I bought an ARM V9 emulator from Taobao, which is compatible with JlinkV9. I drew a simple board, on which there is nothing soldered except the STM32F030C8T6 microcontroller and the ASM1117 3.3V power...
[align=left][color=rgb(25, 25, 25)][font="]An inductor is a component that can convert electrical energy into magnetic energy and store it. It has the characteristics of preventing alternating current...
The input waveform in front of C44 is a sine wave of about tens to hundreds of mV. After being amplified by the first op amp, it enters the second op amp U7B, where it is still amplified and then conv...
PCB modular layout ideasIn the face of today's electronic products with increasingly higher hardware platform integration and increasingly complex systems, PCB layout should have a modular mindset, re...
Has anyone used Maxim's max30003 to detect ECG signals?
I use nRF52832 to drive max30003 SPI communication is normal, and the verification is correct by reading the values of other registers that have...