ERC1602-4 I2C 16x2 LCD case for fischertechnik
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Conventional 16x2 character LCD displays with hd44870 controllers are huge. They get even bigger with a PCF8574-based…
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- Printables
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- Building Toys
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- Creative Commons — Attribution — Noncommercial — Share Alike
Conventional 16x2 character LCD displays with hd44870 controllers are huge. They get even bigger with a PCF8574-based I2C module attached to their back.
Buydisplay.com sell the EastRising ERC1602-4 LCD series with a chip-on-glass (COG) ST7032 I2C controller which is much more compact. This allows for a lean and sexy 75x30x15 mm fischertechnik-compatible case. It's I2C connector is compatible with ftDuino and ft TX connectors.
Connectivity is accomplished with a simple perfboard PCB. Connections:
- pull up RESET (pin 1) with a 4,7k resistor
- pin 9 to VDD, pin 10 to GND for I2C mode
- never forget a capacitator with correct polarity between pins 11 and 12, or you'll get display errors, I used 1µF
- the 47 ohm LED resistor is for VDD = 3,3V, with 5V you'll need a bigger one
SCL, SDA, GND and VDD for I2C Use the comment sections or contact me directly if you need more info.
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Find my other fischertechnik designs here.
Print Settings
Printer Brand:
Anet
Printer:
A8
No
Supports:
Yes
.1 mm
Infill:
20 %
Filament:
any PLA/PETG any
Notes:
The bottom case prints better with supports close to the IC2-connector.
Category: Construction Toys