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TTP224 4-way Capacitive Touch Switch Sensor Module
₹69.00 (Incl. GST)
AT-09 Bluetooth 4.0 UART Transceiver Module CC2541 Compatible with HM-10
₹280.00 (Incl. GST)
2 x 2 Matrix 4 Push Button Keyboard Module
₹45.00 (Incl. GST)
- 2×2 Matrix Keyboard Module with 4 buttons
- Small in size and hence Save space
- More convenient to use
- Expanded development application modules for single chip
- With 4 keys and 4 pin
NOTE: Color might be different from given image.
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The 2×2 matrix keypad module usually is used as input in a project. It has 4 keys in total, which means the same input values. The module is a non-encoded matrix keypad consisting of 14 keys in parallel. The keys of each row and column are connected through the pins outside – pin R1-R2 as labeled beside control the rows, when L1-L2, the columns.
It consists of microswitch buttons. The module has four holes 3mm (M3) holes for mounting. The pin designations on each PCB are shown on each PCB. Two pins are thus used as an ‘x’ coordinate and the other 2 as a ‘y’ coordinate.
The module is already equipped with a soldered pin-headers (rotated 90 degrees)
How it Works:
First test whether any key is pressed down. Connect power to rows, so they are High level. Then set all the rows R1-R2 as Low and then detect the status of the columns. Any column of Low indicates there is key pressing and that the key is among the 4 keys of the column. If all columns are High, it means no key is pressed down. Next, locate the key. Since the column in which the pressed key lies is identified, knowing the line would finalize the testing. Thus, set the rows as Low in turns until any is unveiled accordingly – other rows will still be High.
Now the row can be identified. Detect the status of each column in turns. The column tested Low is the one intersecting with the line – their cross point is just the key pressed.
Package Includes:
1 * 2 x 2 Matrix 4 Push Button Keyboard Module
54 reviews for 2 x 2 Matrix 4 Push Button Keyboard Module
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Welcome to mechBlock.in / Sun Enterprises We are a leading engineering and technology company based in India that specializes in cutting-edge mechanical and robotic solutions. Founded in 2020, our mission is to design and develop innovative systems that can help our clients improve efficiency, reduce costs, and enhance performance.
Our team of highly skilled engineers and technicians have extensive experience in the field of mechanical engineering, robotics, and automation. We have the knowledge and expertise to design, develop, and implement complex systems that can meet the unique needs of our clients.
We work with a wide range of industries including manufacturing, transportation, construction, and logistics to provide customized solutions that can improve productivity, safety, and performance. Our solutions range from advanced robotic systems to precision-engineered mechanical components, and everything in between.
We believe in delivering quality work and providing excellent customer service. We work closely with our clients to understand their requirements and deliver solutions that exceed their expectations. Our portfolio includes a wide range of successful projects, from automated assembly lines to precision robotic systems.
Our goal is to be the go-to partner for companies that want to leverage the latest mechanical and robotic technologies in India. We’re always looking for new challenges and opportunities to collaborate with companies that share our vision of a smarter and more efficient future.
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Sudam Sharma (verified owner) –
Fast shipping and perfectly packaged. The laser machine is of high quality, operated according to the instructions, even beginners can master it quickly, everything is as described, it is great.
Tulsi Goel (verified owner) –
I am a beginner and this laser engraver is equipped with everything I need. I USED GBRL SOFTWARE WITH A MAC SYSTEM AND THE CONNECTION WAS EASY. When cutting wooden blocks, I find it as easy as carving planks. And the effect is not bad, it is a good laser machine.
Shalina Banerjee (verified owner) –
This machine is the best I’ve ever seen, great quality, beautiful packaging, top notch engraving and cutting, thanks MechBlock!
Ananta Singh (verified owner) –
Very fast shipping, arrived quicker than I thought, everything in perfect condition, no damage and complete with accessories. I have tested the machine and everything works fine. This machine is really nice, I love it. I will recommend it to my friends!
Narasamma Iyengar (verified owner) –
Easy assembly, directions were very easy to follow. Download light burn and easy to setup. Tested it out and did my Sasquatch for my cutting boards.
