lcd module 16x2 soldering for sale
16×2 LCD is an Alphanumeric display that can show up to 32 characters on a single screen. You can display more characters by scrolling the texts one by one. The I2C Module is used to reduce the no. of pins needed for the display. It enables the display to work with only four pins.
Most projects require an LCD display to communicate with the user in a better way. Some projects required to display warnings, errors, Sensor values, State of the input and output device, Selecting different modes of operations, Time and date display, Alert message and many more. This will give the project a better view and its operation in a more visual way.
A 16×2 LCD means it can display 16 characters per line and there are 2 such lines. In this LCD each character is displayed in 5×7 pixel matrix. This LCD has two registers, namely, Command and Data.
The command register stores the command instructions given to the LCD. A command is an instruction given to LCD to do a predefined task like initializing it, clearing its screen, setting the cursor position, controlling display etc.
This is an IIC Serial 1602 LCD module. With this I2C interface LCD module, you will be able to realize data display via only 2 wires. If you already have I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project.
LCDs usually come without a microcontroller to control the display. To connect, you will need a strip of header pins, a potentiometer to adjust the contrast of the display, breadboard, and wires. Depending on the LCD, you may need a current limiting resistor to to limit the current to the LED backlight. You will need to solder the header pins of your choice to the display in order to plug it into your breadboard. If you have not soldered before, we recommend looking at our soldering tutorial.
While you can use any standard 16x2 alphanumeric LCD, the white on black display supplied with the kit looks übercool. The photographs in this guide are of a standard black on green display so yours may look different. The "16x2" refers to the display having two rows of sixteen characters each — other displays are available which are 8x1 or 20x4.
It is pretty straightforward to solder the header pins to the LCD module. Make sure to keep the soldering iron in contact with the joints for no more than about three seconds. There small risk of the damaging the existing components on the board with excess heat. You also need to be careful to keep the soldering iron away from the already soldered components on the board — you"re probably not yet ready to do surface mount soldering repair.
Before soldering, perform a "test fit" of parts. A test fit gives you a chance to double check if you"ve got the parts you need and ensures that they fit together. For this connection, break a row of 16x1 male headers and insert the header pins into the holes on the LCD module as shown in the image below. If you are using an RGB LED, you will need a row of 18x1 male headers.
Ensure that you don"t have one pin too many or too few in your header strip. Also make sure the black plastic strip of the header is positioned on the underside of the printed circuit board (PCB) so that you have plenty of pin length below the PCB to plug into your breadboard or a socket. The longest part of the pins should be below the PCB. The pin header provides connections that carry the data signals for controlling what the display... displays. They also carry power to the small microcontroller behind the black blob on the module and to the LED backlight if your display has one.
Because there"s not a lot of room it is easiest to feed the solder from behind pin while the soldering iron tip is between the pins, resting on the PCB pad with the side of iron against the side of pin you"re soldering. The reason we start with just one pin is because it makes it easier to obtain the correct alignment and fix any mistakes.
Once you"re happy with the alignment of the header you can solder another pin into place — we recommend soldering the pin at the opposite end of the header to the first pin you soldered. The reason for this is that once the two end pins are in place, the alignment won"t change.
Your display module should now look like the image below. One additional detail to note is that the pin header is usually at the "top" of the display — so keep that in mind if you plan to mount it anywhere. Remember to always test the display out before mounting to a project.
Yes, it is - almost. The other option is to buy an LCD on a shield, thereby absolving you from any soldering, and ensure it will arrive and everything will be together in the time available. One thing you can be pretty sure about is that it won"t take two weeks to learn how to solder.
An LCD shield is a pretty good idea and something you might have latched onto before since "use shields - not solder" is a major feature of the Arduino concept, but soldering isn"t that hard and, if you intend to continue in the Arduino arena, the skill will eventually be an asset.
I assume the display in your hand has a row of holes along the edge. You could get by with just soldering a pinrow in same . This has a plastic strip to hold the pins straight while you work. Once done, everything else can be done with jumper wires, possibly using a breadboard as well. If you take that path, you need male/male as well as male/female jumpers. Alternatively, you could simply cut some jumpers and solder the bare ends into the display. Whatever you do, you never need to solder into the Uno.