dropController

dropController Water drop photography made easy. The dropController is multi-valve control system for drop art phot

dropControllerV3 new updates.
09/06/2025

dropControllerV3 new updates.

dropControllerV3 new updates posted.
Arduino sketch version AS25006
Windows app version WA25.0.0.6
Android app version AA250006

See https://www.dropcontroller.com/downloads/ for details

dropControllerV3 new DIY Kit finally available.  USD 35.00 / Euro 30,00 + shipping (does not include VAT/import taxes). ...
05/06/2025

dropControllerV3 new DIY Kit finally available. USD 35.00 / Euro 30,00 + shipping (does not include VAT/import taxes). Currently have limited stock.
This kit does not include, case or power supply.
Guides not yet on the website and I am away from home for the next few weeks so it will be a while until can update the site.

The kit includes:
1 x PCB
1 x Compatible Arduino Nano (USB C) + SIL pins
2 x 1x15 SIL female header
1 x USB C lead
1 x HC-02 (or HC-06 compatible) Bluetooth module
1 X DC005 barrel jack socket. 5.5mm OD, 2.1mm ID
1 x DC-DC step down buck converter
1 x F9Z24N mosfet
1 x 1N4739 Zener Diode
6 x 2EDGK 2P terminal connector (plug)
6 x 2ERJK 2P terminal connector (socket)
1 x HC-02 Bluetooth module
1 x 1x4 female header (or 1x6 female header)
6 x IRLZ22N mosfet
5 x 6 pin DIL socket
5 x 4N35 optocoupler
4 x PJ307 3.5mm socket
1 x green LED
1 x yellow LED
7 x 1N4007 diode
7 x 1/4W RESISTOR 10K OHM
1 x 1/4W RESISTOR 2K OHM
1 x 1/4W RESISTOR 1K OHM
7 x 1/4W RESISTOR 330 OHM
6 x 1/4W RESISTOR 100 OHM

This kit does not include
- power supply
- case

I could make power supplies available if there is enough demand.
12V 5A would be around USD20 / Euro 17,50

dropControllerV4 Minor Update. DC4_0624R and DC4mk_II_031R– added a trigger test / wake up trigger function. – turn key ...
07/03/2025

dropControllerV4 Minor Update. DC4_0624R and DC4mk_II_031R
– added a trigger test / wake up trigger function.
– turn key error beeb ON/OFF.
– minor update to screen layout for small screens.

Available from https://www.dropcontroller.com/downloads/

Camera Trigger SYNC mode syncs the shutter trigger time to the Flash trigger time. This allows you to concentrate on the...
17/02/2025

Camera Trigger SYNC mode syncs the shutter trigger time to the Flash trigger time. This allows you to concentrate on the Flash rather than the camera, there are a couple of things you need to know though. See the guide at https://www.dropcontroller.com/camera-trigger-sync-mode/

16 valve dropController. Available by special request.
10/10/2024

16 valve dropController. Available by special request.

dropControllerV4 new updates available.dropControllerV4 - DC4_0620RdropControllerV4-mkII - DC4mkII_025RWhats new?- Added...
15/03/2024

dropControllerV4 new updates available.
dropControllerV4 - DC4_0620R
dropControllerV4-mkII - DC4mkII_025R
Whats new?
- Added a save/load function
- Added keyboard short cuts
New firmware available on the dropController download page

dropController is a beginner friendly, advanced system for water drop photography. The dropController system has been designed by water drop enthusiasts for water drop enthusiasts and is the most advanced drop controller available. Straight forward to get started with yet with many advanced function...

There's always one!Did a workshop yesterday, one of the group found a bug with the Camera Trigger time. Apparently if yo...
01/03/2024

There's always one!
Did a workshop yesterday, one of the group found a bug with the Camera Trigger time. Apparently if you use SYNC mode and very large (very very large) offset time you set the camera trigger pulse time to zero. Who knew!

Anyway, fixed now. New firmware available for dropControllerV4 and dropControllerV4 mkII. See the download page at

Downloads Contents ToggleFeedbackdropControllerV4dropControllerV4dropControllerV4-8 mkII / dropControllerV4-16 mkIIdropControllerV3dropControllerV3 firmware / Arduino filesdropControllerV3 Android AppChangesdropControllerV3 Android App 2023ChangesdropControllerV3 Android App Source FiledropControlle...

New shoot from below Stand With Adapter.      Fully adjustable stand with bubble level and X/Y fine tune. Custom adapter...
05/09/2023

New shoot from below Stand With Adapter.
Fully adjustable stand with bubble level and X/Y fine tune. Custom adapter with 1/4" NPT thread.
USD39.00 plus shipping.

dropControllerV4. The ultimate water drop photography system.US$249.00 with free shipping to many locations; USA,  UK, F...
18/08/2023

dropControllerV4. The ultimate water drop photography system.
US$249.00 with free shipping to many locations; USA, UK, France, Germany, Spain, Netherlands, Japan, South Korea, Taiwan,
Not in the list? Ask about shipping to your county.

Includes:
dropControllerV4 8 Valve controller
Power supply. 24V 5AMP (12V also available)
Shutter release lead
Flash trigger lead
2 x trigger lead extension

8 easy to connect valve ports
48 drops (can be extended)
Compatible with 12v or 24v valves (requires matching power supply)
Clear easy to use, easy to understand control app
Compatible with any modern wifi or network enabled device; smart phone, tablet, laptop, PC
Super fast multicore processor
Extremely accurate trigger times
Fully updatable firmware with an easy to use update function
Local Mode or Network Mode. Connect directly to the dropControllerV4 or have the dropController connect to the local net work.
Convenient valve drain function



Free shipping is for the dropControllerV4 only. Other items have shipping costs.

dropControllerV4. New firmware update.                   Firmware DC4_606 adds a valve drain time out and fixes an obscu...
30/11/2022

dropControllerV4. New firmware update.

Firmware DC4_606 adds a valve drain time out and fixes an obscure issue in BULB mode.

Some valves can become hot when left open for extended periods of time. The new valve drain time out helps prevent this.

BULB mode got upset when using a very large offset time. I'm not sure why you'd want to use a large offset with BULB but now you can 😀
Available from the dropController downloads page https://www.dropcontroller.com/downloads/

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Hong Kong

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