The version of the Blue Jay that can program the outputs to fire e-matches before apogee, for multi-stage flights.
Featherweight GPS Tracker
500 Hz 3-axis High-Range Accelerometer, +/- 400 Gs
AltimeterThree is a tiny flight altitude recorder controlled by your smartphone or tablet. By pressing a button on your mobile device, you can ask it to start recording. After flight, the recorded altitude data is downloaded to your mobile device, where you can view, annotate, and share with friends. For certain sports it also records acceleration up to 24G in three dimensions so that you can analyze your flights in even greater detail.
AltimeterThree requires a smartphone or tablet with Bluetooth™ running the AltimeterThree app from the Apple or Google Play app stores.
We suggest you install the app before purchasing the altimeter, to make sure your device is compatible.We also have helpful Bluetooth Setup Guide.
Note: this is a preorder and will be shipped when the manufacturer resumes production.
1" 500 Hz 3-axis High-Range Accelerometer, +/- 400 Gs
This will ship in April 2026, when the new version is available.
Ground Station only - features an internal battery, micro-USB interface, and pocket-sized enclosure.
AltimeterOne is a rechargeable digital altimeter with a clear, sunlight-readable LCD display. Its tiny size and rugged construction have helped to propel its use beyond model rockets and planes to kites, quadcopters, falconry, and other sports and activities.
4" Patriot
The Blue Jay 2 altimeter is the easiest rocketry altimeter to install and use.
Hero-Copter, 4-Blade RTF Helicopter; Coast Guard
Provides a built-in connector for your Raven. Just tighten the Raven's screw terminals, plug in the battery, and the electrical connections are done!
Hero-Copter, 4-Blade RTF Helicopter; Police
These batteries are approximately 0.25x1.2x2.0" (6x30x48mm), and weigh about 19g (0.67oz).
These batteries are approximately 0.2x1.0x1.4" (5.5x25x35mm), and weigh about 9.5g (0.33oz).
These batteries are approximately 4x15x30mm, and weigh 3.6g.
This is a battery clip with 12 inch (30.48cm) wire leads. If you want to attach a 9V alkaline battery to an EasyMini or other flight computer, this will do the trick.
You can buy 9V battery clips elsewhere, what makes these "interesting" is the long leads. You can trim them to fit in nearly any avionics bay design!
Full System - includes a ground station with included battery, a tracker, and a 400 mAhr tracker battery with battery adapter.
Ground Station only - features an internal battery with charger, charger for external battery, USB-C interface
Tracker only - optional battery available here. The wire whip antenna option has equivalent LoRa performance and the antenna can stick through bulkheads to save space.
