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Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0351
Contactless transmission of data and supply energy (no battery needed) Operating distance: Up to 100mm (depending on antenna geometry) RoboticsBD Operating frequency: 13.56MHz Data transfer: 106 kbit/s Data integrity: 16 Bit CRC, parity, bit coding bit counting Anticollision Typical ticketing transaction: <100 ms ( including backup management)...
Reference: 0245
Choose your desire Resistor value from below:
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: 1353
Length: 12.5 inches/30 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0761
Breadboard friendly Mounting Style: Through Hole Mounting Direction: Vertical
"Hrmph! All I have is a power supply with a 2.1mm plug and my doodly-whatsit has a 2.5mm jack. I keep trying to force the plug to fit but that 0.4mm difference just wont work....what am I going to do!?"
ENTER The Adapter. This 2.1mm to 2.5mm adapter is the best way to adapt a 2.1mm plug so that it will fit into a 2.5mm jack.
Remember that this will fit into a device that normally would require a 5.5 OD / 2.5mm ID plug, and lets you use a 5.5/2.1mm plug. Once this is in place you can just any and all of our DC barrel-plug wall adapters, as they all have 2.1mm plugs.
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Free Ship Over 5000 BDT
Quality Product
No Warranty
No Replacement
"Hrmph! All I have is a power supply with a 2.1mm plug and my doodly-whatsit has a 2.5mm jack. I keep trying to force the plug to fit but that 0.4mm difference just wont work....what am I going to do!?"
ENTER The Adapter. This 2.1mm to 2.5mm adapter is the best way to adapt a 2.1mm plug so that it will fit into a 2.5mm jack.
Remember that this will fit into a device that normally would require a 5.5 OD / 2.5mm ID plug, and lets you use a 5.5/2.1mm plug. Once this is in place you can just any and all of our DC barrel-plug wall adapters, as they all have 2.1mm plugs.
The latest price of 2.1mm to 2.5mm DC Barrel Plug Adapter in Bangladesh is BDT 82 You can buy the 2.1mm to 2.5mm DC Barrel Plug Adapter at best price from our RoboticsBD or visit RoboticsBD Office.
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Reference: RBD-0730
The performance is much higher than LM2577. Non-isolated Boost converter. It has a non-synchronous rectifier. Low ultra wide input voltage 3 v ~ 32 v, the best is 5 ~ 32 v working voltage range; Low ultra wide output voltage 5 v ~ 35 v;
Reference: RBD-2365
Versatile battery tester supporting constant current, voltage, power, and resistance modes. Measures key parameters like voltage, current, power, capacity, and temperature. Compact design with clear LCD display for accurate real-time readings. Wide testing range: voltage 2-200V, current 0.2-20A, and power up to 150W. Features built-in safety protections:...
Reference: RBD-2656
TPS63020 Automatic Buck-boost Step up Down Power Supply Module 5V Lithium Battery Low Ripple Voltage Converter TPS63020 is a high-efficiency small buck-boost power supply module. The input voltage ranges from 1.8V to 5.5V, the output current can be as high as 3A, and the efficiency is as high as 96%. It can automatically switch between buck and boost...
Reference: RBD-0549
Breadboard power supply module, compatible with 5V, 3.3V. RoboticsBD Apply to MB102 breadboard Input voltage: 6.5-12 V (DC) or USB power supply Output voltage: 3.3V/5V can switch over Maximum output current: <700 ma Fluctuation two road independent control can switch over to 0 V, 3.3 V, 5 V On-board two groups of 3.3V, 5V DC output plug pin, convenient...
Reference: RBD-1769
Input Voltage: 4.5V – 28V Output Voltage: 0.8V – 20V Output Voltage Adjustment: On-board potentiometer Output Current: 1.8A (typical), 3.0A (max). Ceramic Capacitor Stable Internal Soft-Start Internally Set Current Limit without a Current Sensing Resistor
Reference: RBD-2767
Input voltage :10-32V Output voltage: 12-35V (adjustable) Output Current: 10A (MAX) Input Current: 16A (MAX) (Please enhance heat dissipation if more than 10A) The non-isolated step-up power conversion module Onboard LED illuminates when the voltage is applied to the module Equips Multi-turn Potentiometer.
Reference: RBD-3145
The 4S1P 18650 Battery Holder is designed to securely hold four 18650 Li-ion cells in series, providing a total voltage of 14.8V. Equipped with a built-in Protection Circuit Module (PCM), this holder ensures safe usage by protecting against overcharge, over-discharge, over-current, and short circuits. This battery holder is ideal for customized...
Reference: RBD-3287
The XL6009 DC-DC Buck Boost Power Module is a high-efficiency voltage regulator that can step up or step down the input voltage while maintaining a constant and adjustable output voltage. This makes it ideal for applications where a stable power supply is required, despite fluctuating input voltages.
