Use relay card as stand alone, addressed by switches or open collector outputs or remote controlled through RS232. Use with your Arduino or Raspberry Pi. Learn More
This kit comes with 2 bright 7 segment LED displays.
PC Connection using a 3-wire RS232 (serial) connection.
We have tested with a cable length of 50 meters. Learn More
Use the parallel port of your PC to drive 2 unipolar stepper motors. Software will take up to 4 INPUTS to also control the
motors. PCB fits into RS232 plastic case. Almost any stepper motor that draws no more than 1 ampere per motor
can be connnected. Learn More
This kit has been designed to function as a versatile LED control module.
The LED controller provides 3 high current channels to create light effects for the presentations, parties, etc. Learn More
This kit has been designed to function as a versatile LED control module.
The LED controller provides 3 high current channels to create light effects for the presentations, parties, etc. Learn More
Detect DTMF tones from a telephone line or as input to an onboard microphone from speakers.
Display on a 16 x 1 LCD or as ASCII from an RS232 output.
Up to 32 characters.
Scroll left or right. Learn More
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