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Showing 21-38 of 38 products · 22 unavailable products hidden
FireBeetle 2 ESP32-UE (N16R2) IoT Microcontroller (16MB Fl., 2MB PS., Supports Ext Antenna, Wi-Fi & Bluetooth)
FireBeetle 2 ESP32-UE (N16R2) is a powerful IoT microcontroller that supports external Bluetooth & WiFi antennas and features 16M Flash and 2M PSRAM. This product enhances memory capacity and operating space, enabling superior performance for applications such as the LVGL graphics library for int...
Lithium Battery Charger
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The Lithium Battery Charger can charge 3.7V LiPo battery at a rate of 500mA per hour. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will wo...
Lithium Ion Polymer Battery - 3.7v 1200mAh
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 1200mAh for a total of about 4.5 Wh.The batteries come pre-attached with a genuine 2-pin JST-PH connector a...
Adafruit bq25185 USB / DC / Solar Lithium Ion/Polymer charger
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The Adafruit bq25185 Charger is a versatile LiPo/LiIon/LiFePO4 charging board that supports USB, DC, and solar power input. It is an excellent upgrade from MCP73833 or MCP73831-based chargers, offering multi-chemistry support, adjustable charge rates, smart power path management, and near-MPPT so...
UPS HAT for Raspberry Pi Zero
DFRobot UPS HAT is an uninterruptable power supply shield designed for the Raspberry Pi Zero series, and also compatible with Pi 2/3/A+. The UPS HAT can continue to provide power to the Raspberry Pi for a certain period of time when the system is powered off, by which to avoid system damage and a...
Lithium Ion Polymer Battery - 3.7v 2500mAh
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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 2500mAh for a total of about 10 Wh. If you need a smaller battery, we also have a 1200mAh model The batter...
Lithium Ion Battery Pack - 3.7V 4400mAh
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Need a big battery for your project? This lithium ion pack is made of 2 balanced 2200mAh cells for a total of 4400mA capacity! The cells are connected in parallel and spot-welded to a protection circuit that provides over-voltage, under-voltage and over-current protection. Each cell can provid...
Lithium Ion Polymer Battery - 3.7v 1200mAh
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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 1200mAh for a total of about 4.5 Wh. If you need a larger battery, we also have a 2500mAh+ modelThe batteri...
DFRobot DFR1216 Expansion Board for UNIHIKER M10/K10 & micro:bit
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This multi-function expansion board adds power, I/O and drive capability to UNIHIKER M10/K10 and micro:bit projects. It is designed for mobile robots, portable interactive builds and maker projects that need more connectivity than the main controller can provide on its own.The board expands your ...
14500 Rechargeable Li-Ion Battery 800mAh 3.7V Nipple
A 14500-size rechargeable lithium-ion battery with 800mAh capacity and 3.7V nominal voltage. The 14500 form factor is the same size as a standard AA battery, making it a common choice for LED torches and other compact devices that accept this cell type. This cell has a nipple (button-top) positiv...
Bluetooth 4.2 Audio Receiver Board-with an Amplifier (2x5W)
This is a small size and cost-effective Bluetooth 4.2 Audio Receiver module with dual 5W power amplifier circuits. It supports auto-reconnect and can be powered by micro USB or 3.7V lithium battery. The module can be turned into a stereo Bluetooth speaker when connected with two speakers. Also, y...
3 x AAA Battery Holder with On/Off Switch, JST, and Belt Clip
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A slim 3×AAA battery holder with a built-in on/off switch, JST 2-pin connector, and an ergonomic belt clip. The series configuration outputs approximately 3.6–4.5V — a similar range to lithium-ion batteries — making it an ideal non-rechargeable alternative for 3.3V projects that use a JST battery...
FireBeetle 2 ESP32-C5 Wi-Fi 6 IO Expansion Kit
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This development kit combines the FireBeetle 2 ESP32-C5 microcontroller board with a dedicated solderless IO expansion shield, giving you a practical platform for smart home and IoT prototypes.The ESP32-C5 brings dual-band Wi-Fi 6 on 2.4 GHz and 5 GHz, plus Bluetooth 5, Thread and Zigbee support....
Solar Power Manager For 12V Lead-Acid Battery
The DFRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and application engineers. This medium-power high-efficiency solar power management module allows you to charge...
18650 Battery Protection Module (12V 10A)
A 3S (3-series) battery protection module designed for connecting three 18650 or polymer lithium-ion cells in series to create a 12 V rechargeable battery pack. The board provides overcharge, over-discharge, overcurrent, and short-circuit protection to safeguard your battery pack during charging ...
CR123A Li-ion Battery Holder for micro: Maqueen
This compact rechargeable power module is designed for micro:bit-based Maqueen educational robots. It holds a single CR123A 3.6V lithium rechargeable battery and provides a tidy power solution for classroom robotics, STEM workshops and small mobile robot projects.A built-in lithium battery chargi...
LG290P Quadband GNSS RTK Breakout (Qwiic)
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Built around the Quectel LG290P, this compact RTK GNSS breakout is designed for high-precision positioning projects that need quad-band, multi-constellation reception. It follows the same board dimensions, pin layout and connectors as SparkFun’s GPS-RTK-SMA Breakout - ZED-F9P (Qwiic), making it a...
8G Mini USB Voice Recorder
This compact USB voice recorder doubles as an 8 GB flash drive. One-touch recording captures audio in WAV format with no flashing indicator lights, and files are accessible by plugging directly into any USB 2.0 port — no drivers required. The built-in 120 mAh lithium battery provides 7–8 hours o...
