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This DC 12V 4×4 16 Key Matrix Membrane Switch Keypad Keyboard is a high-quality soft-touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions. RoboticsBD
This DC 12V 4×4 Key Matrix Membrane Switch Keypad is a high-quality product at a very low cost for your application needs.
This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications. RoboticsBD
The Keypad 4×4 features a total of 16 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 8-pin berg connector is required for interfacing it with your microcontroller circuits. RoboticsBD
| General Specification | |
| Voltage(V) | DC 35V |
| Operating Current (A) | 100mA |
| Contact Resistance | 500Ω |
| Insulation Resistance (MΩ) | 100 |
| Dielectric Strength | 250VRms |
| Operating Temperature Range (°C) | -40 to 85 |
| Storage condition (℃) | -40 to 80 |
| Length (mm) | 165 |
| Width (mm) | 70 |
| Height (mm) | 1 |
| Weight (gm) | 6 |
| Shipment Weight | 0.01 kg |
| Shipment Dimensions | 9 × 8 × 4 cm |
1 x 4x4 Keypad - 16 Key - Matrix Membrane Type
The latest price of 4x4 Keypad - 16 Key - Matrix Membrane Type in Bangladesh is BDT 74 You can buy the 4x4 Keypad - 16 Key - Matrix Membrane Type at best price from our RoboticsBD or visit RoboticsBD Office.
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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. |
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Product Images are shown for illustrative purposes only and may differ from the actual product. |
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0094
Arduino UNO in Bangladesh Micro-controller : ATmega328. Operating Voltage : 5V. Input Voltage (recommended) : 7-12V. Digital I/O Pins : 14 (of which 6 provide PWM output). Analog Input Pins : 6.
Reference: RBD-0653
Can be manually broken for the length needed. Connector: Pin Header 2.54mm Pitch Connector type: Pin Strips Male Number of pins: 40 Right angled male berg strip. (L Shaped)
Reference: RBD-0654
Single row. 2.54mm pitch. 1 x 40 pins. Through-hole mount. RoboticsBD
Reference: RBD-0661
For Standard LCD 16x2 with Male Header. Press here For Standard LCD 16x2 with Female Header. Press here For Standard LCD 16x2 with I2C adapter board soldered. Press here. For Standard LCD 16x2 with White Background. Press here. For Standard LCD 16x2 with Blue Background. Press here.
Reference: RBD-2240
Wearable e-textile technology. Designed with large sew tabs LED Green Color
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-1582
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
Reference: RBD-2057
Access multiple interfaces simultaneously Serial Communication Smaller Volume Wide Range of applications
Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
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-1840
The DS1302 trickle-charge timekeeping chip module with battery backup A real-time clock/calendar and 31 bytes of static RAM. Communicates with a microprocessor via a simple serial interface. Real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. Note: Batteries not included.
Reference: RBD-2093
This is a High-quality photosensitive sensor module/light module detects the photosensitive resistor for Arduino Resistance of the photoresistor is typically less than 80 Ohms (in full light) Dark resistance is typically greater than 20 Meg Ohms (in full darkness)
Reference: RBD-0346
The PN532 is a highly integrated transmission module for contactless communication at 13.56 MHz including microcontroller functionality based on an 80C51 core with 40 Kbytes of ROM and 1 Kbytes of RAM. The PN532 combines a modulation and demodulation concept completely integrated for different kinds of contactless communication methods and protocols at...
Reference: RBD-1138
Board Based On AI-Thinker A9 GPRS Module Supports Firmware Upgrade Via Serial Port Operating Voltage: 5v
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-1912
New L293D motor shield, the input voltage DC4.5-25V 600mA output current capability per channel 1.2A peak output current(non-repetitive) per channel Enable facility Overtemperature protection Logical “0” input voltage up to 1.5V(High noise immunity)
Reference: RBD-1842
Material: 12UM Stainless steel fiber Gram Weight: 0.2458g/m Strength: 2.8KGF. Length: 1m. Diameter(mm): 0.12. Resistance (Ω/m) : 27.
