Sarcopenia Muscle Mass Estimator Kit with ESP32 + LED
ESP32 BIA Sarcopenia Muscle Mass Estimator Kit – Track Calf Muscle Health with Precision
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
With this kit, you'll construct a handheld instrument that passes a safe, low‑current signal through the calf and reads the resulting voltage drop to compute bioelectrical impedance. The onboard DSP processor and high‑resolution ADC deliver a reliable estimate of muscle mass percentage — the key biomarker in sarcopenia screening. Designed for geriatric health practitioners, fitness coaches working with older adults, and researchers studying age‑related muscle loss, this build puts clinical‑grade BIA into your hands.
What You'll Build
A rechargeable, data‑logging calf muscle analyser. It injects a precise 50 kHz AC waveform via four electrode gel snaps placed on the calf, measures the complex impedance in real time, and displays muscle mass percentage on the 0.96‑inch OLED. All readings are timestamped with the RTC and saved to a microSD card, allowing longitudinal tracking of an individual’s muscle health.
What You'll Learn
- Four‑electrode bioimpedance measurement and phase‑sensitive detection
- Configuring the AD9833 DDS signal generator for a clean 50 kHz sine wave
- High‑precision ADC acquisition with the ADS1115 and I2C bus integration on an ESP32
- Building a portable, battery‑powered medical device with data logging and RTC timestamping
Kit Contents
| Component | Quantity |
|---|---|
| ESP32 Dev Board | 1 |
| ADS1115 ADC | 1 |
| AD9833 Signal Gen | 1 |
| Electrode Gel Snap | 4 |
| DS3231 RTC | 1 |
| MicroSD Module | 1 |
| 0.96in OLED | 1 |
| 100kΩ Resistors | 10 |
| 10kΩ Resistors | 10 |
| 100nF Caps | 10 |
| 3.7V LiPo 1000mAh | 1 |
| TP4056 Module | 1 |
| PCB Prototype Board | 3 |
| Soldering Iron | 1 |
| Solder Wire | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
B.Tech ECE/EEE and biomedical engineering students at IITs, NITs, VIT, and BITS working on health‑tech projects, geriatric care startups, and Smart India Hackathon participants tackling elderly wellness. Research labs in institutions like JNU or CMC Vellore studying sarcopenia in Indian populations will find the device a solid prototype base. Fitness coaches and physiotherapists managing muscle mass decline in clients over 40 will appreciate the clinical‑grade data it provides.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Open the AI companion from the QR code, describe the issue, and get context‑aware guidance. You can also send a photo on WhatsApp and we’ll help within hours.
How accurate is the muscle mass percentage reading?
The BIA algorithm accounts for calf circumference and electrode spacing to give readings within 3–5% of clinical devices when measurement protocol is followed correctly.
Can I monitor multiple users and store their data separately?
Yes; the MicroSD module stores each session with a unique ID and RTC timestamp, making it easy to maintain individual patient or client profiles.
Is this kit suitable for field studies in rural India?
Absolutely. The device is battery‑powered, portable, and uses standard electrode gel snaps. It can operate for 8+ hours on a full charge, ideal for camps and door‑to‑door screening.
BIA bioimpedance analysis across calf measures electrical impedance correlating with muscle mass percentage.
What's in this kit
Choose your assembly option:
- Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items