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16-Channel I2C Relay Board Driver
The I2C-RELAY16 is designed to piggyback on commonly available, Chinese-made, boards with 16 SPDT re..
$20.00
40-Channel I2C Digital I/O Expander
The I2C-XIO is a 40-channel digital I/O expander with an I2C interface, based on the NXP PCA9698.&nb..
$75.00
Breakout Board for LTC2990
The LTC2990 is a Quad I2C Voltage, Current and Temperature Monitor from Linear Technology. It is onl..
$10.00
Breakout Board for LTC2997
The LTC2997 is a Remote/Internal Temperature Sensor from Linear Technology. It is only available in ..
$10.00
Dual Channel Optoisolator
Used for providing isolation between a variety of control systems, such as DCC stationary decoders a..
$10.00
ISE AVR Programmer
The ISE AVR Programmer is a simple USB programmer for AVR microcontrollers. It is based on the..
$15.00
Qwiic-Compatible 16-Channel I2C Relay Board Driver
The I2C-RELAY16-QWIIC is a Qwiic-compatible relay driver board designed to piggyback on commonly ava..
$20.00
TrainSpotter
"I was having problems with the sensors for my grade crossing flashers... As soon as I replaced th..
$19.00
TrainSpotter with Remote Sensor
"I was having problems with the sensors for my grade crossing flashers... As soon as I replaced th..
$25.00
TrainSpotter with Right-Angle Sensor
"I was having problems with the sensors for my grade crossing flashers... As soon as I replaced th..
$19.00
Reflective Infrared Proximity Sensor with Qwiic Connector
This device is a simple infrared proximity sensor with a 3.3V compatible I2C interface. It is ..
$10.00
TrainSpotterM (Motion Detector)
The TrainSpotterM senses true motion of a train moving over the sensor. FeaturesSmall size (0.25" x ..
$25.00
Single SPDT Relay Module - 12V Coil
Single SPDT relay for controlling higher-power loads. 12V coil voltage.Input ConnectionsDC+&nb..
$9.00
Single SPDT Relay Module - 5V Coil
Single SPDT relay for controlling higher-power loads. 5V coil voltage.Input ConnectionsDC+&nbs..
$9.00
12V / 1A Power Supply
This product has been replaced by the PSU-12V3A. AC power adapter. Can be used ..
$20.00