Gurpreet Sharma (verified owner) –
Perfect machine, well packaged, great engraving and cutting, worth buying!
Namita Thappar (verified owner) –
The machine came a few days earlier than stated. Very well packaged and the installation also went smoothly. After I executed the commands and calibrated the device, everything went as it should and the machine correctly found the position of the laser head. I hope that it will remain stable in the future and that the values will remain as it is calibrated. Everything works correctly I am really impressed with the performance of the machine and the results of the laser work.
Ishana Anand (verified owner) –
I am very satisfied with the engraving machine, I am a beginner and would like to familiarize myself with this equipment. It definitely fits the purpose. Looking forward to the effect!
Kanchan Arora (verified owner) –
Ramanath Prasad (verified owner) –
Equipped with detailed assembly instructions, making assembly very easy to complete in 30 minutes. This laser machine is also suitable for inexperienced users. I am very satisfied!
Enkateshwarlu Pandey (verified owner) –
Very nice machine. With Lightburn very easy to work with it.
Jayanti Singh (verified owner) –
I did find that there was some smell while using it and found it would be better to use this engraver in a ventilated area. I think it should be necessary to buy another air assist to direct the airflow to the outside, the effect will be better!
Brijesh Jain (verified owner) –
I did find that there was some smell while using it and found it would be better to use this engraver in a ventilated area. I think it should be necessary to buy another air assist to direct the airflow to the outside, the effect will be better!
Sukhwinder Mittal (verified owner) –
This machine is the best I’ve ever seen, great quality, beautiful packaging, top notch engraving and cutting, thanks MechBlock!
Rajni singh (verified owner) –
Very fast shipping, arrived quicker than I thought, everything in perfect condition, no damage and complete with accessories. I have tested the machine and everything works fine. This machine is really nice, I love it. I will recommend it to my friends!
Rames (verified owner) –
Fast shipping and perfectly packaged. The laser machine is of high quality, operated according to the instructions, even beginners can master it quickly, everything is as described, it is great.
Gopi Gupta (verified owner) –
I am a beginner and this laser engraver is equipped with everything I need. I USED GBRL SOFTWARE WITH A MAC SYSTEM AND THE CONNECTION WAS EASY. When cutting wooden blocks, I find it as easy as carving planks. And the effect is not bad, it is a good laser machine.
Pappu Mehta (verified owner) –
Easy assembly, directions were very easy to follow. Download light burn and easy to setup. Tested it out and did my Sasquatch for my cutting boards.
Sumit Bhatt (verified owner) –
I am very satisfied with the engraving machine, I am a beginner and would like to familiarize myself with this equipment. It definitely fits the purpose. Looking forward to the effect!
Prakash Jyoti (verified owner) –
Very nice machine. With Lightburn very easy to work with it.
Mukesh Rana (verified owner) –
Perfect machine, well packaged, great engraving and cutting, worth buying!
Chandani Mishra (verified owner) –
The machine came a few days earlier than stated. Very well packaged and the installation also went smoothly. After I executed the commands and calibrated the device, everything went as it should and the machine correctly found the position of the laser head. I hope that it will remain stable in the future and that the values will remain as it is calibrated. Everything works correctly I am really impressed with the performance of the machine and the results of the laser work.
Madan Joshi (verified owner) –
Equipped with detailed assembly instructions, making assembly very easy to complete in 30 minutes. This laser machine is also suitable for inexperienced users. I am very satisfied!
Kamalesh Mehta (verified owner) –
I am a beginner and this laser engraver is equipped with everything I need. I USED GBRL SOFTWARE WITH A MAC SYSTEM AND THE CONNECTION WAS EASY. When cutting wooden blocks, I find it as easy as carving planks. And the effect is not bad, it is a good laser machine.
Raman amma (verified owner) –
Very nice machine. With Lightburn very easy to work with it.
Rashid (verified owner) –
I did find that there was some smell while using it and found it would be better to use this engraver in a ventilated area. I think it should be necessary to buy another air assist to direct the airflow to the outside, the effect will be better!
Bhasvan Gupta (verified owner) –
Fast shipping and perfectly packaged. The laser machine is of high quality, operated according to the instructions, even beginners can master it quickly, everything is as described, it is great.
