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Micro: IoT - expansion board for BBC micro:bit IoT - ElecFreaks EF03426
IoT basedexpansion board for micro:bit. It uses an ESP8266 WiFi expansion board and an SPI / I2C serial port . The IO ports have micro:bit GVS extensions so that additional components (such as LEDs and servos) can be connected to them. The board has a built-in buzzer module and RTC clock, which allows accurate timing without the need for a power supply.
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Product description: Micro: IoT based expansion board for BBC micro:bit IoT - ElecFreaks EF03426
IoT based expansionboard for the BBC micro:bit. It uses the ESP8266 WiFi expansion board and an SPI / I2C serial port to communicate with the micro:bit. The IO ports have micro:bit GVS extensions so that additional components (such as LEDs and servos) can be connected to them. The board has a built-in buzzer module and RTC clock, which allows accurate timing without the need for a power supply. The technology used allows direct connection of OLED, BME280 and IIC.
The manufacturer provides a user's guide which includes, among other things, instructions for coding the module and a diagram of how to run the various components of the board. |
Expansion board for micro:bit.
Description of individual pins of the module.
Pins of the expansion board
Detailed pinout description can be found on manufacturer website and in user guide.
Technical specification
- Power supply DC: USB 5 V
- Maximum current: 800 mA
- Interface: I2C / SPI
- Direct connection: OLED, BME280 and IIC
- I2C interface ports: 19, 20
- SPI interface ports: 14, 15
- WiFi module: ESP 8266
- RTC module: DS1307 RTC
- Battery type: CR1220
- Buzzer: passive
- PCB thickness: 1.5 mm
- Hole diameter: 2.4 mm
- Dimensions: 71 x 63 x 23 mm
- Weight: 30 g
Useful links
| Name | Value |
|---|---|
| Width | 9 cm |
| Height | 1 cm |
| Depth | 8 cm |
| Weight | 0.03 kg |
GLS
Shipping in 24 hours
from €8.07
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Delivery in 3–5 days, no inside delivery
from €96.75
The full delivery terms are on the page Delivery and payment.
30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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