The Solar Power Manager 5V from DFRobot is a high-efficiency solar charging and power management module tailored for IoT and renewable energy applications. Designed specifically for 5V solar panels, it integrates an MPPT (Maximum Power Point Tracking) algorithm to optimize solar energy usage. Supporting both solar and USB charging, the module delivers up to 900mA charging current to a 3.7V Li-ion/Li-Po battery while providing a regulated 5V 1A output for powering electronics. With built-in protections against overcharge, overdischarge, overcurrent, reverse connection, and short circuits, it ensures reliable and safe operation. Compact, efficient, and versatile, the Solar Power Manager 5V is ideal for smart solar projects, portable devices, and energy-harvesting applications. Featured By RoboticsBD.
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The other day my friend asked me to help him remake his compost bin, he wants a device that allows him to remotely get the real-time temperature and humidity inside. So I add some electronic parts on it.
USB communication, no need write code Support PC software automation Double antenna Support quad-band, universal worldwide Support 2G/3G/4G Automatically connect to the network Adaptive frequency
2 sine wave and 2 square wave output. AD9850: 0-40MHz. After the 20-30MHz frequency harmonics increases, the waveform will be less and less clean. Low-pass filter with 70MHz, so the waveform better than SN. Parallel and serial data input can be selected via a jumper.
Based on ESP32-S3-N16R8 module Voice-enabled with built-in mic and speaker Pre-loaded with AI Xiaozhi firmware Supports voice interaction and chat Includes tutorials and software tools
Compact 433 MHz wireless transceiver module with CC1101 core for stability. Supports FSK, OOK, ASK, and MSK modulation with up to 500kbps data transfer rate. Reliable transmission up to 350m in open sight with +11dBm output power. Low power consumption: Sleep current as low as 2uA, ideal for battery-powered applications. Programmable frequency allocation...
ESP32-S Screw Terminal Adapter for 38-pin ESP32-S development boards. Features screw terminals and female headers for secure, organized wiring. Provides direct access to all ESP32 I/O pins for easy prototyping and debugging. Ideal for IoT, automation, robotics, and educational projects. Clear pin labeling ensures quick and error-free connections. Compact...
Compact PWM signal monitor for accurate pulse width and frequency measurement. Wide range detection: Supports pulse widths from 50-9950us. Ideal for testing receivers, flight controllers, and servos. Displays clear signal status with anti-reverse connection protection. Upgraded design: Smaller, better performance, and quick display updates. Lightweight...
CJMCU-3247 current to voltage module for 0/4mA–20mA signal conversion Converts industrial current signals to adjustable voltage output (0–24V max) Operates on a wide supply voltage range of 7–30V DC Features low temperature drift (±100ppm/°C) for stable performance Ideal for process control, automation, and sensor interfacing Compact and reliable design...
LU-ASR01 Intelligent Voice Recognition Module with 98% accuracy and up to 10 m recognition range. Supports 5 customizable wake-up words and up to 100 user-defined voice commands. No programming required — configured via Tianwen Block graphical software. Features 8 I/O ports, PWM, UART, and sensor support (DHT11 / DS18B20). Includes 3 W audio amplifier for...
LM358-based square wave generator with adjustable duty cycle and frequency Wide frequency range (0.07Hz–200kHz) suitable for multiple electronic applications LED indicator provides real-time output signal status High output drive current (up to 500mA) for powering small relays and motors Four selectable frequency levels for precise tuning and waveform...
433 MHz wireless transceiver module with SMA antenna for stable, long-range communication. Powered by CC1101 chip from Texas Instruments, ensuring reliable performance. Supports FSK, OOK, ASK, and MSK modulation with up to 500kbps data rate. Seamless transmission over 350m range with low power consumption. Ideal for smart homes, industrial IoT, scientific...
High-efficiency solar power management module designed for 12V lead-acid batteries Supports up to 4A charging current using a standard 18V solar panel Built-in MPPT algorithm for 10–30% improved charging efficiency over PWM controllers Provides multiple outputs: 12V 8A, 5V 5A, and dual USB 5V 2.5A with smart control Compact 68mm x 68mm design with full...
Ultra-thin design & adhesive backing provides easy integration to any project. Excellent price-performance ratio. Easy communication with any microcontroller 5 pins 2.54mm pitch connector, 4x 4type 16 keys. Sticker can peel off for adhesive mounting.
