• How to Place an Order

  • Store Pick Up

  • Request for Quotation/ International Sourcing

  • Order Status

Jumper Wire Single Medium Quick view

Reference: RBD-1354

Jumper Wire Single Medium

Length: 8.5 inches (Medium) Material: Copper Plated.EachPin Spacing: 2.54mm.Color: Colorfulcompatible with 2.54mm mil spacing pin headers.It can be used for PCB project, pc motherboard, etc.Allow you to plug and unplug easily for prototyping.Package Contents: 1 x Jumper Wire You will get only one pcs.

Price BDT 3
More
In-Stock
Choose Your Size Quick view

Reference: RBD-984

Heat Shrink Tube

Heat Shrink Tubing 2:1, Eventronic Electrical Wire Cable Wrap Assortment Electric Insulation Heat Shrink Tube Kit (1 pcs) Please Choose Size Below

Price BDT 2
More
In-Stock
470 Ohm 1/4w - Pack of 5 Quick view

Reference: RBD-245

Kiloohm (KΩ) 1/4w Resistors - Pack of 5

Choose your desire Resistor value from below: 

Price BDT 5
More
In Stock
Jumper wire 40 Pcs Quick view

Reference: RBD-31

Jumper Wire 40 Pcs Set

3 Types Available 1. Male to Male  2. Male to Female 3. Female-Female

Price BDT 90
More
In Stock
Buzzer Quick view

Reference: RBD-766

Ohm (Ω) 1/4w Resistors - Pack of 5

Choose your desire Resistor value from below: 

Price BDT 5
More
In-Stock
Push Button Switch Quick view

Reference: RBD-761

Push Button Switch

Push Button Switch

Price BDT 5
More
Pre-Order
5 mm Green LED (Pack of 5) Quick view

Reference: RBD-768

5 mm Red LED (Pack of 5)

5 mm Red LED (Pack of 5)

Price BDT 5
More
Pre-Order
Buzzer Quick view

Reference: RBD-758

BC547 NPN Transistor

BC547 NPN Transistor

Price BDT 2
More
In-Stock
On sale! Arduino Uno R3 (Made in Italy) Quick view

Reference: RBD-94

Arduino Uno R3

Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.

Price BDT 670
More
In Stock
Buzzer Quick view

Reference: RBD-755

5 mm Green LED (Pack of 5)

5 mm Green LED (Pack of 5)

Price BDT 5
More
In-Stock
All best sellers
TP4056 5V Mini USB Charger Module
  • TP4056 5V Mini USB Charger Module

TP4056 5V Mini USB Charger Module

RBD-388
TP4056 5V Mini USB Charger Module
BDT 30
rating Read the 11 reviews
Average rating: 4/5 - Number of reviews: 11
Quantity
Out-of-Stock

  • Store Pickup Available! Store Pickup Available!
  • Free Ship Over 5000 BDT Free Ship Over 5000 BDT
  • Quality Product Quality Product
  • No Warranty No Warranty
  • No Replacement No Replacement
Description

Board Details:

Charge module: Linear charging. 
Current: 1A (Adjustable)
Charge precision: 1.5%
Input voltage: 4.5V-5.5V
Full charge voltage: 4.2V 
LEDs: red - charging | green - charged. 
Input interface: mini USB and Solder plates
Work temperature: -10ºC to 85ºC
Inversed polarity: NO 
Small Size: 27mm x 19mm x 5mm.
(LED Colors may vary)

Description and warnings
This is not meant for charging a battery from a USB Port from a computer. A USB 
Port will only source 500mA max. If you want to use this to charge from a USB port 
you would have to replace the resistor which is explained below. Even then, we 
have not done tests to know if this will make using a USB computer port an option 
with this board.

An ampere meter can only be connected to 5v input end of the module. When charging
it is better that the charging current is 37% of the battery capacity. So if you charge to the 
battery of 1000mAH, current of 400 is enough. Make sure you use a proper gauge wire 
for the current being used. Too thin and it will burn, too thick and the circuit may not act 
correctly. Make sure the connection at the contract points are good. If the input voltage is 
too high, like 5.2v, the current will be less than 1000mA, it is a normal protection function. 
NO Reverse polarity, connecting the battery the wrong way will fry the chip.

