DIY smart fan controller with JoyReef — Part 2: configuration and rules
Total time: about 20 minutes · Difficulty: Medium · Prerequisite: Part 1 completed In Part 1 you wired the DS18B20 probe to…
2 August 2026
Marine reef aquarium blog
Your reef, explained and homemade.
aquarium blog
94+
articles
7
categories
DIY
step-by-step guides
Free beta open
Try JoyReef Portal for free
Manage data, history, notifications and DIY automations for your marine aquarium in a single online portal. Join the free beta and help us improve it with real feedback.
Data & history
Notifications
Automations
DIY devices
From the blog
Latest articles
Summer Heat and Your Reef Tank: How to Protect Your Aquarium When It’s Scorching Outside
Fans, chillers, blackouts and salinity: how to protect your reef tank from summer heat and notice in time when the temperature climbs…
25 July 2026
DIY smart fan controller with JoyReef — Part 1: parts and wiring
Total time: about 30 minutes · Difficulty: Medium · Cost: ≈ 25-30 € Why temperature control matters In a reef tank, thermal…
15 July 2026
Reef tank controller comparison 2026: Apex vs Reef-Pi vs Kamoer vs JoyReef
If you have a marine aquarium, sooner or later you’ll ask yourself: do I need a controller? The answer is almost always…
1 July 2026
DIY ATO with JoyReef: build the controller for automatic top-off
Perché un ATO è fondamentale per il reef Evaporation in a marine aquarium is constant. Lampade potenti, circolazione superficiale e temperatura dell’acqua…
19 June 2026
JoyReef dosing pump migration: technical checklist before updating the firmware
A practical checklist to prepare a JoyReef dosing pump migration: schedules, calibration values, firmware, WiFi setup and first checks after moving to…
15 June 2026
Explore
Browse by topic
From glass cutting to zooxanthellae biology: each category gathers its dedicated guides and deep-dives.
Shop
Built and tested by us
Products born from our blog projects: dosers and boards designed for DIY reef keeping.
-
Box Kamoer KFS PRO
Box per contenere le Kamoer KFS Stampato in materiale Reef Safe Compreso di tutte le viti per fissare…
Price range: €22,00 through €27,00 Select options This product has multiple variants. The options may be chosen on the product page -
Kit Joyreef Kamoer KXF Pumps
Kit Joyreef Pompe Kamoer KXF
Price range: €120,00 through €210,00 Select options This product has multiple variants. The options may be chosen on the product page -
Kit Joyreef Pompe Kamoer KXF
Kit Joyreef Pompe Kamoer KXF
Price range: €120,00 through €210,00 Select options This product has multiple variants. The options may be chosen on the product page
About us
A project to help and have fun with reef
Joyreef was born from a passion for marine aquariums: we share experiments, electronics schematics and what we learn along the way, to make keeping a reef simpler — and more fun.
Learn more
New
Your aquarium under control, from the portal
With ~€120 in components, build a DIY controller for sensors, smart outlets and automations. The same project from the blog, now in a dedicated portal.
Discover the portal