Bluetooth Indoor Solar Development Kit (LES100)


The Bluetooth Indoor Solar Development Kit is a wireless sensing module powered by PowerFilm’s Indoor Light Series solar. Ideal for indoor environments, it can operate down to 200 lux and below. Customize by adding sensors and selecting the features needed for your application. This open source design accelerates the development process by making solar power simple.

Bluetooth Low-Light Solar Development Kit (LES100)

Fully powered by PowerFilm’s Indoor Light Series solar, the Bluetooth Indoor Solar Development Kit features a wireless sensing module that collects data from a variety of sensors and sends it to a connected mobile device via Bluetooth Low Energy (BLE). Ideal for indoor environments, the LES100 uses a nano-power energy harvester to operate down to 200 lux and below. The integrated power management features battery charging with over/under voltage protection and a regulated output voltage rail.

This development kit is meant to be the first building block of any IoT sensing project or idea. The wireless MCU is broken out so additional sensors and components can be added easily. This open source design accelerates the development process by making solar power simple.


Wireless Sensing Unit
Pre-configured to measure light level, temperature, and battery level.
Adjustable data rate from .1 – 30 seconds.
CC2650 Ultra Low Power Simplelink Multi Standard Wireless MCU.
I/O pin breakout.
User friendly mobile application.
Supports Bluetooth Low Energy, ZigBee, 6LoWPAN and ZigBee RFCE.

Energy Harvesting Unit

BQ25570 Nano Power Boost Charger and Buck Converter.
Optimized for PowerFilm low light series solar panels.
Operational down to 200 lux and below.
Artificial light collection.
Battery charging with over/under voltage protection.
Adjustable output voltage from 2-5 volts.

Open source hardware and software.

Use Cases
There are many remote sensing applications. Depending on sensor power requirements, the Bluetooth Indoor Solar Development Kit (LES100) and PowerFilm solar panels will support the applications listed below:

Sensing Applications

Temperature / Humidity / Pressure / Light Level / Vibration / Motion
Acoustic / Air Flow / Water Flow / Strain / Moisture / Air Quality
Occupancy / Acceleration / Water Level

IoT Applications

Home Automation / Wearables / Smart Buildings / Smart City
Smart Agriculture / Wireless Nodes / Asset Tracking
Smart Transportation / Gateways / Beacons
Equipment Monitoring / Industrial Automation

What’s In The Kit?



Panel with wires:

– (2) LL200-2.4-75
– Power: 200 lux: 0.29mW
– Operating Voltage: 200 lux: 1.60V
– Current: 200 lux: 0.18mA


– Model: DTP301120
– Nominal Voltage: 3.7V
– Typical Capacity: 40mAh
– Includes protection circuit

Absolute maximum open circuit voltage: 3.6V

Absolute maximum short circuit current: 100mA

*No international shipments for online purchases. United States only. For delivery to other locations, please contact us at


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Product Manual

If applicable, the Product Documentation, Reference Materials, CAD design(s), .STEP file(s) and/or other drawing file(s), Manuals, and Tutorials will be available for download upon purchase. The order confirmation email will include a downloadable link to the product file(s) which can also be downloaded from the My Account section if needed.

PowerFilm specializes in custom solar solutions meeting design, power-output and timeline needs of customers. Controlling each step in engineering, design and production, PowerFilm delivers the highest quality and performing systems.

Shipping Policy

All orders will be received before 12 PM CST will be processed and shipped in 48 hours. Order after 12 PM CST could take up to 72 hours to be shipped.

*No international shipments for online purchases. United States only. For delivery to other locations, please contact us at

Return Policy

PowerFilm, Inc., the parent company of PowerFilm® Solar, warrants that this PowerFilm® Solar product is free from defects in materials and workmanship that impact performance for a period of one (1) year. The duration of the Limited Warranty is from the date of initial purchase from PowerFilm, Inc. The foregoing warranty does not apply to any defect, failure or damage caused by improper use, unauthorized modifications, neglect, improper testing, attempt to repair, inadequate maintenance, or damage from accident, fire, abuse or other hazard. An additional power output warranty may apply. Please visit the product specific section below for details on the power output warranty as well as any other product specific limitations. PowerFilm's sole obligation and liability for products failing to comply with this warranty shall be, at PowerFilm's choice, either to repair the products or replace the defective product with a new or remanufactured equivalent at no charge, provided that the warranty procedures have been followed. To obtain service under this warranty, customers must return a failed unit to PowerFilm with the return authorization number, original proof of purchase, description of the failure, contact information, and a return shipping address. PowerFilm will return repaired or replacement product at PowerFilm's cost.

For more return information please contact us at

Shipping costs

Country State Cost
United States (US) Any $15.00
United States (US) Alaska $20.00
United States (US) Hawaii $25.00

Shipping Details

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