ESP-01S Relay Kit

£14.00 GBP
Unlock the potential of your DIY projects with the Lonely Binary ESP-01S Relay Kit, where technology and innovation converge to put power management at your fingertips.
Add to Wishlist

visamasterapple paygoogle paypaypal

Introducing the Lonely Binary ESP-01S Relay Kit: Your Gateway to Wi-Fi-Controlled Power Management

This comprehensive kit equips you with the essential components to create a Wi-Fi-controlled switch suitable for both AC and DC devices. It comprises the ESP-01S Wi-Fi Development Board, a Type-C Base, and a transparent relay module. This relay module, in its crystal-clear housing, offers not only exceptional functionality but also the unique advantage of visualizing the relay's operation.

It's crucial to note that this kit is intended for hobbyist use and should never be integrated into live AC circuits within your home. Additionally, the voltage supplied should never exceed 36 volts, as higher levels can lead to severe injury or fatal consequences. Safety is of paramount importance in its usage.

At the core of this kit lies the relay, an electromechanical switch that responds to an electrical signal. When the coil within the relay is energized, it generates a magnetic field that actuates the switch mechanism. Relays are indispensable in controlling circuits with high-voltage and high-current requirements using a low-voltage and low-current control signal. The transparent relay module included in this kit provides a unique educational opportunity, allowing you to observe the relay's seamless transitions between the on and off states, enhancing your understanding of its operation.

To further enrich your experience, we provide an code that simplifies the creation of a web-based server on the ESP-01S. This enables you to exert precise control over the relay from anywhere with an internet connection.

Unlock the potential of your DIY projects with the Lonely Binary ESP-01S Relay Kit, where technology and innovation converge to put power management at your fingertips.

What’s in the Box

  • 1 x Type-C Relay Base
  • 1 x Crystal Clear Relay Module
  • 1 x ESP-01S WIFI Development Board



  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.


At this time, LONELY BINARY is an online-only business, with our products available through This allows us to keep the cost down for the customer. Orders cannot be picked up. 


We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 


Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit


Customer Reviews

Be the first to write a review