SKU: DFR1231
This expansion board for UNIHIKER K10 features full IO ports, 4 multi-functional C ports (supports 18B20/DHT11/DHT22), 4 servo interfaces (stable direct power), HuskyLens I2C (reliable current), Type-C 5V power (chargers/power banks/USB), and micro:bit compatibility (buzzer, MicroUSB, anti-misinsertion design).
1. Getting Started
2. Example Code for Mind+-Read DHT11 Temperature
The following example will use the Xingkong Board K10 for programming, with an external DHT11 temperature and humidity sensor connected to the expansion board to read the current ambient temperature.
Power Supply Parameters:
| Parameter | Details |
|---|---|
| Interfaces | TYPE-C, MicroUSB |
| Input Voltage | DC 5V |
| Power Switch | Connect or disconnect 5V power supply |
| Power Indicator | Red LED |
Expansion IO Ports:
| Parameter | Details |
|---|---|
| Number of IO Ports | * 19 (functions consistent with K10) |
| IO Expansion Port Voltage | DC 3.3V |
| Number of 3.3V I2C Interfaces | * 2 |
| Number of 5V I2C Interfaces | * 1 |
Multifunctional Interfaces:
| Parameter | Details |
|---|---|
| Number of Multifunctional Interfaces | * 1 |
| Multifunctional Interface Numbers | C0, C1, C2, C3 |
| Multifunctional Interface Voltage | DC 3.3V |
Servo Interfaces:
| Parameter | Details |
|---|---|
| Number of Servo Interfaces | * 4 |
| Servo Power Supply Voltage | DC 5V (power supply voltage) |
Buzzer:
| Parameter | Details |
|---|---|
| Buzzer Specification | Passive buzzer |
| Number of Buzzers | * 1 |
| Buzzer Interface | P0 |
| Buzzer Switch | Connect or disconnect P0 port |
Product Dimensions:
| Parameter | Details |
|---|---|
| PCB Dimensions | 66mm (length) * 50mm (width) * 12mm (height) |
| Mounting Hole Diameter | 3.1mm |
| Mounting Hole Spacing | 55mm |
Function Description:
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