
Reference: RBD-1354
Jumper Wire Single 20cm
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
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
NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator is 5 V square wave signal generator. It generates a square wave signal used for experimental development. Also, use to drive a stepper motor for generating a square wave drive signal. Featured By RoboticsBD.
The output duty cycle can fine-tune. Duty cycle and frequency is not separately adjustable, adjusting the duty cycle will change the frequency.
The output frequency is adjustable:
Product Images are shown for illustrative purposes only and may differ from the actual product.
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General Specification | |
Input Voltage Range | 5-15V |
Input Current (A) | >=100m |
Output Voltage(V) | 4.2 ~ 11.4 |
Max. Output Current (A) | 15mA – 35mA |
Length (mm) | 31 |
Width (mm) | 22 |
Height (mm) | 16 |
Weight (gm) | 7 |
Shipment Weight | 0.01 kg |
Shipment Dimensions | 6 × 6 × 4 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator
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The latest price of NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator in Bangladesh is BDT 150 You can buy the NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator at best price from our RoboticsBD or visit RoboticsBD Office.
Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
Product Images are shown for illustrative purposes only and may differ from the actual product. |
Reference: RBD-2659
Trigger Voltage: 5VDC Switching Voltage: 250VAC@30A; 30VDC@30A The module can be set high level or low-level trigger by the jumper Note: Relay brand may vary from actual product as our stock rotates.
Reference: RBD-2672
MCP3008 is one of the famous Analog to Digital converter IC. This chip will add 8 channels of 10-bit analog input to your microcontroller or microcomputer project. It's super easy to use, and uses SPI so only 4 pins are required. We chose this chip as a great accompaniment to the Raspberry Pi computer, because its fun to have analog inputs but the Pi does...
Reference: RBD-3459
The XHM542 High Power Digital Audio Amplifier is a compact and powerful solution designed for delivering exceptional audio clarity and performance. Built around the reliable TPA3116D2 amplifier chip, this module can deliver up to 100W of output power, making it ideal for a wide range of applications requiring clear, powerful, and distortion-free sound.
Reference: RBD-0358
Dimensions: 11×15 x 2 (L x W x H) mm Weight: 1gm Mutual transform between 5V TTL and 3.3V TTL Two channels of logic and high voltage low voltage logic can two-way transform Portable and lightness, with 2 rows 4 pin contact pins
Reference: RBD-2086
Operating Voltage: 5V Contact Resistance : 50mΩ max (initial) Electrically Life:100,000 cycles Environment temperature: -25°C to +105°C Operating Force: 180/230(±20gf) Seal temperature:250ºC-280ºC I/O pins: 3 pins
Reference: RBD-0440
433MHz operation Ultra-low power consumption (3.5mA or 22mA depending on mode) with sleep option (80μA). 10dBm output power and high sensitivity providing long range in the open environment. 3V-6V operating voltage. Serial pass-through mode to replace the serial cable (half duplex). IO pass-through modes. RoboticsBD
Reference: RBD-2856
Brand: DFRobot
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. Solar Power Manager 5V is a small power and high-efficiency solar power management module designed for 5V solar panel. It features as MPPT...
Reference: RBD-2758
With this module you can easily measure sound with an analog pin on your Arduino or other microcontroller. The module has an automatic gain/amplification (ACG) of the microphone: The module amplifies sounds with a low volume more, and sounds with a higher volume less.
Reference: RBD-3431
Original CSR BC417 Chipset for high-performance and stable Bluetooth communication. Supports Both Master and Slave Modes – fully configurable via AT commands. Bluetooth 2.0 + EDR Protocol for fast data transfer and low power consumption. Wide Compatibility: Works with Arduino, Raspberry Pi, ESP32, STM32, and more. 6-Pin Interface with Built-in 3.3V...
Reference: RBD-0990
Support any Chinese text, English text synthesis, and support for English mixed Support voice codec function, the user can use the chip for direct recording and playback Support speech recognition function, can support the recognition of 30 command words.
Reference: RBD-2760
RS422 interface, two-way communication. B Y Z A ultra far transmission 1000 meters The module has ESD 15KV protection. Onboard to increase the limit of 10 ohms current limiting current protection. Module with TVS diode. Anti lightning, peak voltage. The module has 120-ohm termination resistors, which can effectively reduce the interference of long-range...
Reference: RBD-3267
The 100A High-Power MOSFET Module is a heavy-duty power management solution, designed to control high-current loads up to 100A while operating at voltages from 5V to 26V. Its compact and durable design ensures stable and efficient performance in industrial, automotive, and high-power electronics applications.
Reference: RBD-2558
This is a mini Laser light module with onboard triode current amplifier circuit, it gets only 1.3mA from the SIG pin so it is compatible with much more MCU. Note: For safe use, the module must not directly illuminate human eyes or irradiate human body for a long time. Features: - Output wavelength: 650nm - Working voltage: 4.75-5.5V - Working current:...
Reference: RBD-1594
29mm diameter 10 LED Dimmable 50-degree viewing angle
Reference: RBD-0624
Operating Voltage: DC 2V- 9V Operating frequency: 85MHZ - 115MHZ Output Impedance: 50 ohms
Reference: RBD-2557
Introducing the Battery Level Display Module, a versatile and user-friendly device based on battery-style digital tube LED technology. This module features 10 light segments and incorporates the TM1651 driver chip for simplified control, requiring only two signal lines along with VCC and GND connections. It is specifically designed for displaying battery...