The current can be altered (lowered) by changing the resistor connected to pin 2 of the IC
(at the bottom middle of the board in relation to the direction of the text). In the configuration 
the module ships with the current is 1A. Changing out the surface mount resistor with a higher 
resistance will lower the current. The chart below will give you estimates of some resistor to 
 
current values:
 
Ohms mA
30K 50
20K 70
10K 130
5K 250
4K 300
3K 400
2K 580
1.66K 690
1.5K 780
1.33K 900
1.2K 1000
Product Details
RBD-388

Mehedi Hasan
rating
11/08/2020
Mehedi Hasan
Very useful product
Zubair khan
rating
29/07/2020
Zubair khan
সমস্যা \r\nভালো
Ok
rating
21/07/2020
Shabab hossain
Good product fast delivery
Wd
rating
16/07/2020
Khalid
Good
seems OK
rating
12/07/2020
Md. Shamim Akbar
Good product. Can comment better after using
Pleasurable
rating
28/06/2020
Jubayer Al Mahmud
Nice product to recharge multiple battery at a time.
Good
rating
25/06/2020
S M Tanvir Islam
Good Product
Mehedi Hasan
rating
24/05/2020
Mehedi Hasan
Nice product
Acceptable.
rating
15/10/2019
HoRoToN
Comes without any packaging. Which is a bad thing. It can get damaged while shipping. So thats a bummer.
charger module
rating
16/08/2019
ESTIAK KHAN
good
something................
rating
30/01/2019
Rahatul I.
something................
30 other products in the same category:
RS485 USB-485 Converter Adapter Support Win7 XP Vista Linux Mac OS Quick view

Reference: RBD-566

RS485 USB-485 Converter Adapter Support Win7 XP Vista Linux Mac OS

 RS485 USB-485 Converter Adapter Support Win7 XP Vista Linux Mac OS

Price BDT 1,000
More
In-Stock
1N4148 Diode Quick view

Reference: RBD-1355

1N4148 Diode

1N4148 diode is a small high-speed switching diode with fast switching. It is widely used in single-pass isolation for circuits with high signal frequency, communication, computer board, TV circuit, and industrial control circuit

Price BDT 1
More
In-Stock
Jumper Cap (Pack of 10) Quick view

Reference: RBD-1698

Brand: DFRobot

Jumper Cap (Pack of 10)

Price BDT 10
More
In-Stock
ON/OFF Switch 12VDC Quick view

Reference: RBD-994

ON/OFF Switch 12VDC

ON/OFF Switch 12VDC

Price BDT 10
More
In-Stock
10K Ohm Potentiometer Quick view

Reference: RBD-996

10K Ohm Potentiometer

10K Ohm Potentiometer

Price BDT 20
More
In-Stock
Button Keypad 3x4 module... Quick view

Reference: RBD-1333

Button Keypad 3x4 module (Assembled)

The module has 12 push buttons. You can make usual keypads for enter numbers, symbols, or navigate and selections in the program. There are pull-up resistors of different values for each button. This makes it possible to connect all the 12 keys to taking only one analog port of the microcontroller. The button consists of two parts: a cap, which can be...

Price BDT 699
More
In-Stock
5V 1 Channel Solid State Relay (ssr) Quick view

Reference: RBD-737

5V 1 Channel Solid State Relay (SSR)

5V 1 Channel Solid State Relay (SSR)

Price BDT 270
More
In-stock
AC Light Dimmer Module, 2... Quick view

Reference: RBD-1331

AC Light Dimmer Module, 2 Channel, 3.3V/5V logic, AC 50/60hz, 220V/110V

AC Light Dimmer Module, 2 Channel, 3.3V/5V logic, AC 50/60hz, 220V/110V General information This is the good old AC Dimmer, but with 2 channels. This one also can control the alternating current voltage in the same way. It can be used with lamps, elements, fans, pumps, air cleaners etc. So it’s the same thing, but twice bigger. In the tutorial, you can...

Price BDT 1,099
More
In-Stock
LM35 Quick view

Reference: RBD-241

LM35 Temperature Sensor

Description The Original LM35 series are precision integrated-circuit temperature sensors, with an output voltagelinearly proportional to the Centigrade temperature. Thus the LM35 has an advantage over linear temperature sensors calibrated in ° Kelvin, as the  user is not required to subtract a large constant voltage from  the output to obtain...

Price BDT 85
More
In Stock
AC Light Dimmer Module, 1... Quick view

Reference: RBD-1330

AC Light Dimmer Module, 1 Channel, 3.3V/5V logic, AC 50/60hz, 220V/110V

The AC Dimmer is designed to control the alternating current voltage, which can transfer current up to 600V/16А.

