OPTO isolation slot Good policy - wasn't implemented YOUYOE 858D+ hot air soldering station Intelligence inside A little mishap Painful camera setup 50 chips YOUYUE 858D+ PCB YOUYUE 858D+ PCB That didn't last very long Some shrinking tube for mechanical support An Evil Cable Fixed safety-earth cable Not enough wire That is evil Wire routing Added ISP connector Hopefully the final programming Insulation only works if it doesn't slip Back to an orderly state Propped up A hearty meal Tiny stuff Thermo couple I had to redo the lousy ground wire IMGP8559.JPG Not so safe safety-earth connetion Not so safe safety-earth connetion Doesn't stick and melts when device is on IMGP8557.JPG IMGP8553.JPG IMGP8558.JPG Misaligned bolt hole IMGP8550.JPG IMGP8549.JPG IMGP8552.JPG Should I be concerned? IMGP8538.JPG IMGP8536.JPG Egg warmer OP-70 precision opamp 7805 IMGP8542.JPG IMGP8547.JPG IMGP8541.JPG