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@@ -10,7 +10,7 @@ b-parasite is an open source soil moisture and ambient temperature/humidity/ligh
 # Features
 * Capacitive Soil moisture sensor - see [this blog post](https://rbaron.net/blog/2021/04/05/How-capacitive-soil-moisture-sensors-work.html), [this Twitter thread](https://twitter.com/rbaron_/status/1367182806368071685), and [this post](https://wemakethings.net/2012/09/26/capacitance_measurement/) for nice resources on how they work
 * Air temperature and humidity sensor using a [Sensirion's SHTC3](https://www.sensirion.com/en/environmental-sensors/humidity-sensors/digital-humidity-sensor-shtc3-our-new-standard-for-consumer-electronics/)
-* Light sensor using an [ALS-PT19](https://everlighteurope.com/ambient-light-sensors/7/ALSPT19315CL177TR8.html) phototransistor
+* Light sensor using an [ALS-PT19](https://en.everlight.com/wp-content/plugins/ItemRelationship/product_files/pdf/ALS-PT19-315C-L177-TR8_V8.pdf) phototransistor
 * Powered by a common CR2032 coin cell, potentially for over two years
 * Support for [nRF52840](https://www.nordicsemi.com/products/nrf52840) and [nRF52833](https://www.nordicsemi.com/products/nrf52833) modules
 * Open hardware and open source design