Price BDT 850
More
In-Stock
Key Switch Small Quick view

Reference: RBD-1329

Key Switch Small

Have you ever wanted to start your widget the same way you start your car? These small switches are the key to making that happen. This simple ON-OFF switch can be used to power up your project with the turn of a key. At only 14.6mm across the top and 23mm long, it won't take up much space in your project enclosure. While the datasheet does rate these...

Price BDT 95
More
In-Stock
IR Transmitter - White (5mm) Quick view

Reference: RBD-1188

IR Transmitter - White (5mm)

IR Transmitter - White (5mm) 5 mm Clear Transparent Round Small Lens (Emitting Angle: 30 degrees) Forward Voltage / Direct Current : DC 1.5 Volt 20 mA (Low Voltage Energy Saving) Infrared Ray 850nm (Luminous Invisible Light) for Night Vision CCTV Security Camera Polarity (1.5 V) : Anode (Longer Part) | Cathode (Shorter Part)

Price BDT 4
More
In-Stock
Buzzer Quick view

Reference: RBD-758

BC547 NPN Transistor

BC547 NPN Transistor

Price BDT 2
More
In-Stock
Capacitor 16v 100uf Quick view

Reference: RBD-844

Capacitor 16v 100uf

Capacitor 16v 100uf

Price BDT 3
More
In-Stock
9V Battery to 2.1mm for Arduino Uno Quick view

Reference: RBD-732

9V Battery to 2.1mm for Arduino Uno

9V Battery to 2.1mm for Arduino Uno Connector 

Price BDT 20
More
Pre-Order
Zener Diode 3.3V Quick view

Reference: RBD-1361

Zener Diode 3.3V

3.3V Zener Diode. 1W

Price BDT 2
More
In-Stock
Diode 1N5408 Quick view

Reference: RBD-842

Diode 1N5408

Diode 1N5408

Price BDT 3
More
In-Stock
EL Wire-Green 3m With... Quick view

Reference: RBD-1538

EL Wire-Green 3m With Pocket Inverter

EL wire is a thin copper wire coated in a phosphor that glows a 360 degree unbroken light when an alternating current is applied to it. It is bendable as a thin neon tube which makes it ideal for flexible decoration. It is great for car decoration, parties, camping and so on.

Price BDT 540
More
In-Stock
AMS1117 3.3V 5V/3.3V DC... Quick view

Reference: RBD-1408

AMS1117 3.3V 5V/3.3V DC Mini USB Power Supply Module

Description: AMS1117 3.3V 5V/3.3V DC Mini USB Power Supply Module 1 MINI USB input: 5V DC 2. DC power input: 5V-12V 3. Output: 5V / 3.3V 4. size: 25 * 25mm Package Include:  1x AMS1117 3.3V 5V/3.3V DC Mini USB Power Supply Module

Price BDT 80
More
In-Stock
On sale! JF-0530B Pull Push Type Electric Solenoid Electromagnet 10mm 5N DC12V Quick view

Reference: RBD-432

JF-0530B Pull Push Type Electric Solenoid Electromagnet 10mm 5N DC12V

Product Name : DC Solenoid Electromagnet;Model : JF-0530B;Rated Voltage : DC 12V RatedCurrent : 300mA;Action Form : Pull Push Type;Rated Stroke & Force : 10mm, 5N Body Size : 30 x 15x 15mm/1.2"x 0.59"x 0.59"(L*W*H);Pluger Dia. : 56mm/ 2.2" Cable Length : 20cm/ 7.9";Material : Metal, Electronic Parts Weight : 32g;Package Content : 1 x DC Solenoid...

Price BDT 790
More
In-Stock
XD-42 Breadboard Power... Quick view

Reference: RBD-1736

XD-42 Breadboard Power Supply 5V / 3.3V Micro USB

Power Supply Board for Breadboard   This PSU board is designed to fit directly onto a standard breadboard such as our BB400T and BB830. to give 2 power rails, 5V or 3.3V, Rail voltages are switch selectable. It can be powered by 7-12V at the DC socket or 5V via the micro USB socket.   Voltage in : 5VDC Via USB or 7-12VDC  Max Current : 700mA

Price BDT 130
More
In-Stock
Micro Limit Switches Quick view

Reference: RBD-1369

Micro Limit Switches

KW11-3Z bearing microswitch. 5A;250VAC 

Price BDT 130
More
In-Stock
Buzzer Quick view

Reference: RBD-754

DC barrel jack

DC barrel jack

Price BDT 10
More
In-Stock
 DC-DC 9V/12V/24V to 5V USB Step Down Power Module 2A Quick view

