ata...