We are currently switching Go Direct sensors to having a USB-C port (instead of micro- or mini-USB). The transition will be done over time and will complete in late 2027 or early 2028. Below is a list of sensors that have already transitioned to USB...
Basic Information
What sensors are supported with EasyData on a TI-84 Evo calculator?
What is needed to use Go Direct sensors with the TI-84 Evo?
How do I collect data with Go Direct sensors on a TI-84 Evo calculator?
How do I calibrate...
This information is based on the EasyData App available on TI-84 Evo calculators running operating system v7.1.0, released September 9, 2026.
The following sensors are supported:
Texas Instruments CBR 2 Motion Detector
Go Direct Motion ...
What You Need
1. TI-84 Evo calculator running OS version 7.1 (or newer)
Only a TI-84 Evo Calculator (TI-84EVO) running OS version 7.1 (or newer) supports sensor data collection with Vernier Go Direct sensors. The data collection app, ...
Getting started with Go Direct sensor data collection on a TI-84 Evo calculator.
Make sure your TI-84 Evo Calculator (TI-84EVO) is charged, and verify it has the EasyData app.
Press Home (ON key) and scroll through the apps to locate EasyData...
In the situation that your Go Direct® Optical Dissolved Oxygen Probe (GDX-ODO) stops reading any values and just reads 0 mg/L, first try going through the calibration procedure to reset the sensor.
To do a reset, follow the instruct...
Go Direct® Materials Test Frame (GDX-MTF)
Specifications and User Guide
Is it working correctly?
General: Press the power button on the sensor to turn it on. Connect your sensor as described in the Getting Started instructions for your...
The Go Direct® Air Quality Sensor (GDX-AIRQ) has a temperature channel as one of the many sensors included on it. This sensor is located inside the body of the particulate matter sensor. Due to electrical heat, it is possible for this temperatur...
The Go Direct® Air Quality Sensor (GDX-AIRQ) has many sensors included in it making it a more complicated sensor than others. To get the best use of the sensor and data there are some best practices that are recommended when using it.
Accli...
The ozone (O₃) sensor on the Go Direct® Air Quality Sensor (GDX-AIRQ) does have cross-sensitivity to nitrogen dioxide (NO₂). Cross-sensitivity means that if you are measuring O₃ in an environment where NO₂ is also present, the O₃ readi...