# Tracer

An ESP-32-based wearable for objects. Tracks motion, analyzes poses, and streams real-time data. Perfect for sports and fitness insight!

- **Seller:** [elektroThing](https://www.lectronz.com/stores/elektrothing), Cambridge, Cambridgeshire, UK
- **Price:** $33.00 (USD, before shipping and taxes)
- **Availability:** In stock
- **Product page:** https://www.lectronz.com/products/tracer

## Options

**Strap**

- Velcro Strap [Add $3.00]
- None

## Links

- [Documentation](https://hackaday.io/project/184499-tracer-a-wearable-for-things)
- [Code](https://github.com/elektroThing/Tracer)

## Images

![Tracer](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MTk2OTcsInB1ciI6ImJsb2JfaWQifX0=--b07a72bedf1d78e99480996a88d2674b496e49bf/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2023-08-13T14-3A24-3A23.061Z-20230813_144758.jpg)
![Tracer](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MTk2OTgsInB1ciI6ImJsb2JfaWQifX0=--f9e794c61f7d3416dc3db4e9861bde27213a9023/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2023-08-13T14-3A24-3A23.061Z-20230813_144929.jpg)
![Tracer](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MTk2OTksInB1ciI6ImJsb2JfaWQifX0=--049a5d28c41bf74ff735579f27fdc418503efb35/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2023-08-13T14-3A24-3A23.061Z-20230813_144948.jpg)
![Tracer](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MTk3MDAsInB1ciI6ImJsb2JfaWQifX0=--283c200a3563402fb37427141529fae37ad385dc/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2023-08-13T14-3A24-3A23.061Z-20230813_144810.jpg)
![Tracer](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MTk3MDEsInB1ciI6ImJsb2JfaWQifX0=--7b4005b22d9aa5ed7c2f82b65cf94defde19d214/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2023-08-13T14-3A24-3A23.061Z-20230520_143153.jpg)

## Description

**Back in stock in September 2023**

#### What is it?
Tracer is a versatile, open-source wearable designed on the ESP-32 platform. Tailored for enthusiasts, it harnesses the power of the ESP-32's extensive software libraries, providing a deep dive into the mechanics and algorithms of a custom fitness tracker. With its integrated IMU and Time-of-Flight (ToF) sensor, Tracer offers a comprehensive view of your environment, further enhanced by WiFi and BLE connectivity.

Key Features;

- Real-time Object Tracking: Utilizes the LSM6DSL for precise motion capture.
- Adaptable Mounting: Features high-quality velcro straps, making it suitable for diverse applications - from analyzing bicycle lean angles to tennis racquet poses.
- Efficient Battery Management: On-board Li-ion battery charging via the TP4065 ensures longevity.
- Extended Battery Life: Offers up to 2.5 hours of continuous BLE streaming at 10Hz.
- Proven Connectivity: Boasts a 15m BLE range, as validated on a tennis court.

***Featured on;** *
[*Hackster*](https://www.hackster.io/news/tracer-is-a-sensor-packed-wearable-for-things-906b5f40a995)
[*Hackaday*](https://hackaday.com/2022/04/01/tracer-a-platform-for-all-things-movement-logging/)

#### Why did you make it?
Tracer is not just a wearable; it's a window into the world of motion analysis. Whether you're a sports enthusiast wanting to analyze your tennis serve or a cyclist keen on understanding lean angles, Tracer provides invaluable insights. Its ability to stream real-time data, combined with its integration with platforms like Phyphox and Edge Impulse, makes it a must-have for those seeking a deeper understanding of motion and performance.

#### Specification
- Microcontroller | ESP32-PICO-D4
    - WiFi | 802.11b/g/n
    - Bluetooth | BLE 4.2
    - FLASH | 4MB
    - Programming | USB over UART (CP2104)
- Inertial Measurement Unit (IMU) | LSM6DSLTR
    - Accelerometer | ±2/±4/±8/±16 g at 1.6 Hz to 6.7KHz
    - Gyroscope | ±125/±250/±500/±1000/±2000 DPS at 12.5 Hz to 6.7 kHz
- Time-of-Flight (TOF) | VL53L0X
    - Range | Up to 2m
    - 1D Gesture Recognition
- Li-ion Battery Management | TP4065
- Power | 700mA 3.3V LDO
- Weight | 13g on its own, 20g including velcro strap
- Mounting Options | Velcro Strap or 3x M.2.Screws

#### What makes it unique?
For more technical detail, check out the Github [repo ](https://github.com/elektroThing/Tracer) or the Hackaday [project page.](https://hackaday.io/project/184499-tracer-a-wearable-for-things)

#### What does it ship with?
- 1x Tracer unit
- Battery is not included because it is Lithium-Ion. It can use LIR2450, which are available on Amazon or RS or a 772435 power pack (https://www.amazon.co.uk/gp/product/B095VVDJDL/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&th=1)
- Examples and drivers are available in the git repo, [here](https://github.com/elektroThing/Tracer).
- Optional 1x Velcro Strap

## Shipping policy

Royal Mail - with Tracking. 
Will ship within a week of purchase.
