On this page the company LOETRONIC presents some specific hardware developments and adaptations of the standard players:
![Motor controller](http://www.loetronic.de/en/wp-content/uploads/sites/4/2022/06/Motorcontroller-300x214.png)
Custom motor controller board
– Control of 2x 230V motors
– Connection for sensors
– Connection for button and switches
– Different digital in- and outputs
– USB interface for configuration
– Microcontroller technology by LOETRONIC ®
![MP3 recorder board](http://www.loetronic.de/en/wp-content/uploads/sites/4/2021/04/U2PASS_01_low-300x203.png)
Custom MP3 recorder board
– SD card
– LC display + 6 buttons
– Audio Input + Audio Output via XLR, LAN, RTC
– ULTRA 2 / DUAL MP3 technology by LOETRONIC ®
![XBOX MP3 module](http://www.loetronic.de/en/wp-content/uploads/sites/4/2021/04/XBOXModul_01_low-300x167.png)
Custom MP3 module for gaming controller
– Small form factor
– Micro-SD card
– 8 button inputs
![IO-PCB](http://www.loetronic.de/en/wp-content/uploads/sites/4/2020/03/IO-LPB-300x184.png)
Custom IO PCB
– Microcontroller board
– RS485 interface
– Various IO interfaces
![ULTRA MP3 player with DMX](http://www.loetronic.de/wp/wp-content/uploads/PlayerDMX-300x156.jpg)
Extension of the ULTRA MP3 player with an interface for controlling a DMX spotlight
– Light effects in sync with the audio playback via DMX512
– Time precisely setting the DMX channels via text file on SD card
– Compatible with all DMX devices (slaves), player acts as DMX master
– Extension on all ULTRA and ULTRA AMPII MP3 players possible
![PTT adapter](http://www.loetronic.de/en/wp-content/uploads/sites/4/2020/03/PTT-Adapter-Funk-300x209.png)
PTT radio adapter for transmitting external audio signals into existing radio connections
– Connection via headset cable with PTT function
– Regardless of the radio technology used
– External audio signals via cinch socket (Line In)
– Setting options via DIP switches
– Connection to control electronics via potential-free contacts (RJ socket)
![PTT player](http://www.loetronic.de/en/wp-content/uploads/sites/4/2020/03/PTT-Player-Funk-300x250.png)
PTT player for transmitting external audio signals into existing radio connections
– Cost-effective and compact housing with integrated ULTRA MP3 module
– Connection via headset cable with PTT function
– Regardless of the radio technology used
– 8 potential-free contacts for triggering audio signals
![ZC V11](http://www.loetronic.de/wp/wp-content/uploads/ZCV11-300x207.jpg)
Custom carrier board for the ULTRA MP3 module
![ULTRA AMPII MP3 player](http://www.loetronic.de/wp/wp-content/uploads/FallguyGehaeuseBlack_2-300x225.jpg)
The ULTRA AMPII MP3 player in an improved special case
– Improved installation via front panel
– Use in vehicles (buses)
![RTC module](http://www.loetronic.de/wp/wp-content/uploads/RTCModul-300x199.jpg)
RTC module for time-controlled playback of announcements
– Connection by simply plugging on carrier boards
– Used in custom electronics and ULTRA MP3 players
![RTC player](http://www.loetronic.de/wp/wp-content/uploads/Werbeplayer-300x199.jpg)
RTC player for time-controlled playback of announcements
– Cost-effective and compact housing with integrated ULTRA MP3 module
– Integrated RTC module
– USB interface
– Audio signals via cinch sockets (Line Out)
![ULTRA MP3 player with remote control](http://www.loetronic.de/wp/wp-content/uploads/ultra_fb-300x240.jpg)
Extension of the ULTRA MP3 player with a radio remote control
– Radio remote control with four buttons and LC display
– Button assignment of the remote control customizable
![Ultrasonic Adapter](http://www.loetronic.de/wp/wp-content/uploads/UltraschallAdapter-300x199.jpg)
Customized ultrasonic adapter
– Distance measurement in the range of 10cm to 2m
– Connection of 3 additional sensors via master / slave operation
– Setting options via DIP switches
– Connection to control electronics via potential-free contacts (RJ socket)
![USB/RS485 adapter](http://www.loetronic.de/wp/wp-content/uploads/USBAdapter-300x199.jpg)
Custom USB / RS485 adapter
– Transmission of USB signals via RS485 bus
![KASSEN/RS485 adapter](http://www.loetronic.de/en/wp-content/uploads/sites/4/2020/03/Kassen-Adapter-300x203.png)
Custom RS485 adapter
![IO/RS485 adapter](http://www.loetronic.de/en/wp-content/uploads/sites/4/2020/03/IO-Adapter-300x169.png)
Custom IO / RS485 adapter
– Transmission of IO signals via RS485 bus
![ZC V9](http://www.loetronic.de/wp/wp-content/uploads/ZCV9-300x199.jpg)
Custom carrier board for the ULTRA MP3 module
![ZC V8](http://www.loetronic.de/wp/wp-content/uploads/ZCV8-300x199.jpg)
Custom carrier board for the ULTRA MP3 module