I bought an Adafruit Sharp Memory Display breakout. It's a 400x240 monochrome display driven by SPI. It can run on either 3.3V or 5V. The memory mapping is simple - just sequential bytes with one bit per pixel - 50 bytes per line. The SPI is LSB-first with active-high CS.
I know that in my previou...
Ordered and received some W25Q128 chips from Digikey to give the Black Pill another 16MB of flash memory. First I soldered on the decoupling cap. The pads for the it are 0402. The smallest cap I had was a 0603. It fit - barely. Then I soldered on the chip. No problems. SOICs are easy. Here it is sti...