Reference: RBD-2156
Easy communication with any microcontroller. Tactile type switches. Over 1,000,000 operations per key. Contact rated for 12V dc @ 20mA. Over 1,000,000 operations per key.
Reference: RBD-2290
PS2 Game Rocker Push Button Module for Arduino with X, Y axis potentiometers Outputs two analog voltages and one digital level for precise control Includes four independent OMRON buttons with long life and excellent tactile feedback Perfect for two-degree-of-freedom control or remote proportional control projects Compact design with color-coded buttons...
Reference: RBD-2680
4-way Pacman type arcade joystick. Heavy duty design gives this joystick a great feel! ABS plastic and solid alloy construction Uses 4 microswitches to detect on/off position Unique handle design Spring return to center Very rugged construction Rated 5A @ 125V, 3A @ 250V* Overall height: 101mm Base: 97x65mm Joystick height: 60mm 4-way, large...
Reference: RBD-3206
The Metal Motor Servo Tester ESC Checker Master is a professional-grade tool designed to test and calibrate servos and electronic speed controllers (ESCs) for RC drones, cars, boats, and helicopters. With its durable aluminum alloy construction and versatile functionality, this tester allows you to adjust and synchronize multiple servos or ESCs with ease....
Reference: RBD-2488
Support Hardwired TCP/IP Protocols: TCP, UDP, ICMP, IPv4 ARP, IGMP, PPPoE, Ethernet 10BaseT/100BaseTX Ethernet PHY embedded Auto-Negotiation (Full-duplex and half duplex) Support Auto MDI/MDIX Simultaneously Supports to 4 independent sockets 0.18 µm CMOS technology 3.3V operation with 5V I/O signal tolerance Provide Serial Peripheral Interface (SPI MODE...
Reference: RBD-0386
1 Hz output pin SQW. 32 KHz output pin 32K. RoboticsBD Voltage Supply: 2.2 V ~ 5.5 V (for RTC). Time Format: HH: MM: SS (12/24 hr). Date Format: YY-MM-DD-dd. DS 3231 based RTC with 2032 Battery Holder. RoboticsBD Battery is not included Note: Batteries not included.
Reference: RBD-3189
The LD3320 Speech Recognition Module is a versatile and practical voice control development board designed for applications requiring natural language voice interaction. With its capability to recognize nonspecific human speech without pre-recorded training, the LD3320 is ideal for various projects like voice-controlled automation, interactive toys, and...
Reference: RBD-3446
The DC 12-24V Dual MOS Time Delay Cycle Timer Module is a highly precise, stable, and reliable timing controller ideal for a wide range of industrial and DIY applications. Featuring a high-precision industrial-grade chip and MOS output technology, this module offers excellent anti-interference performance, low losses, and high power handling up to 400W.
Reference: RBD-2323
NeoPixel WS2812B 5050 RGB LED Module with integrated smart driver Produces 24-bit true-color display with over 16 million colors Daisy-chain multiple modules with a single microcontroller data signal Compatible with Arduino, STM32, 51, and other microcontrollers Compact 14mm x 12mm module with bright and consistent 5050 LEDs
Reference: RBD-2919
This mono Class D amplifier module with a surprisingly compact form factor - less than 2cm on a side - uses a MAX98357 chip to deliver 3W of power. Its I2S input allows an easy association with a Raspberry Pi or ESP32, allowing for example to design a small portable amplified speaker.
Reference: RBD-2304
WS2812B RGB LED 24-Bit Ring with individually addressable LEDs Features 24 WS2812 5050 RGB LEDs in an 86mm outer diameter circular board Constant current drive (~18mA per LED) for consistent brightness at 5V Requires a microcontroller with an 8MHz or faster processor for precise control Equipped with solder pads and mounting holes for easy integration
Reference: RBD-2041
Model : KY-040. Type : Incremental Encoder. Cycles per revolution (CPR) : 20. Working voltage : 0 – 5V. Material : PCB + Brass. Mounting Nut Thread diameter: 6.6mm Weight : 10 gm.
Reference: RBD-2798
Add another eight pins to your microcontroller using a MCP23008 port expander. The MCP23008 uses two I2C pins which can be shared with other I2C devices, and in exchange gives you eight general purpose pins. You can set each of eight pins to be input, output, or input with a pullup. There's even the ability to get an interrupt via an external pin when any...
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-2426
1.5V USB ultrasonic mist maker driver board and atomizer plate. 2. Low driving voltage, low power, low impedance, stable waveform, high conversion efficiency. 3. Round ring atomizer plate, middle spray, 5um ultra-fine spray aperture, 740 ultra-dense spray holes. 4. The surface of the atomizing sheet adopts an oxidation-resistant silver layer to protect...
Reference: RBD-0702
It has a relay status indicator led Power LED(Green), 8 relay status indicator LED(Red) Relay control interface by single-chip IO. Low-level suction close, high-level release. Easy to use, simple 3 line structure. Note: Relay might be different from the picture as per stock
Reference: RBD-1855
Input voltage: 3-40V Output voltage: 1.5-35V(Adjustable) Output current: Rated current is 2A, maximum 3A Switching Frequency: 150KHz Operating temperature:Industrial grade (-40 to +85 ) Conversion efficiency: 92%(highest)
Reference: RBD-1010
Timing from microseconds to hours A stable or monostable operation Adjustable duty cycle TTL compatible output can sink or source up to 200mA
Reference: RBD-0769
Size: 5mm Color: BLUE Head Shape: Round Lens Appearance: Transparent
Reference: RBD-0655
Single row. 2.54mm pitch. 1 x 40 pins. Through-hole mount. 20mm Height. RoboticsBD