
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
The LM358 Duty and Frequency Adjustable Square Wave Signal Generator is a compact and versatile module designed for pulse signal generation, motor control, microcontroller triggering, and circuit testing. Featuring an adjustable duty cycle and frequency, this module provides users with a fine-tuned square wave output for various applications.
The LM358 Duty and Frequency Adjustable Square Wave Signal Generator is a compact and versatile module designed for pulse signal generation, motor control, microcontroller triggering, and circuit testing. Featuring an adjustable duty cycle and frequency, this module provides users with a fine-tuned square wave output for various applications.
Equipped with an LED output indicator, the module offers real-time visual feedback on signal status. The frequency range is divided into four levels for precise adjustment, making it ideal for both low and high-frequency signal applications.
This module is an excellent tool for circuit development, waveform testing, and frequency tuning, making it a must-have for engineers, hobbyists, and embedded system developers.
✔ Adjustable Duty Cycle & Frequency – Fine-tune pulse width and signal frequency as needed
✔ Wide Frequency Range – Covers 0.07Hz to 200kHz, suitable for multiple applications
✔ LED Output Indicator – Visual feedback of the output signal status
✔ Stable & Reliable Output – LM358-based design ensures precise signal generation
✔ Multiple Frequency Levels – Supports four selectable frequency bands
✔ High Output Current Drive – Can drive small relays, motors, or external circuits directly
✔ Compact & Easy to Use – Simple screw terminal connections for quick integration
Specification | Details |
---|---|
Main Chip | LM358 |
Input Voltage | 5V-15V DC |
Input Current | ≥ 100mA |
Output Level | 4.2V V-PP ~ 11.4V V-PP |
Output Current | Up to 500mA (via 9012 transistor driver) |
Frequency Range | 0.07Hz - 200kHz |
Duty Cycle Adjustment | 0% - 100% |
Output Waveform | Square Wave |
Output Indicator | LED blinks according to frequency |
Board Size | Compact and lightweight for easy integration |
The latest price of LM358 Duty And Frequency Adjustable Square Wave Signal Generator in Bangladesh is BDT 350 You can buy the LM358 Duty And Frequency Adjustable 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-2218
Module package (with FLASH memory and peripheral circuits) have DIP16, DIP28, chip packaging has DIP18, SSOP20, and LQFP32 form. Built 13Bit/DA converter, and 12Bit/PWM output. PWM output can directly drive 0.5W/8Ω speakers, push-pull current abundant support DAC / PWM output of two ways. Support for loading WAV audio formats. USB download mode, support...
Reference: RBD-1578
Support serial AT command Support re-programmable, OTA firmware update Seamless transparent transmission between serial and WiFi Built-in HTTP Web Server, support configure parameters by web page
Reference: RBD-2718
Dual-Channel Stereo Output Run-on 7V to 15V power Supply 32 Steps DC volume control has a +32dB to -75dB range. 40 pin QFN 6 x 6 mm package. Much higher efficiency in terms of cost and performance than competitors’ ICs
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-2761
ICL8038 12V to 15V, Signal Generator, Medium/Low Signal, Frequency 10Hz-450KHz, Triangular/Rectangular/Sine Wave Generator, Module Working voltage: 12V ~ 15V Output: Triangular wave, Square wave and sine wave. Frequency range: 10HZ ~ 450kHz Low distortion sine wave: 1% Duty cycle range: 2% to 98% Low temperature drift: 50ppm / ℃ Triangular wave output...
Reference: RBD-3186
The ASR PRO Voice Recognition Module is a state-of-the-art offline speech recognition development board designed for seamless voice control applications. This module provides high accuracy, fast response, and flexible customizability with support for up to 300 user-defined voice commands. Perfect for standalone or integrated systems, the ASR PRO...
Reference: RBD-2327
Brand: DFRobot
Self-powered wireless switch using 433MHz RF signal for battery-free operation Converts press kinetic energy into electrical energy via electromagnetic induction Maintenance-free and eco-friendly solution for various applications Supports up to 15 adjustable states and a lifetime of 100,000 presses Compatible with receivers using EV1527 encoding format...
