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Характеристики
Free Shipping! I2C/SPI LCD2004 20X4 Character LCD Yellow Display |
История изменения цены
*Текущая стоимость 2151.66 уже могла изменится. Что бы узнать актуальную цену и проверить наличие товара, нажмите "Добавить в корзину"
| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Aug-16-2025 | 2732.40 руб. | 2787.96 руб. | 2759.5 руб. |
| Jul-16-2025 | 2216.84 руб. | 2260.13 руб. | 2238 руб. |
| Jun-16-2025 | 2689.84 руб. | 2743.47 руб. | 2716 руб. |
| May-16-2025 | 2667.35 руб. | 2720.12 руб. | 2693.5 руб. |
| Apr-16-2025 | 2129.77 руб. | 2172.93 руб. | 2150.5 руб. |
| Mar-16-2025 | 2624.75 руб. | 2676.4 руб. | 2650 руб. |
| Feb-16-2025 | 2603.92 руб. | 2655.44 руб. | 2629 руб. |
| Jan-16-2025 | 2581.75 руб. | 2633.48 руб. | 2607 руб. |
Описание товара
Brand NamedongutecModel NumberLCD2004OriginMainland ChinaCompatible Brand/ModelNoneMeasurement unitpiece/piecesEach pack1ColoryellowInterfaceI2C/SPI2 151,66 ₽2 151,66 ₽loader
Description
LCD backpacks reduce the number of pins needed to connect to an LCD. LCDs are a fun and easy way to have your microcontroller project talk back to you. Character LCDs are common, and easy to get, available in tons of colors and sizes. We've written tutorials on using character LCDs with an forarduino (or similar microcontroller) but find that the number of pins necessary to control the LCD can be restrictive, especially with ambitious projects. We wanted to make a 'backpack' (add-on circuit) that would reduce the number of pins without a lot of expense.
By using simple i2c and SPI input/output expanders we have reduced the number of pins (only 2 pins are needed for i2c) while still making it easy to interface with the LCD. forarduino users, we provide a easy-to-use library that is backwards compatible with projects using the '6 pin' wiring. The breakout comes with a 2-pin and 3-pin terminal block as shown (you can snap it together to make a 5-pin terminal and then solder it to the backpack for easy wiring)
For advanced users, this project can be used for general purpose I/O expansion, the MCP23008 has 8 i/o pins (7 are connected) with optional pull-ups, the SPI 74HC595 has 7 connected outputs.
This board/chip uses I2C 7-bit address between 0x20-0x27, selectable with jumpers
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