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add TommyPROM32 schematic image
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@ -61,9 +61,10 @@ planned with multiple _VPP Output_ pins and some general-purpose interconnect pi
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[![TommyPROM PCB](images/TommyPROM32-27C257-erase-500.jpg)](images/TommyPROM32-27C257-erase.jpg)
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For chips that require a high voltage VPP pulse during programming, some external
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switching circuitry will be needed to allow the Arduino to control the VPP voltage. There
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is a header connected to the unused D13 pin that can support this. See the
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[Intel 8755 version of the hardware](hardware/#intel-8755a-hardware-version) for an
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example of voltage switching by TommyPROM.
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[![TommyPROM PCB](images/TommyPROM32-sch-700.png)](images/TommyPROM32-sch.png)
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docs/_docs/images/TommyPROM-connections-sch.png
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docs/_docs/images/TommyPROM-connections-sch.png
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docs/_docs/images/TommyPROM32-sch-700.png
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docs/_docs/images/TommyPROM32-sch-700.png
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