Reference: RBD-2102
RGB trichromatic limiting resistor to prevent burnout PWM adjusted color mixing
Reference: RBD-0408
Low Level Trigger Relay Module. RoboticsBD Two separate LEDs for On/Off indication of the Relay. Triggering input voltage 3.3V – 5V Two separate LEDs for On/Off indication of the Relay Triggering input voltage 3.3V – 5V 4) Back EMF protection Back EMF protection 2 LEDs to indicate when relays are ON. Works with logic level signals from 3.3V or 5V devices...
Reference: RBD-3317
The MLX90333 Handle 3D Joystick Absolute Position Sensor Module is designed for precise and reliable 3D position sensing in various applications. Operating within a voltage range of 4.5V to 5.5V, this module uses advanced 3D magnetometer technology to accurately detect joystick movements or linear positions. With multiple output modes, including analog,...
Reference: RBD-2489
Wiznet Compact W5500 Network Module - 10/100 Base T WIZ850io is a compact size network module that includes a W5500 (TCP/IP hardwired chip and PHY embedded), a transformer and RJ45. It can be used as a component and no effort is required to interface W5500 and Transformer. The WIZ850io is an ideal option for users who want to develop their Internet...
Reference: RBD-3174
The ESP8266 ESP-01S is a compact, versatile Wi-Fi transceiver module designed to add wireless connectivity to microcontroller projects. Based on the ESP8266 chipset, it provides a cost-effective and reliable solution for IoT (Internet of Things) applications. The module features an integrated TCP/IP protocol stack, making it a complete Wi-Fi network...
Reference: RBD-1722
Antenna Size : approx. 26 x 26 x 9 (LxWxH) mm. Module Size : approx. 26 x 36 x 4 (LxWxH) mm. Net weight : approx. 16 gm. Gross weight : approx. 17 gm. Mounting : approx. 3 mm. The default baud rate : 9600.
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-0560
On-board MAX485 chip, A low power consumption for the RS-485 communication, slew-rate limited transceiver. A low power consumption for the RS-485 communication Onboard then 5.08 (mm) pitch 2P terminal to facilitate RS-485 communication wiring. Slew-rate limited transceiver All pins of the chip have been lead to can be controlled through the...
Reference: RBD-0040
Bluetooth 2.0 Module Based on CSR BC04 Chip – Ideal for reliable wireless communication. Slave Mode Only – Perfect for receiving data from smartphones or other master devices. Wide Operating Voltage (3.3V to 6V) with onboard regulator for easy integration. Built-in 2.4GHz PCB Antenna – Supports wireless range up to 10 meters. Simple UART Interface (VCC,...
Reference: RBD-2940
The MOSFET F5305S 4-Channel Pulse Trigger Switch Controller is a versatile and robust module designed for controlling high-power devices through PWM input. This controller is perfect for managing the speed of motors, adjusting the brightness of light bulbs, and other applications requiring precise control. Based on the reliable F5305S MOSFET model, this...
Reference: RBD-2359
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...
Reference: RBD-0383
Wide Supply Range: 2.0v To 5.5v Low Current Consumption Continuous Mode: Only 150µa Single-shot Auto Shut-down Programmable Data Rate: 8SPS to 860SPS It has Internal low-drift voltage reference
Reference: RBD-0393
Dimensions: 40 x 27 x 15 (LxWxH) mm. RoboticsBD Weight: 10gm (without Hat). 2.54mm pin interface leads. Operating Voltage: 5V. Long service life and stable performance. Standard interface and electronic building blocks. Widely use in Arduino DIY projects. RoboticsBD
Reference: RBD-0397
Support CAN V2.0B technical standard, communication rate 1Mb / S. Module 5V DC power supply, SPI interface protocol control 0 to 8 bytes long data field. 8MHZ crystal oscillator 120Ω terminal resistance Use High-speed CAN transceiver TJA1050 Impedance matching, guaranteed drive capability, long-distance data transmission, prevent signal radiation The...