Venkata amma (verified owner) –
I am a beginner and this laser engraver is equipped with everything I need. I USED GBRL SOFTWARE WITH A MAC SYSTEM AND THE CONNECTION WAS EASY. When cutting wooden blocks, I find it as easy as carving planks. And the effect is not bad, it is a good laser machine.
Nirmal tayal (verified owner) –
The machine came a few days earlier than stated. Very well packaged and the installation also went smoothly. After I executed the commands and calibrated the device, everything went as it should and the machine correctly found the position of the laser head. I hope that it will remain stable in the future and that the values will remain as it is calibrated. Everything works correctly I am really impressed with the performance of the machine and the results of the laser work.
Rupesh Jindal (verified owner) –
This machine is the best I’ve ever seen, great quality, beautiful packaging, top notch engraving and cutting, thanks MechBlock!
Bala Subramaniam (verified owner) –
I am a beginner and this laser engraver is equipped with everything I need. I USED GBRL SOFTWARE WITH A MAC SYSTEM AND THE CONNECTION WAS EASY. When cutting wooden blocks, I find it as easy as carving planks. And the effect is not bad, it is a good laser machine.
Gaushik Pandey (verified owner) –
The machine came a few days earlier than stated. Very well packaged and the installation also went smoothly. After I executed the commands and calibrated the device, everything went as it should and the machine correctly found the position of the laser head. I hope that it will remain stable in the future and that the values will remain as it is calibrated. Everything works correctly I am really impressed with the performance of the machine and the results of the laser work.
Roghosh Mallhotra (verified owner) –
Dattatreya Sharma (verified owner) –
Very fast shipping, arrived quicker than I thought, everything in perfect condition, no damage and complete with accessories. I have tested the machine and everything works fine. This machine is really nice, I love it. I will recommend it to my friends!
Siva Kashyap (verified owner) –
This machine is the best I’ve ever seen, great quality, beautiful packaging, top notch engraving and cutting, thanks MechBlock!
Omaprakash Bansal (verified owner) –
Easy assembly, directions were very easy to follow. Download light burn and easy to setup. Tested it out and did my Sasquatch for my cutting boards.
Shrimati Suhani (verified owner) –
Premvati Jha (verified owner) –
Perfect machine, well packaged, great engraving and cutting, worth buying!
Parbati Hansraj (verified owner) –
I am very satisfied with the engraving machine, I am a beginner and would like to familiarize myself with this equipment. It definitely fits the purpose. Looking forward to the effect!
Sahil Kapoor (verified owner) –
Perfect machine, well packaged, great engraving and cutting, worth buying!
Anusheela Chauhan (verified owner) –
I did find that there was some smell while using it and found it would be better to use this engraver in a ventilated area. I think it should be necessary to buy another air assist to direct the airflow to the outside, the effect will be better!
Anand Kumar (verified owner) –
Equipped with detailed assembly instructions, making assembly very easy to complete in 30 minutes. This laser machine is also suitable for inexperienced users. I am very satisfied!
Gudiya Mittal (verified owner) –
Very fast shipping, arrived quicker than I thought, everything in perfect condition, no damage and complete with accessories. I have tested the machine and everything works fine. This machine is really nice, I love it. I will recommend it to my friends!
Bhim singh (verified owner) –
I am very satisfied with the engraving machine, I am a beginner and would like to familiarize myself with this equipment. It definitely fits the purpose. Looking forward to the effect!
Lalika Gupta (verified owner) –
Easy assembly, directions were very easy to follow. Download light burn and easy to setup. Tested it out and did my Sasquatch for my cutting boards.
Sudarshan Jain (verified owner) –
Fast shipping and perfectly packaged. The laser machine is of high quality, operated according to the instructions, even beginners can master it quickly, everything is as described, it is great.
Malla amma (verified owner) –
Chirag Chaturvedi (verified owner) –
Lopa Mehta (verified owner) –
Equipped with detailed assembly instructions, making assembly very easy to complete in 30 minutes. This laser machine is also suitable for inexperienced users. I am very satisfied!
Vipin Kishore (verified owner) –
Very nice machine. With Lightburn very easy to work with it.