SuperDroid Robots
Robots, Parts, & Custom Solutions
Category List
7 Chan High Cur TTL Driver with 4 Power 5V Relays - DISCONTINUED
Item Details
7 Chan High Cur TTL Driver with 4 Power 5V Relays - DISCONTINUED
Item Name:
7 Chan High Cur TTL Driver with 4 Power 5V Relays - DISCONTINUED
Item #:
SuperDroid Robots
Adjusted Price:
We're sorry, this item is currently out of stock. Please contact us for availability.

This item was replaced by TE-249-040 with the default 5V relay option.


This is a must for driving any circuits over 20mA. TTL logic outputs from the Arduino, or your microcontroller platform of choice, does not have the capacity to drive much more than an LED. This board allows you to easily drive higher current devices. It will drive up to 50V and 2 watts of power (1 watt per channel, but the channels can be paralleled for over 1 watt). The circuit can handle about 500mA continuously. The circuit also has inductive load transient suppression which occurs when driving such things as coils on relays.

All our high current drivers have 7 channels. All but the basic assembled board and one relay board have status LEDs which will light with a TTL (+5VDC) logic input. The boards that have relays are rated at 10A@120VAC. An external power source is plugged into the board that drives the loads. If you use the relays, then the supply needs to be either 5VDC or 12VDC. The 5VDC coils will draw about 60mA each. The 12VDC coils will draw about 37mA each.

Available Options:

(Selected Below)

If you want screw terminals as pictured, you must select that addition below, else you can solder your wires right into the holes on the PCB.

These kits come unassembled, but you can opt for assembly if you wish. All the components are on the top side, and the boards are spaced out to make assembly as easy as possible. Click on the images to view the board in detail. The 4 relay boards are now silkscreened and masked for easier assembly.

Documentation and Support:

For assembly and operation instructions follow this link.(~1.5MB)

Item Options - Customize
Select an option by clicking on its button. To see more details about the option select the option name, selecting 'more details' in the pop-up will take you to that options product page. Default selections (if any) are pre- selected for you. Click on the update button below to see the price with your selected options.

Connection Type for TTL High Current Driver. All connectors options should be checked to completely populate the board.

Assembly Options for TTL High Current Driver

Assemble High Current TTL Driver (Add $14.95)
Item Price
Adjusted Price

This is a High current driver that will take the 5V TTL signal from your Arduino, etc and drive any all of the 4 relays.  It includes status LEDs for each input.  Please see TE-249-___ for replacement.
New Items
B3 Pro Compact 2S-3S Lipo Balance Battery Charger

The B3 Compact charger is a very simple to use charger for 2S and 3S battery packs. No need for additional power supplies or 12v batteries as this little unit has its own built in power supply that can be powered with 100-240v.

49 Ready to Ship!
Hook and Loop Cable Ties

These ties are flexible, reusable, and adjustable for when you have delicate bundles or bundles that frequently change in size.

7 Ready to Ship!
Powered by SuperDroid Robots, Inc