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"content": "#RetroChallenge side quest: So You Want To Program an AM2732 EPROM with Your TL866II+: the programming voltage Vpp is +24V and the TL866II+ can only do +18V tops. With a bench power supply, an LM339 comparator, and a 2N3904 NPN transistor, I got the Vpp boost I needed.\nhttps://assets.oldbytes.space/assets.oldbytes.space/media_attachments/files/113/098/161/815/185/225/original/f5ffa761d0e8830a.jpeg\n",
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