@crispyoz said in Minium connections for Omega2S+: @simonmaltby The design guide has specific details of the required pins: https://github.com/OnionIoT/Omega2/blob/master/Documents/Omega2S Hardware Design Guide.pdf Also for WiFi you'll need either a U.FL antenna or wire up ceramic antenna. Thank you, I had not seen this part. I had missed 3.3v to VIN Flash Now working