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Update Hardware design files

Ray Jones 2019-01-11 02:23:29 +00:00
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Hardware-design-files.md

@ -19,10 +19,13 @@ I can wholeheartedly recommend their services, very good quality, and most impor
### Special parts for "green board" build
**Discrete single pin sockets**: eg: RS 718-5284. (low profile)
![HolTiteSocket](uploads/fc0703aa92c3d3cc559e8b56cd7e57ac/HolTiteSocket.jpg)
These are used allow the OLED to be removed for access to the battery terminals should it need to be replaced (optional).
The PCB holes are very large to accommodate these sockets. Should you choose to do so, the OLED could be soldered and later easily de-soldered as an alternative.
These sockets are used as the maintain a very low profile compared to the usual 0.1" strip header socket.
They are used in two locations, OLED display & debug port.
These sockets are also used to allow a FTDI232 USB adapter to be plugged in for flashing and debug purposes. (ESSENTIAL!).
1. The OLED can be removed for ready access to the battery terminals should it need to be replaced (optional).
As the PCB holes are very large to accommodate these sockets, should you choose to do so, the OLED could be directly soldered and later easily de-soldered as an alternative.
2. These sockets are also used to allow a FTDI232 USB adapter to be plugged in for flashing and debug purposes. (ESSENTIAL!).
**M3 Nylon screws and nuts** to secure OLED module.