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Supports Quad-band: GSM850, EGSM900, DCS1800 and PCS1900 Connect onto any global GSM network with any 2G SIM Make and receive voice calls using an external 8Ω speaker & electret microphone Facility to connect 4-pole TRRS mic and headset
25 W + 25 W continuous output power at THD = 10% with VCC= 20 V and RL= 8 Ω Wide-range single-supply operation (8 – 26 V) High efficiency (η = 90%) Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB Differential inputs minimize common-mode noise Standby and mute features Short-circuit protection
Operating voltage (v):DC 8 – 12V Chipset:TPA3118 - 28 pin Chinese Variant Power output:30W Material:FR4This is a Chinese variant of the TPA3118 in a 28-pin package.
ROHS approved Mini Solar panel The solar cells are encased and protected by a durable outer poly frame Polycrystalline silicon Max work voltage:5V Max work current: 200ma Dimension: 90mm×90mmx3mm RoboticsBD
Detecting range: 300~10000ppm Signal output indicator. Dual Signal output (analog output and TTL output). The TTL output signal is low level, allows us to connect with SCM directly. Analog output 0~5V voltage. Quick response and recovery. RoboticsBD
Working Voltage: 5.0V Maximum Working Current: 100mA Data Interface Level: L＜0.8V, H>2.7V, maximum voltage level 3.3V Particle Measurement Range: 0.3 ~ 1.0μm; 1.0 ~ 2.5μm; 2.5 ~ 10μmNote: Please purchase this adapter board to use it with Arduino and Raspberry Pi.
The APC220 radio module offers a cost-effective solution for wireless data communications, featuring an embedded high-speed microprocessor and high-performance IC. With its transparent UART/TTL interface, it eliminates the need for packetizing and data encoding, making it a popular choice among customers seeking better range performance at a low cost.
400 tie points 2 Power lanes, Total 100 tie points in power lanes 1 Double strip, Total 300 tie points Perfect for Arduino shield prototyping and testing Plastic housing, metal contact clips
830 Solder-less Points Ideal for Experimenting With Circuit Design In Labs Compatible with resistance, diodes, transistors, LED’s, Capacitors and other types of electronic components Colored coordinates for easy components placement. Accept a variety of wire sizes 20-29 AWG
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Operating voltage (VCC): 3 V to 5V Operating current: 120μA (typical) 190μA (max) Operating Temperature: -40°C ~ +85°C Photodiode sensitive to UV-A and UV-B Embedded operational amplifier Analog voltage output Low supply current (300uA type) and low standby current (0.1uA type) RoboticsBD
Automatic switching module for uninterrupted power supply Seamlessly switches between DC power supply and battery backup Supports DC 12V input with up to 10A current capacity Built-in under-voltage and over-voltage protection Simultaneously powers the load and charges the battery Compact, reliable, and easy to integrate into backup systems
Lithium Battery Level Indicator Module compatible with 1S to 8S batteries Operating voltage range: 3V to 34V with real-time battery status display Displays up to 4 bars based on battery voltage for intuitive power indication Compact design (44 x 20 x 7 mm) with reverse connection protection Suitable for lithium batteries, NiMH batteries, lead-acid, and...
XY-CD63 30A battery charging control module with full power-off protection Supports programmable undervoltage and overvoltage protection settings LCD display for real-time voltage, percentage, and timing functions Adjustable conduction/delay time for precise power management Dual operating modes: charging (IN) and discharging (OUT) Compact ABS housing,...
30A battery charging/discharging control module with automatic power-off protection Supports under-voltage and over-voltage protection for safe battery operation Dual modes: charging (IN) and discharging (OUT) with configurable limits LCD display with percentage, voltage, and timer readouts Adjustable parameters: upper/lower voltage limits, conduction...
BDT 1,130
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BDT 1,130tax excl.
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In-Stock
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Solar Power Manager 5V designed for IoT & renewable energy projects
Built-in MPPT algorithm for maximum solar panel efficiency
Dual charging modes: USB or 5V solar panel (up to 900mA)
Provides stable 5V 1A regulated output with ON/OFF control
Advanced safety protections for battery, solar input, and output
Compact, efficient solution for solar-powered embedded systems
