# Clue Shot Timer ## Overview https://www.youtube.com/watch?v=YRKhJxl0V_4 Warning: Shot timers are great tools for anyone trying to progress their shooting skills. Unfortunately, they're super expensive! That's where this project comes in. In this project, you will create an open-source shot timer using the Adafruit Clue board. It will have a GUI with a full menu, multiple modes, and persistent settings. ![](https://cdn-learn.adafruit.com/assets/assets/000/121/651/medium800/circuitpython_image.png?1686159353) ### Adafruit CLUE - nRF52840 Express with Bluetooth® LE [Adafruit CLUE - nRF52840 Express with Bluetooth® LE](https://www.adafruit.com/product/4500) Do you feel like you just don't have a CLUE? Well, we can help with that - get a CLUE here at Adafruit by picking up this sensor-packed development board. We wanted to build some projects that have a small screen and a lot of sensors. To make it compatible with existing projects, we made... Out of Stock [Buy Now](https://www.adafruit.com/product/4500) [Related Guides to the Product](https://learn.adafruit.com/products/4500/guides) ![Animated GIF showing CLUE board displaying data from the many on-board sensors.](https://cdn-shop.adafruit.com/product-videos/640x480/4500-04.jpg) Warning: ### Clear Acrylic Enclosure + Hardware Kit for Adafruit CLUE [Clear Acrylic Enclosure + Hardware Kit for Adafruit CLUE](https://www.adafruit.com/product/4675) Here is a chic minimalist enclosure for your **CLUE** board! This case has been laser-cut specifically to accommodate the TFT display, tactile buttons, and capacitive pads. And of course, we include mounting hardware so you can assemble it right onto your CLUE... In Stock [Buy Now](https://www.adafruit.com/product/4675) [Related Guides to the Product](https://learn.adafruit.com/products/4675/guides) ![Angled shot of a Clear Acrylic Enclosure + Hardware Kit for Adafruit CLUE.](https://cdn-shop.adafruit.com/640x480/4675-04.jpg) Warning: ### Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh [Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh](https://www.adafruit.com/product/3898) Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of **400mAh** for a total of about 1.9 Wh. If you need a larger (or smaller!)... In Stock [Buy Now](https://www.adafruit.com/product/3898) [Related Guides to the Product](https://learn.adafruit.com/products/3898/guides) ![Slim Lithium Ion Polymer Battery 3.7v 400mAh with JST 2-PH connector and short cable](https://cdn-shop.adafruit.com/640x480/3898-05.jpg) - [Next Page](https://learn.adafruit.com/clue-shot-timer/circuitpython.md) ## Related Guides - [Tombstone Matrix Portal](https://learn.adafruit.com/tombstone-matrix-portal.md) - [Adafruit Slider Trinkey](https://learn.adafruit.com/adafruit-slider-trinkey.md) - [Mini LED Matrix Audio Visualizer](https://learn.adafruit.com/mini-led-matrix-audio-visualizer.md) - [MIT Green Building NeoPixel Tetris](https://learn.adafruit.com/tetris-building.md) - [Using the Android CircuitPython Editor](https://learn.adafruit.com/using-the-android-circuitpython-editor.md) - [RGB Matrix Portal Room CO2 Monitor](https://learn.adafruit.com/matrix-portal-room-co2-monitor.md) - [New Years Eve Ball Drop](https://learn.adafruit.com/new-years-eve-ball-drop.md) - [Matrix Portal RGB Display Handbag](https://learn.adafruit.com/matrix-portal-rgb-display-handbag.md) - [Adafruit Fruit Jam](https://learn.adafruit.com/adafruit-fruit-jam.md) - [Paper Craft Zoetrope with Crickit](https://learn.adafruit.com/paper-craft-zoetrope-with-circuit-python.md) - [Adafruit Pixel Trinkey](https://learn.adafruit.com/adafruit-pixel-trinkey.md) - [Circuit Playground TFT Gizmo Snow Globe](https://learn.adafruit.com/circuit-playground-tft-gizmo-snow-globe.md) - [Glowing Bottle Castle and Capacitive Touch Piano](https://learn.adafruit.com/glowing-bottle-castle-and-capacitive-touch-piano.md) - [PM2.5 Air Quality Sensor](https://learn.adafruit.com/pm25-air-quality-sensor.md) - [Deco Two-Key Feather Macro Pad](https://learn.adafruit.com/deco-two-key-keypad-macropad-circuitpython-feather.md)