

This is 4×3 12-key Keyboard / Keypad Telephone Style. It is 12 Button Keypad switch, ideal for code or data entry. Each key is rated for up to 1,000,000 life-stroke and also features a durable high-quality material contact surface for best environmental resistances.
This 3×4 Keypad Matrix lets you quickly add controls to your electronics projects. It offers 0-9 numerals and standard star(*) and hash(#) symbols. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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General Specification | |
Material | Plastic |
Color | Black |
Key Type | 3×4 |
Mounting Hole Diameter | 2 mm |
Mounting Hole Center Distance | 60mm x 60mm |
Pad Size (mm) LxWxH | 64x50x10 |
Weight (gm) | 18 |
Shipment Weight | 0.02 kg |
Shipment Dimensions | 8 × 6 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x 4×3 12-key Keyboard / Keypad Telephone Style
The latest price of 4×3 Matrix 12 Keyboard Keypad in Bangladesh is BDT 330 You can buy the 4×3 Matrix 12 Keyboard Keypad 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-0402
Ultra-thin design & adhesive backing provides easy integration to any project Excellent price-performance ratio Easy communication with any microcontroller 5 pins 2.54mm pitch connector, 4x 4type 16 keys. Sticker can peel off for adhesive mounting. RoboticsBD Operating Voltage (V): 12 DC
Reference: RBD-0986
Ultra-thin design & adhesive backing provides easy integration to any project. Excellent price-performance ratio. Easy communication with any microcontroller 5 pins 2.54mm pitch connector, 4x 4type 16 keys. Sticker can peel off for adhesive mounting.
Reference: RBD-1333
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. Dimensions: 56 x 80 x 17 mm.(LxWxH)
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-1138
Board Based On AI-Thinker A9 GPRS Module Supports Firmware Upgrade Via Serial Port Operating Voltage: 5v
Reference: RBD-2077
Operating Voltage:2.0v ~ 2.5v Current:10mA Diameter:3mm Wavelength:571nm + 644nm Beam Angle:150
Reference: RBD-2213
Operating voltage (v):DC 8 – 12V Chipset:TPA3118 - 28 pin Chinese Variant Power output:30W Material:FR4 This is a Chinese variant of the TPA3118 in a 28-pin package.
Reference: RBD-2227
High sensitivity 24GHz millimeter wave human presence detection radar module Detects and accumulates small movements like human breathing Higher accuracy in presence detection within a certain range Not easy to miss detections Detection distance: > 4m static human presence, > 16m motion Range: Hanging height 3m, static body detection coverage radius...
Reference: RBD-1381
Forward voltage 1.55V Reverse current 100mA Capacitance 25 pF
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-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-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-2097
5V Dc Power Supply Power indicator light The comparator output is light High Sensitivity Sound Microphone Sensor Detection Module Electric condenser microphone
Reference: RBD-2088
Operating Voltage: 5v DC. This module is Small and Simple to use. Digital switch output (0 & 1) High sensitivity Completes the circuit when the module is tilted LED lights up when tilt switch is activated
Reference: RBD-2100
Comparator chip LM393 makes module readings stable. Operating voltage 3.3V-5V. Fast Response Time Sensitivity adjustable Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm. Detection range: up to 100 cm. Adjustable detection range. Detection angle about 60 degrees, it is sensitive to the flame spectrum.
Reference: RBD-0924
Driver Chip: MAX7219 Input Voltage: 3.7 to 5.3 V Input Current: 30 mA Display Dimensions: 42x24x12 (LxWxH) mm
Reference: RBD-2099
Main chip: LM393 Working voltage: for DC 5V Single-channel signal output Low-level output signal used for human body touch sensor alarm Adjustable sensitivity Pin Connector to board: 4 Pins
Reference: RBD-2230
Main chip: NE555 Input Voltage: 5V-15V DC. Generate an adjustable pulse for MCU. Generate an adjustable pulse, to control circuitry associated.
Reference: RBD-0409
No. of Channel: 4 Trigger Voltage: 5VDC Triode drive, increasing relay coil High impedance controller pin Pull-down circuit for the avoidance of malfunction Power supply indicator and Control indicator lamp Power supply and relay instructions, lit, the disconnect is off; The input signal, signal, common Terminal and start conducting; RoboticsBD Note:...
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-2042
Model: LilyPad Color: Purple Material: CCL Dimensions: 30 x 30 x 6 (LxWxH) mm. Weight: 3 gm.
Reference: RBD-2102
RGB trichromatic limiting resistor to prevent burnout PWM adjusted color mixing
Reference: RBD-2207
2 sine wave and 2 square wave output. AD9850: 0-40MHz. After the 20-30MHz frequency harmonics increases, the waveform will be less and less clean. Low-pass filter with 70MHz, so the waveform better than SN. Parallel and serial data input can be selected via a jumper.
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-2087
Voltage 5V Photo interruption module triggers a signal when light is blocked between the opening of the sensor.
Reference: RBD-2085
Operating Voltage : 1.5 ~ 15V DC Working Current: Less than 25mA Tone Generation Range : 1.5 ~ 2.5kHz Dimensions (LxWxH): 26 x 15 x 11 mm
Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-1575
Part Number: G3MB-202P Power supply:5VDC/160mA Trigger Voltage (VDC):5 Switching Voltage (VAC):240@2A Isolation: Phototriac
Reference: RBD-1834
PT100 to 0-5V Converter Voltage Signal Conditioner PCB-mounted
Reference: RBD-0337
Brand: Waveshare
Detection depth: 48mm Power: 2.0V ~ 5.0V Dimension: 19.0mm * 63.0mm Mounting holes size: 2.0mm
Reference: RBD-0377
Voltage Max: 16V Maximum current rating: 30 A Practical Continuous Current: 14 A Current sensing available to Arduino analog pin MOSFET on-resistance: 19 mΩ (per leg) Maximum PWM frequency: 20 kHz Thermal Shutdown Undervoltage and Overvoltage shutdown. RoboticsBD
Reference: RBD-0553
Supply voltage: DC 3.6 ~ 6.0V / 3.3V Supplying Supply Current: Current: <120mA Peak current: <140mA Fingerprint image time: <1.0 seconds
Reference: RBD-2249
Made From High-Quality Materials. Electronic High-Frequency Oscillations (2.4MHz). Material: Ceramic, Wire Diameter: Atomizer: 2cm/0.79in; Sealing ring: 2.5cm/0.98in
Reference: RBD-0915
Maximum effective distance up to 150mm Less than 100ms decoding time Support external antenna Uart interface Support EM4100 compatible read-only or read/write tags Small outline design
Reference: RBD-0409
No. of Channel: 4 Trigger Voltage: 5VDC Triode drive, increasing relay coil High impedance controller pin Pull-down circuit for the avoidance of malfunction Power supply indicator and Control indicator lamp Power supply and relay instructions, lit, the disconnect is off; The input signal, signal, common Terminal and start conducting; RoboticsBD Note:...
Reference: RBD-0120
400 tie points 2 Power lanes, Total 100 tie points in power lanes 1 Double strip, Total 300 tie points Perfect for Arduino shield prototyping and testing Plastic housing, metal contact clips
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-0761
Breadboard friendly Mounting Style: Through Hole Mounting Direction: Vertical
Reference: RBD-0651
Made of hard leather. Excellent material, fine workmanship. It is an environmental 9V battery buckle. Wire Length: 5cm. Color: Black. Battery not included. The device contains a battery that you may need to replace.
Reference: RBD-1811
AS5600 Magnetic Induction Angle Measurement Sensor