If you want to build your own sensors, connect Vernier sensors to your own interface, or build your own cables, extensions, interfaces, or adapters, here is how to get all the connectors and sockets we use.

We chose these connectors because they click into place and students know when the sensors are connected. The BT (British Telecom) connectors are quite common in the UK, but they can be hard to find in other countries, especially in small quantities.

Connectors
1. Options for obtaining a male analog (BTA) connector for use with LabPro, LabQuest (all versions), Go!Link, EasyLink, or CBL 2 or analog output on LabPro include:
Analog BTA Cable (CB-BTA) — This cable has a right-hand release BTA connector on one end and bare wire on the other.
Breadboard Cable (Analog) (BB-BTA) — This cable has a BTA connector on one end and a prototyping board connector on the other. This cable is designed for use on a breadboard.

2. Options for obtaining a male digital (BTD) connector for use with digital input or output on LabPro, LabQuest (all versions), or CBL 2 include:
Digital BTD Cable (CB-BTD) — This cable has a left-hand release BTD connector on one end and bare wire on the other.
Digital Sensor Cable (MDC-BTD) — This cable has BTD connectors on both ends. Cut the cable in half and you will have two cables.

Sockets
1. Options for obtaining a female analog (BTA) socket include:
Analog Protoboard Adapter (BTA-ELV) — a socket designed for use on a breadboard or prototyping board with standard pin spacing.
BTA to DIN Adapter (BTA-DIN) — Cut the DIN connector off to give you an analog (BTA) socket with bare wire on the other end. You can also use the adapter as-is and make use of the easier to obtain DIN-style connector. (Note: AutoID lines are not supported with the DIN adapter.)

2. Options for obtaining a female digital (BTD) socket include:
Digital Protoboard Adapter (BTD-ELV) — a socket designed for use on a breadboard or prototyping board with standard pin spacing.
Digital Extension Cable (EXT-BTD) — Cut this cable in half to give you a digital (BTD) socket with bare wire on the other end. This cable is slightly more expensive because it is 2 meters long.

Connector and Socket
Our analog and digital extension cables have a male connector on one end and a female socket on the other. Cut these cables in half to obtain a connector and socket, each with bare wires for connecting into a circuit. These cables are slightly more expensive because they are 2 meters long.
Analog Extension Cable (EXT-BTA)
Digital Extension Cable (EXT-BTD)

For more information on designing custom sensors, refer to the CBL and LabPro Technical Reference Manuals.

Pinouts for Vernier cables are at https://www.vernier.com/til/5457

So you have an SDK or API for your sensors?