Reference: RBD-1916
IC Chip: MAX3232 Operating Voltage: 3.3-5.5V It can be used to program STC MCU, NXP MCU, Renesas MCU, STM32 MCU, N+-2EC MCU Pre-assembled compact size board Suitable for use with most microcontrollers Operates up to 250 kbit/s
Reference: RBD-0832
Power supply: 4.5V – 5.5V, 3.3V voltage regulator circuit board Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm Control Interface: GND, VCC, MISO, MOSI, SCK, CS Size: 45 x 28mm Net weight: 6g
Reference: RBD-0737
Power supply:5VDC/160mA Switching Voltage (VAC):240@2A Isolation: Phototriac
Reference: RBD-2292
SN65HVD230 CAN Board with onboard CAN transceiver for network connectivity Compatible with PCA82C250, offering seamless integration with CAN networks Powered by 3.3V with built-in ESD protection for enhanced durability Ideal for connecting microcontrollers to CAN bus systems Compact, lightweight design perfect for development and evaluation projects
Reference: RBD-0658
Standard interface layout, compatible with a variety of Arduinos such as the Pro Mini Original FTDI FT232 chip, stable performance USB power has current protection, using 500MA self-restore fuse RXD/TXD transceiver communication indicator With power, sending, receiving indicator, working status LED indicators Mini USB Port Connection Support 3.3V, 5V...
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-1399
Operating Voltage: 12V DC Two separate LEDs for On/Off indication of the Relay Triggering input voltage 3.3V – 5V 4) Back EMF protection Equipped with high-current relay 10A@250VAC / 10A@30VDC It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick...
Reference: RBD-2725
Onboard LM386 Chip. 200 multiplier benefits circuit design. On-board speaker wiring Block. On-board 10K variable resistor, you can adjust the volume of the enlarged. Onboard power indicator.
Reference: RBD-3205
The TT Motor Bi-Metal Gearbox with a 1:90 Gear Ratio is a durable and cost-effective solution for robotics and motion-driven projects. Featuring a double-sided axle and steel-reinforced gears, this motor offers higher torque at slower rotational speeds, making it ideal for applications where strength and durability are essential. The bi-metal construction...
Reference: RBD-3333
XH-M161 Step-Down Module DC 7-40V to DC 12V 1A Buck Converter Voltage Regulator – LM2596 Replacement
Reference: RBD-0944
Material: ABS + metal Dimensions: 16 x13 x 3 (L x W x H) mm Weight: 2gm Mutual transform between 5V TTL and 3.3V TTL Four channels of logic and high voltage low voltage logic can two-way transform Portable and lightness, with 2 rows 6 pin contact pins
Reference: RBD-2364
Pyroelectric PIR motion sensor for human body detection applications. Features a compact design with a reaction angle of 120 degrees. Detection range up to 5 meters, ideal for security and automation projects. Compatible with Arduino and other microcontrollers for seamless integration. Made with durable HDPE material and includes a black optical lens....
Reference: RBD-3276
The SR602 Infrared Motion Detection Sensor Module is a compact, energy-efficient, and highly sensitive passive infrared (PIR) sensor designed for motion detection applications. It features low power consumption, fast response time, and a small form factor, making it an ideal choice for motion-activated lighting, security systems, alarms, and automated...
Reference: RBD-1911
LM358 chip onboard. 100 gain of the circuit design. 10K onboard adjustable resistance, you can adjust the magnification. Onboard power indicator. The chip has led major pin can be directly input and output signals.
Reference: RBD-2769
Model MP3-TF-16P / FN-M16P To Connect with Arduino easily use the adapter board: Mini MP3 Easy Connector Board for Mini MP3 Module
Reference: RBD-2745
The LSM9DS1 is a versatile, motion-sensing system-in-a-chip. It houses a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer – nine degrees of freedom (9DOF) in a single IC! The LSM9DS1 is equipped with a digital interface, but even that is flexible: it supports both I2C and SPI, so you’ll be hard-pressed to find a microcontroller it doesn’t...