Reference: RBD-1896
Input interface: USB Type-C Current Protection: Yes Charging mode: Linear charging. Current: 1A adjustable. Charge precision: 1.5%. Input voltage: 4.5V-5.5V. Full charge voltage: 4.2V.
Reference: RBD-2461
XL7015 5V-80V DC-DC 0.8A Dc converter Step-down Module Wide Voltage Input LM2596
Reference: RBD-2355
Versatile Charging Module: Supports seamless UPS functionality for uninterrupted power supply. High Power Capacity: Capable of delivering up to 15W rated output with a peak of 20W. Multi-Voltage Output: Selectable 5V, 9V, or 12V output options for various devices. Efficient Power Management: Includes lithium battery charging, protection, boost output, and...
Reference: RBD-1421
3S 11.1V 12.6V 20A 18650 lithium battery protection board (comes with recovery function-AUTO Recovery). Application: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650.26650, a polymer lithium battery). Continuous discharge current (upper limit): 20A (if the cooling environment is not good, please reduce the load current use). Continuous...
Reference: RBD-2849
ALOEU Parameter setting: 1. Press and hold the set key to enter the parameter setting interface; 2. After entering the parameter setting interface, short press the set key to switch the set parameters; 3. After the parameters are , they can be set by up / down key. Short press and long press are supported; 4. If you want to set other parameters, repeat...
Reference: RBD-1524
Input Voltage(VDC): 4 ~ 40. Output Voltage(VDC): 1.3 ~ 37. Output Current: 2A Rated, ( 3A maximum with heat sink). Switching Frequency: 150 kHz. Input reverse polarity protection. Built-in output short protection function.
Reference: RBD-1955
Maximum Output Current: 3.3A MAX Conversion efficiency: can up to 97.5% Switch frequency: 500KHz Operating temperature: Industrial grade (-40 ° to + 85 °) Improve conversion efficiency
Reference: RBD-3061
The RS-25-12 Switching Power Supply is a reliable, compact, and efficient solution for providing a steady 12V output with up to 2A of current. Designed for a wide range of applications, this 25W power supply is perfect for powering low-voltage electronics in industrial, commercial, or DIY projects.Made in China
Reference: RBD-3330
The DC/AC Step-Up Inverter Module - 500W efficiently converts 12V DC to AC 220V, making it an ideal solution for portable power applications, emergency backup, and DIY electronics projects. This inverter is compact and lightweight, yet powerful enough to handle non-inductive household appliances, lighting systems, and various electronic devices.
Reference: RBD-1874
Suitable for DIY & Hobby Kits, Routers, and Home Appliances. Rated Input AC Voltage 100v-240v It comes with a 1 meter long 24 AWG cable Stabilized DC Output with Low Ripples & Interference Short Circuit & Overload Protection High Efficiency & Low Energy Consumption RoHS and BIS compliance Approved.
Reference: RBD-1892
Input interface: micro USB. Current Protection: Yes Charging mode: Linear charging. Current: 1A adjustable. Charge precision: 1.5%. Input voltage: 4.5V-5.5V. Full charge voltage: 4.2V.
Reference: RBD-0732
Excellent material It is an environmental 9V battery buckle The Cable Length: 12cm Approx. Convenient for connecting a battery to your application. Save power and protect the environment Good electrical conductivity and comfortable sense of touch
Reference: RBD-1871
5V single power supply. Wave frequency adjustable 0-400Hz adjustable frequency pure sine wave. Unipolar and bipolar modulation mode. External 12MHz crystal oscillator. PWM carrier frequency 23.4KHz. Voltage, current, temperature feedback real-time processing. Overvoltage, Undervoltage, overcurrent, overheating protection function. Pin set soft-start mode...
Reference: RBD-2457
Regulates 4.5 – 40V input to a 1.25 – 37V output @ up to 1.5A
Reference: RBD-2673
Specifications: Output Voltage: 24V DC Output Current: 25A Output Power: 600W Output Frequency: 85% Voltage Accuracy: ±1% Load Stability: ±0.5% AC Input Voltage Range: Switch Selection (100V-120V or 200V-240V) Working Temperature: -10℃ to +50℃ Storage Condition: -20℃ to 80℃
Reference: RBD-3274
The Adjustable 24V 2.5A Power Supply Adapter is a powerful and efficient switching power supply that delivers precise voltage regulation with adjustable output between 3V and 24V DC. This 60W power adapter is ideal for a variety of high-power applications, including CCTV systems, industrial control devices, DIY electronics, and LED lighting setups.Brand:...
