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How to connect a W25Q64 3. 3 SPI Flash to a 5V Arduino Mega? I first intended to use an SD card, but I now found out a W25Q64 128 SPI Flash is more practical, since I don't need to write data However, this W25QXX Flash works with 3 3V SPI and the Arduino Mega has a 5V SPI
Cant enable W25Q for writing (using STM32F103) It has nothing to do with brand new or not, it is the flash technology that it can't write into it unless you erase it first That's why I called it Flash Memory 101! Write_enable is a one-byte command, no data back from the slave, the only thing you can check is whether the SPI transmission is success or not
How do I operate SPI flash with FatFs in small RAM conditions? As most of them are occupied by the application, I can give FatFs at most only 1 KBytes SPI flashes usually have a very large erase unit (e g W25Q64 is 4 Kbytes size) That's the minimum size that FatFs can operate on the SPI flash So how do I solve this problem? Or are there other flashes that can be erased in a smaller unit?
SPI Slave MISO Stuck High - Electrical Engineering Stack Exchange I'm currently trying to connect a Macronix MX25L6406E SPI flash memory chip to a Raspberry Pi so that I can (hopefully) dump it's memory I am using a small Python script to bit-bang the commands
microcontroller - Electrical Engineering Stack Exchange I have SP8-A serial flash programmer and Winbond 25Q32BVSIG chip I want to update only specific part of the data in SPI Flash, not touching the rest data on the chip The programmer Manual does not
Power Supply Design and Heating issue of NodeMcu v1. 0 ESP-12E I have a problem in powering the Nodemcu v1 0 ESP-12E using 9v-1Amp DC external power supply and 7805 voltage regulator (which has heat sink) I am doing a project using Nodemcu v1 0 ESP-12E Nodem