Short description

The hardware consists of power-supply unit, microcontroller unit, LCD display, 4 buttons, 3 LANC connectors (1 LANC connector for optional external remote controller), power-supply socket and switches.

Electronic scheme

Version 0.3 (in gif and eps format and in zipped PCad format)

Changes from the previous version:

  • bottom side layout has incorrect battery signs (+ and - are reversed),

  • resistors R13, R14 and R15 are 22K,

  • diodes D2, D3 and D4 are 1N5817.

 Older versions:

 

 Version 0.2 (in wmf and eps format)

 

 

Case

Dimensions of the case: 120x59x36mm;
Conrad electronics No. 522120. Description (pdf file with measures).

PCB layout

Version 0.3

PCB layouts and electronic layouts in Pcad format (zipped pcb)

Hole drill files, etc.

Top-side printed circuit board (in gif and eps format) and bottom-side printed circuit board (in gif and eps format)

Electronic layout

component layout

Version 0.3

PCB layouts and electronic layouts in Pcad format (zipped pcb)

Hole drill files, etc.

Layout of electronic elements - top side (in gif and eps format), and bottom side (in gif and eps format)

Bill of materials

List of used electronic components and connections.

Important note

Do not replace 74LS05 with 74HCT05!

Connections
3D LANC Master can be connected to the PC by serial cable. The connections (within 3DLM to 9-pin connector and between the 3DLM and the PC) are given here (thanks to Vasily Ezhov). 
 

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