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Pololu ACS714 Current Sensor Carrier -5 to 5A
TS-052-005

This board is a simple carrier of Allegro’s ±5A ACS714 Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mO) current path and electrical isolation up to 2.1 kV RMS.

$9.95
48 Ready to Ship!
Tamiya 6P DPDT Toggle Switch - Self-Neutral Function
TAM-043-000

Similar to the 6P Toggle Switch (TAM-042-000) but with a self-centering function that causes the control to go back to center when released. Handles up to 5A.

$4.70
11 Ready to Ship!
SuperDroid Robots - TTL Relay High Current Drivers
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Electrical/Controls  >  Discrete Components   >  High Current Drivers
SuperDroid Robots

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.For more information: Electrical Power Support.

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30A Relay Controller
30A relay carrier with control circuity to open and close the relay using a microcontroller. Available options include 12V, or 24V relays.
TE-265-030
$9.63
6 Ready to Ship!
10A Relay Controller
10A relay carrier with control circuity to open and close the relay using a microcontroller. Available options include 5V, 12V, or 24V relays.
TE-265-010
$7.31
14 Ready to Ship!
4 Relay, 7 Channel High Curr TTL Driver Module
This is a High current driver that will take TTL signals from your Arduino, etc to drive the relays. It includes status LEDs for each input. 5V, 12V, and 24V relay options are available. This item replaces TE-010-405 and TE-010-412
TE-249-040
$28.95
36 Ready to Ship!
7 Channel Relay Module
Powered by the ULN2003 high current driver, this module gives you easy control of up to 7 relays using TTL logic from an Arduino, Beagle Bone, or Raspberry Pi. 5V, 12V, and 24V relay options.
TE-249-070
$34.12
25 Ready to Ship!
Deluxe Robot Power Distribution Module
This is the deluxe version of our robot power distribution modules. The module features 4 relays for two independent drive and control batteries as well as additional power output connections. Perfect for solutions requiring much more power.
TE-248-220
$34.75
16 Ready to Ship!
Standard Robot Power Distribution Module
This is an upgrade for the basic robot power distribution board. The module features additional power outputs and a second control power relay. Perfect for more advanced solutions.
TE-248-120
$26.47
9 Ready to Ship!
Basic Robot Power Distribution Module
This is a basic power distribution board for robotic applications. The relay module features screw terminal connectors for your control and drive batteries, charging, power switch, and external LED.
TE-248-110
$19.06
18 Ready to Ship!
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
46 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
64 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
20 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
7 Ready to Ship!
High Current and Relay driver boards driven by 5V TTL signals
News and Updates
New Items
XL-MaxSonar EZ/AE 1300 High Power Output Ultrasonic Range Finder
TS-074-1300

The XL MaxSonar -EZ series uses high-power output and real-time calibration to ensure reliable readings when external conditions change. It's an excellent choice for wide beam and small obstacle detection.

$44.95
9 Ready to Ship!
Arduino Ethernet Shield V2 - Retail Box
MCU-083-000

This authentic Arduino Ethernet Shield connects your Arduino to the internet in minutes. This is the version 2 board sold in the retail box!

$39.95
11 Ready to Ship!
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