Reference: RBD-2241
Wearable e-textile technology. Designed with large sew tabs LED White Color
Reference: RBD-0914
Driver Chip: MAX7219 Input Voltage: 3.7 to 5.3 V Input Current: 320 mA Display Dimensions: 32x32x6 (LxWxH) mm PCB Dimensions: 128×32 (LxW) mm
Reference: RBD-1602
Microcontroller: ESP8266EX Operating Voltage: 3.3V Digital I/O Pins: 11 (all I/O pins have interrupt/PWM/I2C/one-wire capability, except for D0) Analog Input Pins: 1 Flash Memory: 4MB On-Board Switching Power Supply: Input Voltage Range: 9V to 12V Output: 5V at 1A Max
Reference: RBD-2095
Detection distance: 2-40cm IO Interface: 4-wire interfaces (- / + / S / EN) Output signal: TTL level Adjustment: adjust multi-turn resistance Effective angle: 35 °
Reference: RBD-0985
Stackable design, easy to plug into the ARDUINO development board. Coupled with the Arduino Bluetooth Bee Bluetooth module, and other Bluetooth devices can communicate Wirelessly. 3.3v and 5v dual power output. 3.3v and 5v IO compatible. USB2.0 protocol.
Reference: RBD-1815
I/O Isolation for MCUs (Micro Controller Units) Noise Suppression in Switching Circuits Driving Port Signal Voltage: 3.6-24V Output Port Voltage Port: 3.6-30V Output Can Be Switched From Pull-Up or Pull-Down With Jumpers.
Reference: RBD-2244
Wearable e-textile technology. Designed with large sew tabs Slide Switch
Reference: RBD-0981
Low power device. DTMF decoder chip. Band-split filter. Digital decoding functions. Modem interfaces. Mobile radios.
Reference: RBD-0684
CW/CCW/short break/stop motor control modes Built-in thermal shutdown circuit and a low voltage detecting circuit Standby control to save power CW/CCW/short brake/stop motor control modes Operating Voltage(VDC): 15 Peak Current (A): 3.2 Continuous Current (A): 1.2 No. of Channels: 1
Reference: RBD-1219
Supports development boards such as Arduino UNO and Mega2560 for plug-in use without wiring 480X320 resolution, clear display, support for touch function Support 16-bit RGB 65K color display, display rich colors 8-bit parallel bus, faster than serial SPI refresh On-board 5V/3.3V level shifting IC, compatible with 5V/3.3V operating voltage Easy to expand...
Reference: RBD-2225
Output SPDT Relay. Header connector for connecting power and trigger voltage. LED indicates relay status. Screw terminal connector for easy relay output connection. Note: Relay brand may vary from actual product as our stock rotates.
Reference: RBD-1402
The perfect solution for breaking out the pins from Lua V3 Nodemcu. Lead-out all the IO ports of the ESP-12E development board Lead out the pins of 5V and 3.3V power supply Convenient to connect with peripheral modules Onboard 5V / 1A DC-DC step-down converter circuit Onboard power indicator With DC power jack 6-24V.
Reference: RBD-1329
Current: 1A; Voltage : AC 220V / 380V Thread Dia(Approx) : 11mm/0.43" Overall Size(Approx) : 14 x 20mm/0.55" x 0.78"(D*L) Weight : 16g; Package Content : 2 x Keylock Switch
Reference: RBD-2216
Module chip using PCF8951 Module supports external voltage input of the 4-way acquisition (voltage input range of 0-5v) The module integrated photoresistor by AD collection precise value of the ambient light intensity Module integrated thermistor by the precise value of the ambient temperature of the AD acquisition Module integrated 1 channel 0-5V voltage...
Reference: RBD-0399
Power supply voltage: 2.7 V-3.3 V/5 V Data interface level: 2.7-5V. Resolution: 84 x 48 pixel Backlight power supply voltage: highest 3.3 V. Backlight: Blue. RoboticsBD
Reference: RBD-0564
Onboard precision microcurrent transformer. Onboard sampling resistor. The module can measure AC currents less than 5A, the corresponding analog output 5A/5mA. Rated input current: 5A Rated output current: 5mA Change: 1000: 1 The linear range: 0 ~ 10A (100 ohms) Linearity: 0.2%
Reference: RBD-1358
Product Name : Correction Capacitor Model No. : 104J100 Type : Radial Lead Withstand Voltage : 100V
Reference: RBD-1349
For Standard LCD 16x2. Press here.For Standard LCD 16x2 with Male Header. Press hereFor Standard LCD 16x2 with Female Header. Press hereFor Standard LCD 16x2 with I2C adapter board soldered. Press here.For Standard LCD 16x2 with White Background. Press here.For Standard LCD 16x2 with Blue Background. Press here. Model: LCD1602 Interface: I2C Interface...
Reference: RBD-0683
Operating voltage: DC3-5V Operating current: less than 20mA Sensor Type: Analog Detection Area: 40mmx16mm Operating temperature: 10℃-30℃ Humidity: 10% -90% non-condensing
Reference: RBD-0822
S49E hall sensor Features wide-range voltage comparator LM393 Signal output indicator Analog / Digital output
Reference: RBD-0656
Single row. 2.54mm pitch. 1 x 40 pins. Through-hole mount.
