elecfreaksElecfreaks· Boards & embedded computing
ELECFREAKS micro:bit Power:bit Expansion Board
Manufacturer part no. EF03409
$5.90≈ 5.11 €
Price summary
Listed by elecfreaks at €5.11. Delivered to France, including shipping, VAT and any customs duty, it comes to about €24.13. Prices last checked on 2026-09-16.
Delivered cost is an estimate for a single item shipped to mainland France; the seller's checkout is authoritative.
In stock
Estimated landed cost
| Item | €5.11 |
|---|---|
| Shipping | €15.00 |
| VAT (20%) | €4.02 |
| Total delivered | €24.13 |
Estimate for a single item delivered to mainland France, shipped from outside the EU: customs duty and clearance fees may apply and are charged by the carrier.
Description
ELECFREAKS Power:bit Expansion Board is a pocket-sized Expansion Board. It is powered by two 2025 button batteries and carries a buzzer on the board. Due to its small cute size and abundant electric power, it is quite suitable to be applied to micro:bit wearable devices like pedometers, timers, portable music broadcasters, and so on. FEATURES Powered by two CR2025 li-batteries. The buzzer on board is connected to the P0 port on micro:bit. P0, P1, P2, 3V, and GND can be led out by pins. Enable to match micro:bit and acrylic watch band. MAJOR COMPONENTS Power Switch The end marked I is for power on, and the other marked O is for power off. 1x4 Pin Connector It can export pins like P1, P2, 3V, and GND. We can use it to do some extensions. Two CR2025 Battery Sockets You can place two 2025 batteries（or a 3V button battery）into the socket. Buzzer The buzzer is controlled by the P0 port. HARDWARE CONNECTION Fix micro:bit onto power:bit with 5 screws. Then place a pair of 3V 2050 batteries into the battery socket of power:bit. When we slide the switch to the end marked I, the whole device is powered on. When we slide the switch to the end marked O, the whole device is powered off. PROGRAMMING Click to open Makecode online editor, and write your code tothe make micro:bit screen displays a flashing heart. You can see the whole program from the link Or you can download it from the page below. RESULTS A heart flashes on micro:bit screen. PARAMETERS Product Name: Power:bit Expansion Board Version No.:V1.4 SKU:EF03409 Working Voltage:2.7~3.3V Buzzer:Support Dimension:42mm x 52mm Net Weight: 10.7g PACKAGE LIST Components Qty(pcs) Power:bit Expansion Board 1 3x5Countersunk Screw 7
