This drone finder is designed for FPV quadcopter models, enabling you to track your drone in case of low battery or emergencies. It features a 5V 110dB buzzer and a 3.7V 75mAh LiPo battery, making it compatible with all BF and CF flight controllers. Simply connect it to the voice interface of your flight controller.
Automatic Charging: When the multi-rotor aircraft is powered on, the flight control system will automatically charge the JHE42B Finder. A red LED will illuminate to indicate that charging is in progress.
specification –
| Product | JHE42B-S Finder |
|---|---|
| Buzzer | 110dB |
| Lipo Battery | 3.7V 75mah |
| Dimensions | 18x17x15mm |
Package Includes:
1 x JHE42B-S Finder
JHE42B-S Finder Overview
The JHE42B-S Finder is a compact buzzer module designed for FPV quadcopters to help pilots locate their drones during low-battery events or crashes. Equipped with a 110 dB buzzer and a 3.7 V/75 mAh LiPo backup battery, it seamlessly integrates with Betaflight and Cleanflight flight controllers via the voice interface for reliable audible alerts.
Key Features of JHE42B-S Finder
- 110 dB buzzer at 5 V for clear, far-reaching alerts
- Built-in 3.7 V/75 mAh LiPo battery provides emergency beep after main power loss
- Automatic charging from flight controller with red LED charge-status indicator
- Plug-and-play compatibility with all BF and CF flight controllers’ voice/buzzer ports
- Ultra-compact dimensions (18 × 17 × 15 mm) for easy mounting on any quadcopter frame
- Genuine product, fast shipping from Zbotic with secure factory packaging
Applications and Use Cases
- Locating a downed FPV racing quadcopter in tall grass or rough terrain
- Triggering an emergency beep when battery voltage drops below safe return levels
- Quickly finding photography drones after signal loss or unexpected landings
- Supporting training sessions by helping new pilots retrieve lost models
- Integrating into multi-drone events to distinguish individual craft by sound
How to Use JHE42B-S Finder
Mount the JHE42B-S Finder on your quadcopter and plug its connector into the voice/buzzer pin header of your Betaflight or Cleanflight flight controller. Power on the drone—charging begins automatically (red LED on). When the main pack loses power or VOX is triggered, the internal LiPo drives the 110 dB buzzer continuously, guiding you to your aircraft.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
How do I connect the JHE42B-S Finder to my flight controller?
Simply plug the Finder’s connector into the voice or buzzer output header on any Betaflight or Cleanflight board. No additional wiring is needed if your board has a matching JST or pin header. Once connected, enable the buzzer/VOX channel in the configurator.
How long will the internal battery power the buzzer after main battery failure?
The 75 mAh LiPo can drive the 110 dB buzzer for several minutes, giving you ample time to locate your drone even if the main pack is fully drained.
Will this Finder work with other flight controller firmware?
Yes. The JHE42B-S Finder works with any flight controller that provides a standard voice or buzzer output, including Cleanflight, Betaflight and similar open-source firmware.
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Read More →Technical Specifications
| Model | JHE42B-S |
|---|---|
| SKU | AI4383 |
| Weight | 0.01 kg |
| Availability | Out of Stock |
Applications & Use Cases
The JHE42B-S Finder is a versatile drone accessories used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
- Integrating into a custom electronics project
- Learning and experimenting with circuits
- Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
Parth Sen (verified owner) –
This JHE42B-S Finder is exactly what I needed for my drone. Works perfectly, very reliable.
Sneha Nayak (verified owner) –
Been using this JHE42B-S Finder for 3 months now, zero issues. Great product.
Tarun Nayak –
Good JHE42B-S Finder. Works well for my drone build. Packaging could be slightly better.
Pranav Dubey (verified owner) –
Outstanding JHE42B-S Finder! Installed it on my racing quad and the performance is amazing.
Kartik Parekh –
This JHE42B-S Finder is exactly what I needed for my drone. Works perfectly, very reliable.
Dhruv Kapoor –
Pretty good JHE42B-S Finder. Works as expected for my drone project. Would buy again.
Vishal Rathore (verified owner) –
Excellent product for the price. My drone flies smoothly with this JHE42B-S Finder. Highly recommended!
Rishabh Dave (verified owner) –
Excellent JHE42B-S Finder! Perfect for my quadcopter build. Arrived well packed and works flawlessly.
Manoj Ghosh (verified owner) –
Received the JHE42B-S Finder in great condition. Testing done, everything works perfectly.
Kritika Vyas (verified owner) –
Solid JHE42B-S Finder. Not the absolute best but excellent value for the price point.
Vishal Kamath (verified owner) –
Excellent JHE42B-S Finder! Perfect for my quadcopter build. Arrived well packed and works flawlessly.
Sneha Mittal (verified owner) –
Been using this JHE42B-S Finder for 3 months now, zero issues. Great product.
Tejas Khurana (verified owner) –
Amazing build quality! This JHE42B-S Finder is sturdy and lightweight at the same time.
Kavya Ghosh (verified owner) –
Outstanding JHE42B-S Finder! Installed it on my racing quad and the performance is amazing.
Devansh Agarwal (verified owner) –
Good JHE42B-S Finder. Works well for my drone build. Packaging could be slightly better.
Rohan Gill (verified owner) –
Received the JHE42B-S Finder in great condition. Testing done, everything works perfectly.
Siddharth Negi –
Top quality JHE42B-S Finder. I’m a regular customer of Zbotic and they never disappoint.
Ishaan Modi (verified owner) –
Good product overall. My drone is flying well with this JHE42B-S Finder. Satisfied with the purchase.
Dhruv Tiwari (verified owner) –
Very good quality JHE42B-S Finder. I’ve been building drones for 2 years now and this is one of the best I’ve used.
Rakesh Pillai –
Great JHE42B-S Finder for beginners and professionals alike. Highly recommended for drone enthusiasts.
Krishna Banerjee (verified owner) –
Perfect for my agriculture drone project. This JHE42B-S Finder handles the weight effortlessly.