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This particular device is some version of functional, with some dim display segments and plausibly faulty touch regions. Display/buttons communicate with the main power and relay board using something like serial communications around 1200bps. Reverse engineering the communication protocol to implement an alternative control interface. So far blinky and "singing" CW has been achieved using oscilloscope and logic analyzer dumps and then re-creating the signals using an ESP32-S3 running Micropython.
*https://www.manualslib.com/manual/3150587/Instant-Pot-Omni-Pro.html*https://www.lcsc.com/datasheet/lcsc_datasheet_2304140030_Sinowealth-SH79F1612AM_C181997.pdf*https://www.lcsc.com/datasheet/lcsc_datasheet_1808081643_MBI-MBI5124GP-B_C256866.pdf Note: RXD replaces TX, TXD replaces RX, reciprocal of Front Panel connection. 5 volt and Ground White/Yellow, data Black/Red (WTF). <gallery>BrewBird Coffee Grinds e-waste with Toaster Oven and Air Fryer.jpgInstant Omni Pro Front Exterior Light On 400 F 10 Minute Start Cancel.jpgInstant Omni Pro 08-00 Fully Illuminated Time Display.jpgInstant Omni Pro Oven Target 135 F Partially Dim.jpgInstant Omni Pro Front Panel Access Lower Screws Removed.jpgInstant Omni Pro Front Panel Pyring Off Right To Left.jpg Instant Omni Pro Interior Toaster Lower Heating Elements.jpgInstant Omni Pro Interior Air Fryer Element Fan.jpgInstant Omni Pro Interior Light Rotisserie Drive.jpgInstant Omni Pro Top Uncovered.jpgInstant Omni Pro Left Side Uncovered.jpgInstant Omni Pro Left Side Uncovered .jpg  Instant Omni Pro Locking Spade Connector Back.jpgInstant Omni Pro Locking Spade Connector Front.jpgInstant Omni Pro EK-180X10C-US-P PCB Top.jpgInstant Omni Pro EK-180X10C-US-P PCB Bottom.jpg  Instant Omni Pro EK-180X10A-PRO MBI5124 U5 16 Channel Constant Current IC.jpgInstant Omni Pro EK-180X10A-PRO Flat Flex Connector.jpg  Instant Omni Pro EK-180X10A-PRO BF7615BM44-LJTX WTC5 MCU.jpgInstant Omni Pro Improvised Double FTDI Serial-USB Sniffer Dump.jpgInstant Omni Pro Improvised Double FTDI Serial-USB Sniffer Connected.jpgInstant Omni Pro Improvised Double FTDI Serial-USB Sniffer.jpg Instant Omni Pro EK-180X10C-US-P PCB Relay Board Data Connection.jpgInstant Omni Pro SH79F1612AM Relay Board MCU.jpg Instant Omni Pro EK-180X10A-PRO PCB VCC-GND-TX-RX Tap Close.jpgInstant Omni Pro EK-180X10A-PRO PCB TX-RX-GND Logic Analyzer Connected.jpg  Instant Omni Pro Tek Oscilloscope Message 10ms.jpgHacker Dojo - Tektronix TDS1001B Oscilloscope USB Verify.jpg  Instant Omni Pro Tap Wiring Close.jpgInstant Omni Pro Tap VCC-GND-TX-RX Wiring.jpg  Instant Omni Pro EK-180X10A-PRO On On Off Off 4 Aligned Capture Samples.pngHacker Dojo - Logic 8 saleae Analyzer.jpgInstant Omni Pro TX Tek 1ms - 11110 - 5 Bits 8ms Measurement.jpgInstant Omni Pro TX Tek 250us - 890us Single High Square Wave Measurement.jpgInstant Omni Pro TX Tek 10ms Single Message.jpgInstant Omni Pro TX Tek 50ms.jpgInstant Omni Pro TX-RX Tek 10ms.jpg Whirylbird ESP-32-S3-WROOM-2 32R8V - 0 RST GND TX RX VCC Header.jpg  Instant Omni Pro ESP-32-S3 Breadboard Level Shifter.jpgInstant Omni Pro Test Setup Level Shifter Testing.jpgInstant Omni Pro SIGNLENT 500us ESP32 Tx 5v Level Shift.jpgInstant Omni Pro SIGNLENT 500us ESP32 Tx 3v3.jpgInstant Omni Pro ESP32 Tx Yellow Toaster Tx Purple.jpgInstant Omni Pro Micropython Code Messages.png   Instant Omni Pro Back To School FARS.jpg</gallery>