Reference: RBD-623

DC-DC 9V/12V/24V to 5V USB Step Down Power Module 2A

DC-DC 9V/12V/24V to 5V USB Step Down Power Module 2A

Price BDT 400
More
In-stock
LM358P Dual Operational Amplifiers Op-Amp DIP8 Quick view

Reference: RBD-1013

LM358P Dual Operational Amplifiers Op-Amp DIP8

LM358P Dual Operational Amplifiers Op-Amp DIP8

Price BDT 10
More
In-Stock
Digispark Kickstarter ATTINY85 Arduino General Micro USB Development Board Quick view

Reference: RBD-349

Digispark Kickstarter ATTINY85 Arduino General Micro USB Development Board

Digispark USB Development Board The Digispark is an Attiny85 based microcontroller development board similar to the Arduino line, only cheaper, smaller, and a bit less powerful. With a whole host of shields to extend its functionality and the ability to use the familiar Arduino IDE the Digispark is a great way to jump into electronics, or perfect for when...

Price BDT 390
More
In-Stock
DS1302 Real Time Clock... Quick view

Reference: RBD-668

DS1302 Real Time Clock Module (DS1302Z clock chip,32.768KHZ crystal)

DS1302 Real Time Clock Module (DS1302Z clock chip,32.768KHZ crystal)

Price BDT 200
More
In-Stock
XL4015 DC-DC Step Down Adjustable Power Supply Module 5A Max Quick view

Reference: RBD-395

XL4015 DC-DC Step Down Adjustable Power Supply Module 5A Max

 Specification: Input voltage range:4~38VDC(Note:input voltage not exceeding 38V) Output voltage range:1.25-36VDC adjustable Output current: 0-5A, recommended for use in 4.5A. Output power: 75W Working temperature: -40~+85 degrees Operating frequency: 180KHz Efficiency:96%(max) Short circuit protection: yes(limit current 8A).

Price BDT 190
More
In-Stock
Buzzer Quick view

Reference: RBD-757

IR Transmitter Diode

IR Transmitter Diode

Price BDT 5
More
In-stock
AA Size Battery Holder 1S Quick view

Reference: 1741

AA Size Battery Holder 1S

AA Size Battery Holder 1S

Price BDT 18
More
In-Stock
Customers who bought this product also bought:
DC Male Power Jack Plug Connector Quick view

Reference: RBD-998

DC Male Power Jack Plug Connector

DC Male Power Jack Plug Connector

Price BDT 6
More
In-Stock
TowerPro MG90s – Micro Metal Servo Quick view

Reference: RBD-217

TowerPro MG90s – Micro Metal Servo

Product Description Specification: Stall torque: 2.2kg/cm(4.8V )2.5kg/cm(6V)Operating speed: 0.11sec/60degree(4.8v), 0.10sec/60degree(6v)Operating voltage: 4.8-6.0VDead band width: 10usDimension: 23*12.2*29mmWeight: 14g

Price BDT 375
More
In-Stock
Male Pin Header Single Row  ( Short ) Quick view

Reference: RBD-654

Male Pin Header Single Row ( Short )

Male Pin Header Single Row  ( (Short) 40 pin set )

Price BDT 10
More
In-Stock
2 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM Quick view

Reference: RBD-408

2 Channel 5V Relay Board Module

This is a 5V 2-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller (Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) . **Relay Brand is different from the picture as per stock

Price BDT 210
More
In Stock
KEWEISI KWS-10VA USB TESTER AMMETER-VOLTMETER Quick view

Reference: RBD-963

KEWEISI KWS-10VA USB TESTER AMMETER-VOLTMETER

The Keweisi KWS-10VA is great for checking 5V USB loads. We use one of these devices with an Original iPad charger for testing general charging issues There are two ports on the device, however they are connected together, so we don’t suggest charging multiple devices at once. For convenience however, you can connect a Micro USB, and Lightning cable (for...

Price BDT 360
More
In-Stock
Blue Led 5mm (pack of 5) Quick view

Reference: RBD-1300

Blue Led 5mm (pack of 5)

Blue Led 5mm (pack of 5)

Price BDT 5
More
In-Stock
Arduino Pro Mini 328 Quick view

Reference: RBD-155

Arduino Pro Mini 328

Arduino Pro Mini 328

Price BDT 599
More
In- Stock
Precision Real Time Clock Module DS3231 AT24C32 I2C Quick view

Reference: RBD-386

Precision Real Time Clock Module DS3231 AT24C32 I2C

Precision Real Time Clock Module DS3231 AT24C32 I2C With Battery

Price BDT 180
More
In-Stock

Follow us on Facebook