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DB15 M/M mini gender changer
TE-104-601

Slim Gender Changer DB9 Male to DB9 Female.

$3.90
24 Ready to Ship!
MLT-JR Tracked Robot Platform
TP-220-001

This is a MLT-JR tracked robot platform and is equipped with 32mm motors, a motor controller, and Spektrum remote control. This is a rugged robot platform. By default, the treaded robot handles up to 15lbs of additional payload and travels 300ft/min.

$666.36
Built to Order
1-3 Days
SuperDroid Robots - TTL Relay High Current Drivers
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Electrical/Controls  >  Discrete Components   >  High Current Drivers

High Current Drivers

These are a must for driving any circuit over 20mA. The GPIO outputs from an Arduino, Raspberry Pi, or Beagle Bone do not have the capacity to drive much more than an LED. These boards allow 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.

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


The answers to the most common questions we get can be found on our support pages.

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ULN2003APG High Current Driver
The ULN2003APG High Current Driver has 7 NPN Darlington arrays in a 16-SOIC package. This is perfect when you need to use a microcontroller to toggle a relay or control high power LEDs.
TE-235-203
$1.94
50 Ready to Ship!
7 Channel High Current TTL Driver - SMD
This is the SMD version of our popular 7 channel high current driver based on the ULN2003. The driver takes a 5V TTL signal from your Arduino, Raspberry Pi, Beagle Bone, etc and drives higher current devices up to 50 VDC
TE-010-800
$7.99
18 Ready to Ship!
Bit Switch Radio Controlled
The Basic Micro Bit Switch is a MOSFET based switch. Control loads up to 24VDC at 3Amp. 3 Modes of Control, hobby radio receiver, TTL or serial.
TE-162-000
$14.95
7 Ready to Ship!
DPDT and SPDT Relay with TTL Driver
This is a Relay circuit driven by TTL singles. A DPDT and SPDT relay are connected to allow you to drive a load in forward/off/reverse.
TE-010-502
$24.90
17 Ready to Ship!
7 Chan High Cur TTL Driver with 1 Power 5V Relay
This is a High current driver that will take the 5V TTL signal from your Arduino, etc and drive a single relay. Six other channels are left open for other applications.
TE-010-105
$14.95
8 Ready to Ship!
7 Chan High Cur TTL Driver with 4 Power 12V Relays
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. Three other channels are left open for other applications. It includes status LEDs for each input.
TE-010-412
$28.95
5 Ready to Ship!
7 Chan High Cur TTL Driver with 4 Power 5V Relays
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. Three other channels are left open for other applications. It includes status LEDs for each input.
TE-010-405
$28.95
12 Ready to Ship!
7 Chan High Cur TTL Driver with 2 Power 5V Relays
This is a High current driver that will take the 5V TTL signal from your Arduino, etc and drive any all of the 2 relays. Five other channels are left open for other applications. It includes status LEDs for each input.
TE-010-205
$21.95
2 Ready to Ship!
7 Channel High Current TTL Driver
This is a High current driver that will take the 5V TTL signal from your Arduino, etc and drive higher current devices @ 0-50 VDC
TE-010-000
$8.95
9 Ready to Ship!
High Current and Relay driver boards driven by 5V TTL signals
Custom Robot Request

We specialize in designing and fabricating custom robots and other electro-mechanical devices.

You can also get a quote for custom mechanical, software, and electronics engineering services. We can also do your custom CNC work, general fabrication, and welding.

1-919-557-9162

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Looking for our Tactical Robots? We've created a new, dedicated website to better serve our customers. Please click the image below to visit the new SDRTactical.com!

New Items
IG42 24VDC 340 RPM Gear Motor with Encoder
TD-044-340

These heavy duty gear motors have a rated speed of 340 RPM and a gear reduction of 1:17. These geared motors feature encoders and serve as excellent robot motors, but work great for other uses.

$54.12
14 Ready to Ship!
NEW Prebuilt 4WD IG42 - SB Custom Length Assembled Robot with 10 inch Tires
TP-500-082

This RTR robot uses custom length sides and 10 inch tires. We have included everything to make it ready to run including batteries, controllers, chargers, etc. It has never been used.

$1,209.23  $1,139.00
1 Ready to Ship!
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