Reference: RBD-0413
SD card interface works with FAT16 or FAT32 formatted cards. 3.3v level shifter circuitry prevents damage to your SD card. Real-time clock (RTC) keeps the time going even when the Arduino is unplugged. The battery backup lasts for years. Included libraries and example code for both SD and RTC mean you can get going quickly Prototyping area for soldering...
Reference: RBD-0698
On-board level shift circuit Arduino UNO R3 and the compatible board can directly connect to this module; Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit); Working voltage: 4.5~5.5V (Onboard 3.3V LDO Regulator); Working current: 240mA(MAX).RoboticsBD
Reference: RBD-0156
Operating Voltage: 3V-5V High-resolution conversion of light intensity to frequency. Chip pins all has drawn for standard 100. Put the needle (2.54 mm). Mil-convenient for bitmap board. Programmable color and full-scale output frequency. Communicate directly with a microcontroller. Low-profile surface mount package.
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: 0245
Choose your desire Resistor value from below:
Reference: RBD-0094
Arduino UNO in Bangladesh Micro-controller : ATmega328. Operating Voltage : 5V. Input Voltage (recommended) : 7-12V. Digital I/O Pins : 14 (of which 6 provide PWM output). Analog Input Pins : 6.
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: RBD-0133
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
Reference: RBD-0755
Size: 5mm Color: Green Head Shape: Round Lens Appearance: Transparent
Reference: RBD-0020
Model: SG90 Weight: 9 gm Operating voltage: 3.0V~ 7.2V Servo Plug: JR Stall torque @4.8V : 1.2kg-cm Stall torque @6.6V : 1.6kg-cm Note: Product images/ Components brand may vary from actual product as our stock rotates.
Reference: RBD-0028
Based on the W5100Based on the Wiznet W5100 allows an Arduino board to connect to the internet. Stackable Design, can directly be supported by for Arduino official Ethernet Library. Supports up to four simultaneous socket connections Can be used to store files for serving over the network. Can be accessed using the Mini SD TF library. IEEE802.3af...
Reference: RBD-0108
Works with standard (dual 5/3.3V) and 3.3V-only (for example, Pro Arduino) boards. Complies with USB Specification Revision 2.0 (Full-Speed 12Mbps Peripheral, Full-/Low-Speed 12Mbps/1.5Mbps Host) Supports HID devices, such as keyboards, mice, joysticks, etc. Compatible with Mass storage devices, such as USB sticks, memory card readers, external hard...
Reference: RBD-0159
Provides a user-friendly interface that allows users to go through the menu, make selections etc. It consists of a 1602 white character blue backlight LCD. The keypad consists of 6 keys select, up, right, down, left and reset. To save the digital IO pins, the keypad interface only uses one ADC channel. The key value is read out through a 5 stage voltage...
Reference: RBD-0189
Brand: DFRobot
Xbee Shield for Arduino (without Xbee) INTRODUCTION: The XBee Expansion Board is a compliant solution designed to meet low-cost, low-power wireless sensor networks with special needs.The module is easy to use, low power consumption, and the provision of critical data between devices reliable transmission.
Reference: RBD-0270
AD/DA IO interface : screw terminal 1-WIRE interface : for connecting 1-WIRE devices like DS18B20 Sensor interface : for connecting various sensors 0.96inch OLED : SSD1306 driver, 128×64 resolution, SPI interface Buzzer CP2102 : USB TO UART converter PCF8591 : 8-bit AD/DA converter, I2C interface
Reference: RBD-0272
Brand: Waveshare
Voltage level: 1.8V-6V Dimension: 38mm x 31.6mm Conversion level range: 1.8 V-6 V Instructions for use: (3.3 V, 5 V to each other) 4 pairs of power supply interfaces, supports more situation Use tantalum capacitors for power filter, provides more stability VCCB 5V power supply (can be an external 5V power supply)
Reference: RBD-282
Specifications: - 3.3V and 5V dual power output- 3.3V and 5V IO compatible- USB2.0 protocol- BitBang mode ready- Easily connected to PC via mini USB cable- Support XBee-setting with software X-CTU
Reference: RBD-0306
Baud rate (USB): 115200 Baud rate (bluetooth, UART): 9600 Storage Flash capacity: 16M Mode to choose: 4 types Simultaneous controlling servo number: 32 channel Max action groups: 256 groups Communication agreement: UART Cross platform operation, can support WindowsXP, WindowsVisit, Windows7, Windows8, Windows10, Linux,FreeBsd, MAC OS, Android
