elecfreaksElecfreaks· Boards & embedded computing
ELECFREAKS Octopus 1 Channel Relay 3V
Manufacturer part no. EF04086
$4.90≈ 4.25 €
Price summary
Listed by elecfreaks at €4.25. Delivered to France, including shipping, VAT and any customs duty, it comes to about €23.10. 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 | €4.25 |
|---|---|
| Shipping | €15.00 |
| VAT (20%) | €3.85 |
| Total delivered | €23.10 |
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.
Specifications (automatically extracted)
Electrical
| Voltage | 3 V |
Mechanical
| Weight | 9 g |
Description
1 Channel Relay 3V Relay Module is one of the OCTOPUS series of electric bricks. It is fundamentally designed according to OCTOPUS electric brick series with the same shape, PCB positioning holes, and electric brick connectors. OCTOPUS 1 Channel Relay has adopted a mini and high-quality HUIKE relay, which is available to control all kinds of home appliances and high current load devices. This is a common accessory module for electronic DIY fans. DIMENSION FEATURES Equipped with a high current relay. Its max current can be up to 2A. Adopt a 3V power supply, which is enough to support micro:bit. Contact control, including a normally open contact and a normally closed contact. Convenient wire connection. QUICK START Hardware Connection Connect the relay module to P1 on octopus:bit using a jumper cable. Insert micro:bit into the edge slot of octopus:bit. PROGRAMMING Click to open Makecode, and write your code in the editor area. Set high electric level to P1 port to make the normally open contact close and the normally closed contact opens. Thus, we are able to control the connection of the contact switch through code. Link of the whole program: https://makecode.microbit.org/_Lvega7TP6ggz You can also download it from the page below. RESULTS The normally open contact is closed, while the normally closed contact is opened.
