All Products
Showing 1-20 of 81 products · 19 unavailable products hidden
USB Voltage Meter with OLED Display
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This USB In-Line Voltage and Current Meter with OLED Display is a lot like the Charger Doctor we carry - if the doctor was a talented surgeon who just lost her medical license and has nothing to lose. Just like the charger doctor, you can use this meter to find out if your...
SparkFun DataLogger IoT - 9DoF
The SparkFun DataLogger IoT - 9DoF is a preprogrammed data logger that automatically detects, configures, and logs Qwiic-compatible sensors — all without writing a single line of code. Simply plug in your sensors, power up, and start capturing data to a microSD card or send it wirelessly to your ...
Micro: IO-BOX Expansion Board
Micro: IO-BOX is a micro:bit multifunctional expansion board with on-board Li-ion battery power, delicate appearance and easy to use. We integrated numerous functions on the 6cm×6cm board such as 2-way driver motor, 9-way IO port, 2-way I2C port, 1-way serial port, 1-way buzzer, 4-way RGB LED, Li...
USB Charger for 7.4V LiPo Battery
Still using a big, bulky, traditional power adapter to charge your lithium battery? DFRobot provides you with a compact and efficient 7.4V lithium battery USB charger, only the size and weight of an ordinary Gravity sensor. With just a mobile phone AC adapter (or power bank) and an Android dat...
USB Cable and Charger Tester with 1.44" TFT LCD Color Screen
A compact, multi-function USB tester with a 1.44" TFT LCD colour display. It monitors voltage, current, power, capacity, charging protocol, and cable resistance in real time, with support for fast-charge protocol detection and PD active triggering. The tester integrates USB-A, Micro-USB, and Typ...
Adafruit USB Type C Power Delivery Dummy - I2C or Switchable
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The Adafruit USB Type C Power Delivery Dummy (I2C or Switchable) lets you tap into USB-C Power Delivery to get 5V, 9V, 12V, 15V, 18V, or 20V from any compatible USB-C charger or wall adapter — no soldering required. Built around the HUSB238 PDL003A E-Marker variant, it can request up to 5A for a ...
Sunflower: Solar Power Manager 9V/12V/18V
DFRobot is launching a brand new series - Sunflower, focusing on high-efficiency, small power solar energy management for IoT projects and renewable energy applications. Solar Power Manager is a complete small power and high-efficiency solar power management module. It fea...
4-Channel Universal Fast Charger with LCD
This 4-channel universal charger handles Ni-MH, Ni-Cd, Li-ion, and LiFePO4 cells simultaneously across four independent slots. Each battery is monitored individually by a microprocessor with precise Pulse Width Modulation (PWM) control, ensuring safe and efficient charging. A single Li-ion or LiF...
DC-DC Fast Charge Module 10.5~32V to 5V3A
This fast-charging module comes with both USB and Type-C ports, supporting 10.5-32V voltage input and 5V/3A output, and multiple charging protocols.With steady output, this Fast Charge Module is able to work for a long time without voltage shift. It can be suitable for projects like mobile phone ...
Adafruit Mini Lipo w/Mini-B USB Jack - USB LiIon/LiPoly charger [v1]
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The Adafruit Mini Lipo with Mini-B USB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Mini USB cable to a USB power source and connect your battery via the JST connector — two LEDs show status at a glance (red = charging, gr...
Smart Multifunctional Charger
The LiitoKala Lii-402 is a four-slot smart charger that supports Li-ion, Ni-MH, and LiFePO4 rechargeable batteries. It automatically identifies Li-ion and Ni-MH battery types, with manual mode selection for LiFePO4 and 3.85 V Li-ion cells. Four LED indicators display charging progress at 25%, 50%...
Adafruit Feather 32u4 Bluefruit LE
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The Feather 32u4 Bluefruit LE combines an ATmega32u4 microcontroller with a Bluetooth Low Energy module, USB connectivity, and LiPo battery charging in one compact board. BLE is supported by all modern smartphones and tablets (iOS, Android, Mac OS X, Windows 8+), making it ideal for portable proj...
Adafruit Micro Lipo - USB LiIon/LiPoly charger [v1]
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The Adafruit Micro Lipo is a tiny USB charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Its gold-plated PCB-style USB connector plugs directly into any USB port — connect your battery via the JST plug and charging begins automatically. Two LEDs indicate sta...
Solar Power Manager with Panel (5V 1A)
Note: Includes Solar Power Manager 5V and Semi Flexible Monocrystalline Solar Panel (5V 1A). 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...
USB Solar Panel 6v 580mA
Power your next project using the Australian Sun with this solar panel. The panel is capable of 3.5 watts in the open sun with a peak power output around 6V at 580-600mA. 6v 3.5w 580-600MA High conversion rate, high efficiency output . Operating voltage: 6v Power: 3.5W Work: cur...
Homefixer ESP8266 devboard
Another development board for ESP8266-12F. But this one is a bit different, made to be easy to set up without the need for additional hardware like programmers and voltage regulators. A wide voltage range switching regulator enables the user to use different battery technologies from 1 AA cell up...
Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger [v1]
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The Adafruit Micro Lipo with MicroUSB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Micro USB cable to a USB power source and connect your battery via the JST connector — two LEDs show status at a glance (red = charging, gr...
SparkFun Adjustable LiPo Charger
The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s adjustable, this charger will be able to safely charge most of our single-cell batteries with ease. With its onboard charge rate selector, you will be able to set the ma...
Adafruit Feather M0 RFM96 LoRa Radio - 433MHz
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The Feather M0 RFM96 LoRa Radio (433 MHz) combines the ATSAMD21G18 ARM Cortex M0+ processor with an SX1276-based LoRa radio transceiver for long-range wireless communication at 433 MHz. LoRa modulation delivers significantly greater range than conventional packet radio — over 2 km line-of-sight w...
Adafruit Feather M0 with RFM95 LoRa Radio - 900MHz
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The Feather M0 RFM95 LoRa Radio (900 MHz) combines the ATSAMD21G18 ARM Cortex M0+ processor with an SX1276-based LoRa radio transceiver for long-range wireless communication at 868 or 915 MHz. The exact frequency is software-configurable, allowing you to tune dynamically for your region's ISM ban...