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I am waiting for my board and parts to arrive to build a new OS 3.2, but I’m trying to wrap my head around how I will need to program this. I have a USB to serial module, so is it just a matter of soldering wires to the board and connecting them to the USB to TTL module (aka – No resistors/capacitors required), and then flashing the firmware from the arduino IDE? Or can I just follow the instructions for using node-mcu flasher found here:

https://openthings.attachments.freshdesk.com/data/helpdesk/attachments/production/5097798708/original/os30_usb_flash_windows.txt?response-content-type=text%2Fplain&Expires=1652392625&Signature=ZcM9n53rJO5W-HvWqr7voa44nXDmk3WQpipTLNKuexFo4MW9Y9r3R4SYJjIu0H-chfq34jcsF3uJeUHnessFRDi6skr69hElAkik2mB2KoljJaRid3wOhxmzD93mNLxPFbtNrBEw895ydpNwMHC4RS5if~41Y019WweSSACw2-UJzyL8ITGP4HV7-AFJzAKEUygnSq~rgc4d4niCvSTiMtYRh5cnFTY0hf7aJ6G8Gr1mCYuLqYA5xjDBeurqke6TDNEbuETuxVy3LuIENnOP6xxxiqh4gJPSwDsaWydT-o6YCG3kblMWgilHCNiHaUZr7zO2gvlVoqW6-L6LaSO-qw__&Key-Pair-Id=APKAJ7JARUX3F6RQIXLA

connecting to the board using the usb to serial adapter? Thank you so much.

Edit: After studying the schematic, it looks like I can just use dupont connectors to connect to the JCON0 headers as well. Is that correct?

[HiltbrandHome]

But, if you’re on hardware v2.3, you should be able to update to firmware 2.1.9. that should fix it for you. I’d be interested to know if it does. Where I’m on hardware 2.2, I’ve been left behind and can only upgrade firmware to 2.1.7.

[HiltbrandHome]

Perfect! That worked. I also noticed the BOM files that I found on the forums here have the package sizes as well. Thank you so much!

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