12x2 STN Character LCD COB Modules | BC1202B
Model No. BC1202B
- COB with metal frame
- 5x7 dots with cursor
- Built-in controller ST7066 or equivalent
- +5V single power supply
- 1/16 duty cycle
- B/L pins:15 ,or A/K or 1/2
- No negative voltage option
數量
Description
BC1202B is 12x2 characters LCD Module (LCM) made using Chip on Board (COB) method and comes with metal frame.
Module dimension of BC1202B is (55.7x32.0) mm and viewing area is (46x14.5) mm.
It has built-in controller ST7066 (or equivalent) that provides different language options, English, Japanese, Chinese, Western & Eastern European, Russian etc.
Module dimension of BC1202B is (55.7x32.0) mm and viewing area is (46x14.5) mm.
It has built-in controller ST7066 (or equivalent) that provides different language options, English, Japanese, Chinese, Western & Eastern European, Russian etc.
Specification
Features
| Item | Dimension | Unit |
| Module dimension | 55.7 × 32.0 | mm |
| View Area(AA) | 46.0 × 14.5 | mm |
| Dot size | 0.45 × 0.60 | mm |
| Character Size | 2.65 x 5.5 | mm |
Electrical Characteristics (Ta=25±2°C)
| Item | Symbol | Condition | Typical Value | Unit |
| Input Voltage | Vdd | Vdd = +5V | 5.0 | V |
| Supply Current | Idd | Vdd = +5V | 1.2 | mA |
| LCD Driving Voltage | Vdd-Vo | 25°C | 4.2 | V |
LED Forward Voltage (yellow-green) | Vf | 25°C | 3.0 | V |
| LED Forward Current | If | 25°C | 40 | mA |
Interface
| Pin | Symbol | Function |
|---|---|---|
| 1 | Vss | GND |
| 2 | Vdd | +5V (+3V option) |
| 3 | Vo | Contrast adjustment |
| 4 | RS | H/L register select signal |
| 5 | R/W | H/L read/write signal |
| 6 | E | H --> L enable signal |
| 7~14 | DB0~7 | H/L data bus line |
| 15 | A | Power supply for B/L (+) |