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Recent find: $36 Sharp EL-5500 III. BASIC and machine code programmable with cassette and TTL serial I/O via 11-pin female header : r/vintagecomputing
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Wholesale USB UART TTL Cable for Texas Instruments TI83 ti84 ti83+ ti84+ Calculator Configuration From m.alibaba.com
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Lathe Linear Scale Lathe Mill 3 Axis SDS3MS and 3PCS Linear Scales 5U 5V TTL Optical Ruler/Line/Encoder Dimensions 100 to 1000 mm (Colour: SDS3MS DRO) : Amazon.com.be: Industrial & Scientific
/i/402581/products/2021-08-19T22%3A23%3A00.433Z-blue-3x2.jpg?1629388976 "PX-15C an HP15C Emulator from HobbyStone on Tindie")
PX-15C an HP15C Emulator from HobbyStone on Tindie
