> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Adafruit High Power Infrared LED Emitter - STEMMA JST PH 2mm

**Type:** Product page · **SKU:** ADA5639 · **Brand:** [Adafruit](https://core-electronics.com.au/brands/adafruit-australia)
**Page:** https://core-electronics.com.au/adafruit-high-power-infrared-led-emitter-stemma-jst-ph-2mm.html ([markdown](https://core-electronics.com.au/adafruit-high-power-infrared-led-emitter-stemma-jst-ph-2mm.html.md))

This board is like a little ray gun for infrared light, with two high powered LED outputs. When controlled with the onboard N-Channel FET...

## Pricing

- **Price:** $7.45 (inc GST) — $6.77 AUD, exc GST
- **Quantity discounts:** 10+ $6.57 (exc GST) · 50+ $6.44 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Sep 03 and Sep 08.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=ADA5639:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/ADA5639:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.)
- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

This board is like a little ray gun for infrared light, with two high powered LED outputs. When controlled with the onboard N-Channel FET driver, you'll be blasting 100mA-200mA of current pulsing through each LED for 10+ meters of range! This is the easiest way to get great IR emitter range without wiring up a bunch of parts.

By using a [2mm pitch STEMMA JST PH](https://core-electronics.com.au/search?q=jst+ph+3) cable with headers or alligator clips on the end, you can easily wire this board up without any soldering at all.

This board features a power transistor so you just need to provide about 3-5V DC power to the V+ power in, ground for ground, and then a 3-5V logic level signal on the input pin. When the pin is high, the LEDs are on, when the signal pin is low, the LEDs are off. Since humans don't see in IR, there's a red LED that will let you know when the IR LEDs are lit. Two LEDs are pre-soldered to the PCB, one pointing up and one pointing out. If you want even MORE coverage, [there's a spot to solder in a separate 5mm IR LED (not included)](https://core-electronics.com.au/super-bright-5mm-ir-led-940nm.html).

If powering with 5V, the board will draw about 200mA per LED (400mA total) when pulsing on. If powering with 3V the board will draw about 100mA per LED (200mA total). Adafruit don't recommend keeping the LEDs on for long periods at this current draw, they're for remote control transmission more than IR illumination.

Each STEMMA board comes with a fully assembled and tested PCB but no cable. No soldering is required to use it, but you will need to pick up [a 2mm pitch, 3-pin STEMMA JST PH cable](https://core-electronics.com.au/search?q=jst+ph+3). Alternatively, if you *do* want to solder, there's a 0.1" spaced header for power/ground/signal.

## Technical Details

Product Dimensions: 25.4mm x 17.7mm x 7.2mm / 1.0" x 0.7" x 0.3"

Product Weight: 1.8g / 0.1oz

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/A/D/ADA5639-1.jpg)