IO Peripheral PCB - IO from Scratch - Part 9

The last few videos in the IO series have added SPI support and used it to interface a number of devices. In this video I convert the driver circuit and devices onto one PCB to fill the final gap in the Peripherals backplane. PCB in this video was made by the sponsor - Get High-quality PCB Prototype at JLCPCB from Just $2! Sign up to Get $80 in Coupons: https://jlcpcb.com/?from=weirdboyjim The PCB arrived while I was doing preparation work for the file system video and I decided having the SPI devices on a PCB rather than breadboards hanging of the side would be a bit easier. 0:00 Introduction 0:21 Discussion 1:33 Design 2:30 Layout 10:00 Routing 16:37 Ordering 17:47 Unbox 20:51 Place 25:04 Reflow 26:50 Hand Solder 27:56 Test 29:49 Troubleshoot 35:22 Software workaround 37:10 Bodge Attempt 1 38:46 Bodge Attempt 2 42:24 Retest 43:11 Outro