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HiveLD - Highly Versatile LED Driver

The HiveLD drivers offer a high amount of customizability through a user accessible setup mode. In the stock configuration they have a multi-level UI with brightness level memory and monitoring of the battery voltage and the driver temperature. Brightness levels and a lot of the (advanced) features can be individually configured through the setup at any time.

Main features of the HiveLD Firmware

User configurable features

Driver setup mode - Quickstart

The setup mode works by visually signaling the settings and their value. You change the settings by turning off the light during certain time frames that are indicated visually as well.

1. Prerequisite: Unlock the setup mode with solder jumper

2. Execute a "setup toggle pattern" to enter setup mode: 2x toggle long - 4x toggle short - 2x toggle long

Starting with the light turned on on the lowest output level you first do two "toggle long" (0.5 to 2.0 s off-time). You know that you have used the right timing if you don't see a level change. Then you do 4 "toggle short", each time advancing one brightess level. Now perform two "toggle longs" to complete the sequence.

3. Make your changes to the settings. A detailed explanation of how the driver signals the settings and values can be found in the user manual. The "Settings structure map" gives an overview of all settings.

4. After leaving the setup mode your changes are being stored permanently

HiveLD Hardware specs

Downloads

PDF FileDownload HiveLD-P User manual (Aqua lights driver)
Settings structure overviewSettings structure HiveLD-P (Aqua lights driver)

PDF FileDownload HiveLD-S 1.8V User manual (1x123 E-Series driver)
Settings structure overviewSettings structure HiveLD-S 1.8V (1x123 E-Series driver)

FAQ

HiveLD-P: Will primary lithium cells work as a backup?

A single primary cell (CR123) has an open cell voltage of 3.2 V when full. While this is enough to run the driver, the low voltage output reduction will limit the output to the lowest level rather soon. Do NOT use 2 primary cells in series since the open cell voltage will likely damage the driver!

Is there any downside or risk in using unprotected Li-Ion rechargeable cells?

Since the driver is providing a deep discharge protection you can safely use unprotected cells. If you recharge the cells once the driver starts to reduce the output of the light, the cell voltage is usually at 3.4 to 3.5 V. This prolongs battery life without sacrificing much of the total usable capacity.

What is the lowest possible output current / brightness?

The output current on brightness level 1 is about 3 ... 6 mA. This current value does vary somewhat from one driver to the next. The maximum output current that the driver is calibrated for does not have a big impact on the lowest level.

HiveLD-P: What are the brightness level currents depending on the maximum output current?

The output currents are scaled relatively to the maximum output current, i. e. brightness level 18 would always be close to 50% of the maximum output. To make it easier to chose the brightness levels according to the desired current values see the table below.

Output current guide

Is the output current continous or a PWM signal?

Generally the output is true current regulated, there is no PWM in the output with one EXCEPTION: For LED currents smaller than 20 mA (HiveLD-P) or 15 mA (HiveLD-S 1.8V) the driver does resort to PWM. Otherwise the output would not be visually stable. This PWM uses a frequency of 400 Hz (HiveLD-P) or 650 Hz (HiveLD-S 1.8V) respectively, which you should not see as long no quick movements happen. This was a necessary compromise due to the limits of the hardware, one that hopefully is not going to be a problem for most. Again, this only applies to the lowest output levels below 20 mA.

I have unlocked the setup mode with the jumper but i am not able to get into the setup?

Pay special attention to the timing of the "toggle long" inputs. They need to be longer than half a second and if you see a level change when you wanted to execute a toggle long, then the OFF time has been too short actually.

Do i need to keep the solder jumper in place if i want to use the setup mode?

Yes, you can only use the setup with the jumper closed.

What if i have found my perfect setup and don't want to bother with the setup anymore?

In this case you could remove the solder jumper for the setup mode again, your current settings will be made permanent.

Can i get a bare driver board from you?

No, at the moment i am not selling any boards separately.

Support

Please use CPF forums for all topics. For the HiveLD-P use this thread for all questions and suggestions. The HiveLD-S 1.8V has a separate thread. I am going to extend the FAQ and documentation to build on the experience from all users.