Phidgets - Text LCD Display 20 x 2 White
Analog Inputs
The analog inputs are used to measure continuous voltage outputs generated by various sensors such as temperature, humidity, position or pressure. Phidgets offers a variety of sensors that can be connected directly to the board via the included cable.
Sampling rates can be set to 1ms, 2ms, 4ms, 8ms and multiples of 8ms up to 1000ms.
For more information on these inputs and their connections, see the Analog Input Primer.
Digital Inputs
The digital inputs have a hardware filter to prevent false triggering due to electrical noise. They can be used to transmit the state of devices such as pushbuttons, limit switches, relays, and logic levels.
Digital outputs
The digital outputs can be used to drive LEDs, solid state relays (such as the 3052 SSR Relay Board), transistors, and anything that accepts a CMOS signal.
The following accessories are included:
Hardware Mounting Kit:
- 4x M3 screws (2cm length)
- 4x plastic spacers (5 mm length)
- 4x M3 nuts
Specifications:
| Board Properties |
USB Voltage Min |
4.6 V DC |
| |
Controlled By |
USB (Mini-USB) |
| |
USB Voltage Max |
5.5 V DC |
| |
Current Consumption Min |
13 mA |
| |
Current Consumption Max |
500 mA |
| |
Available External Current |
487 mA |
| |
Recommended Wire Size |
16 - 26 AWG |
| |
USB Speed |
Full Speed |
| |
Operating Temperature Min |
0 °C |
| |
Operating Temperature Max |
70 °C |
| LCD Screen |
Dots per Character |
5 x 8 |
| |
Character Width |
3 mm |
| |
Number of Rows |
2 |
| |
Characters per Row |
20 |
| Voltage Inputs |
Number of Voltage Inputs |
8 |
| |
Voltage Input Resolution |
10 bit |
| |
Input Impedance |
900 kΩ |
| |
Input Voltage Min |
0 V DC |
| |
Input Voltage Max |
5 V DC |
| |
5V Reference Error Max |
0.5 % |
| |
Voltage Input Update Rate Min |
1 samples/s |
| |
Voltage Input Update Rate Max (4 Channels) |
1000 samples/s |
| |
Voltage Input Update Rate Max (8 Channels) |
500 samples/s |
| |
Voltage Input Update Rate Max (WebService) |
62.5 samples/s |
| Digital Inputs |
Number of Digital Inputs |
8 |
| |
Pull-up Resistance |
15 kΩ |
| |
Low Voltage Max (True) |
900 mV DC |
| |
High Voltage Min (False) |
4.2 V DC |
| |
Low Voltage Trigger Length Min |
4 ms |
| |
High Voltage Trigger Length Min |
15 ms |
| |
Digital Input Voltage Max |
± 15 V DC |
| |
Digital Input Update Rate |
125 samples/s |
| Digital Outputs |
Number of Digital Outputs |
8 |
| |
Series Resistance |
300 Ω |
| |
Digital Output Current Max |
16 mA |
| |
Digital Output Voltage Min |
0 V DC |
| |
Digital Output Voltage Max |
5 V DC |
Downloads:
Mechanical Drawing
3D StepFile