Reference: RBD-0388
Input voltage : 4.5V ~ 5.5V. Input Interface: Micro USB port. Charging method: linear charge. A full charge voltage: 4.2V. RoboticsBD Power: 4.2 w. Charging accuracy: 1.5%. Operating Temperature: -10 to +85ºC Charging indicator: Blue LED charging, Red LED full Check out New Product TP4056 Lithium Battery Charger Module With Protection Dual Functions
Reference: RBD-2108
Multiple Outputs: 5V+9V+12V Constant DC output, long backup time up to 6 hours Intelligent circuit design with over-charging, over-discharging and short circuit protections Suitable for 95% DC/USB digital products, such as: modem, router, CCTV camera, mobile phone etc.
Reference: RBD-3202
The Fulree F35J5V20A5L 5V 20A DC-DC Power Converter is a powerful voltage stabilizer designed for high-current applications. It efficiently converts a wide range of input voltages (10-35V) into a stable 5V output with a maximum current of 20A, ideal for powering demanding industrial equipment, automotive systems, and renewable energy devices. Its rugged...
Reference: RBD-3441
3A DC-DC Buck Step-down Converter Constant Voltage 12V Fixed Output Module
Reference: RBD-1876
Input Voltage (V): 100 ~ 280 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 12V 1.8. Input Plug: 2-Pin USA type. Output Plug: 5.5mm DC plug. Model: HS 121800 This adapter is available in two colors, and the color will be shipped randomly.
Reference: RBD-0494
Input Voltage (V): 100 ~ 280 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 12V 2A. Input Plug: 2-Pin USA type. Output Plug: 5.5mm DC plug. RoboticsBD Model: STD-120200
Reference: RBD-1791
Diameter 3mm and Length 12 (M3 x 12) Phillips Flat Head Machine Screw (Countersunk)
Reference: RBD-1952
Digital Multi Meter Banana Plug To Test Hook Clip Probe Cable Length: 1 Meter Voltage: 1000V 20A Weight: 43g
Reference: RBD-0904
Pair of wires for soldering with DC motors DC applications, breadboards, electronics, and robotics DIY projects Length: 120mm
Reference: RBD-0314
Colour: Red, Green, Yellow, White, and Black, etc. Cable length: 40 cm. RoboticsBD Net weight: 50 gm. They are very useful for connecting components to wires. It is insulation covered clips connected to the wire from both ends. RoboticsBD *You will receive 1 pcs cable of random color.
Reference: RBD-0842
Maximum Repetitive Peak Reverse Voltage (VRRM): 1000V. Maximum RMS voltage (VRMS): 700V. Maximum Average Forward Rectified Current(IF(AV)): 3A.
Reference: RBD-1927
Female Barrel Connector to Alligator Connector Color Red and Black Cable length 25cm approx.
Reference: RBD-2104
40P color jumper wires Length: 300mm Weight: 45 gm Compatible with 2.54mm spacing pin headers High quality and in good working condition Durable and reusable Easy to install and use
Reference: RBD-2863
Adapter 5.5mm x 2.5mm to 5.5mm x 2.1mm Perfect for DIY projects, CCTV applications, and replacing broken connectors. Compact and convenient design for easy integration and storage.
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-2334
DC Barrel Power Jack Plug Connector (Male) with 2.5mm inner diameter and 5.5mm outer diameter Features cylindrical shape with black and silver finish for a sleek design Compatible with standard 2.5mm x 5.5mm female barrel connectors Includes strain relief and solder terminals for secure connections Ideal for use with wall DC adaptors and various power...
Reference: RBD-1926
Male Barrel Connector to Alligator Connector Color Red and Black Cable length 25cm approx.
Reference: RBD-1927
Female Barrel Connector to Alligator Connector Color Red and Black Cable length 25cm approx.
Reference: RBD-1832
Simple & professional appearance for power cabling. Easy camera installation, saves time and provides more secure cable connection. No electrical tape, no splicing, no crimping - only a small screw driver needed.
Reference: RBD-2104
40P color jumper wires Length: 300mm Weight: 45 gm Compatible with 2.54mm spacing pin headers High quality and in good working condition Durable and reusable Easy to install and use
Reference: RBD-2105
40P color jumper wires Length: 300mm Weight: 45 gm Compatible with 2.54mm spacing pin headers High quality and in good working condition Durable and reusable Easy to install and use
"Hrmph! All I have is a power supply with a 2.1mm plug and my doodly-whatsit has a 2.5mm jack. I keep trying to force the plug to fit but that 0.4mm difference just wont work....what am I going to do!?"
ENTER The Adapter. This 2.1mm to 2.5mm adapter is the best way to adapt a 2.1mm plug so that it will fit into a 2.5mm jack.
Remember that this will fit into a device that normally would require a 5.5 OD / 2.5mm ID plug, and lets you use a 5.5/2.1mm plug. Once this is in place you can just any and all of our DC barrel-plug wall adapters, as they all have 2.1mm plugs.
