OSC-YTmode-Display Use STM32F1 DAC Disp A graph in OSC Y-T mode 200 x 150 dots 8M HSE PA4 - DAC Output PA9 PA10 - USART Usart Bandwidth: 1500000 AA + Graph Data(200 * 150 / 8 Bytes) + 00 00 00 00(for Clear and Disp) PC App DEMO Video DEMO: