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Trinket Temperature Humidity Lcd Display
AdafruitTrinket
A microcontroller board with an LCD display and DHT22 sensor for temperature and humidity monitoring.
In stock
Specifications
1- Operating Voltage
- 5V (3.3V for 3V Trinket) - 16 MHz clock speed, 8 KB flash, 0.5 KB RAM, LCD backpack I2C interface with 2 pins, USB not mentioned, dimensions: small enclosure, connectivity: I2C, GPIO count: 4-5 (depending on backlight control)
Pinout
5Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 0 | GPIO #0 | GPIO | Used for I2C clock (CLK) |
| 1 | GPIO #1 | GPIO | Shared with onboard LED and used for DHT22 sensor |
| 2 | GPIO #2 | GPIO | Used for I2C data (DAT) |
| 3 | GPIO #3 | ADC | Analog input A3 |
| 4 | GPIO #4 | ADC | Analog input A2 |
Interactive pinout
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