blueroomelectronics
Well-Known Member
This is the untested first look at the new layout for the Inchworm. I made a couple of small changes to the original design and added a few extra features.
Plus features
Plus features
- commonly available parts
- basic version is priced the same as the original Inchworm $45 MSRP
- plus version adds
- jumper or switch selectable vpp
- jumper or switch selectable external power
- option for VPP before VDD (Q1 BS250P & R1 4.7K)
- LM2940 on silkscreen (great for running from 6V)
- Power & Busy LEDs now use icons on the silkscreen
- pullup on MCLR (optional)