ESP-01S PIR Sensor Kit

£14.00 GBP
By harnessing the capabilities of the ESP-01S PIR Sensor Kit, you can receive real-time notifications on your mobile device whenever the PIR sensor detects any motion.
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Introducing the ESP-01S PIR Sensor Kit – Where Technology Meets Precision!

Within this meticulously crafted kit, you'll discover the ESP-01 WIFI Development Board, a PIR (Passive Infrared) Sensor, and a versatile Base board. Assemble them seamlessly, and you'll have at your fingertips a fully functional PIR sensor system with Wi-Fi capabilities.

The PIR sensor, a marvel of motion detection, is an acronym for "Passive Infrared Sensor." It excels in a wide array of applications, from fortifying security systems to orchestrating lighting control and automation processes. Its core function lies in detecting alterations in the infrared radiation field within its operational sphere.

Now, the technical wizardry begins with the PIR sensor's connection to the ESP-01's GPIO 3. This connection adheres to an "active low" protocol, meaning it defaults to a "Low" state in the presence of any motion. To maintain the GPIO 3 in a "High" state during idle periods, it's imperative to implement the "input pullup" code, ensuring a smooth and uninterrupted operation.

The Base board is a versatile companion, supporting dual power sources: either from a TYPE-C USB port or through a reliable battery connection. What sets this board apart is its clever side switch. It moonlights as a power source switch, allowing you to seamlessly toggle between power supplies, while also serving as an effective power switch.

To make your journey even more rewarding, we provide you with an IDE source code. This code is your key to unlocking the full potential of the kit. By harnessing the capabilities of the ESP-01S PIR Sensor Kit, you can receive real-time notifications on your mobile device whenever the PIR sensor detects any motion.

It's a harmonious blend of technology and precision, designed for those who seek a deeper understanding of the mechanics behind motion detection and automation. Dive into the world of the ESP-01S PIR Sensor Kit and embark on a technical adventure that promises to elevate your expertise and your project's performance to new heights.

What’s in the Box

  • 1 x PIR Sensor Base
  • 1 x PIR Sensor
  • 1 x ESP-01S 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


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