Multipurpose ESP based IoT vehicle system.
Work in progress. Currently Untested
Hardware initial revisions.
This project is named for my good friend Caitlin's Roller Derby Name "Dirge" who asked me about solutions for placing sensors and automation around her bus conversion project.
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TPS54202 Based 12V to 5V Converter
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Dual AO4407A 30V 12A Switching channels (12V SW1 & SW2)
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12V Input Voltage Monitoring
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AHT20 Temperature/Humidity Sensor
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Jumper selectable Supply MCU 5V from USB, 5V BUS or 12V Supply
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Enable/Disable 12V to 5V buck jumper
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MCP2562 / MCP2515 5V CAN (Controller Area Network) Bus Driver
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4 Normally Open Button Inputs (supports momentary & toggles)
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2 TTL (3V3) Output Signals (not for power supply)
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TXB0104PWR IC 4bit Bi-directional Level Shifter
- UART TX / RX
- LED Pixel Pusher 5V Data CH1/CH2
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6 DIP Switches
- 1-4=Config/Multiplexed with BTN INs
- 5=Enable 5V Level Shifter PXL/UARTs
- 6=Terminate CAN bus with 120Ohm
Test Design