TinyPLC – Duo

TinyPLC Duo is a two channel PLC with two inputs and two outputs.  It measures 4.04 x 1.65 inches.

Buy It: Tiny PLC-Duo

Features:

• two relays rated for 4A @ 120V AC or 4A @ 12V DC.
• Logic outputs on each relay for interfacing with external Solid State Relays.
• Two semi-protected inputs for switches or other sensors.
• ATmega 328P-PU chip, compatible with full Arduino IDE and library.
• Features 30K of program space
• 6 pin ISP Header
• USB-B socket for 5v power.
• Green, Blue, and Red LED’s – programmed to indicate relay and state status in example code.
• Reset button
• Transistors are protected by bypass diodes to prolong system life.
• Relays are protected by resistance/capacitance filters to prolong contact life.
• Relays are rated for 10A – 240V AC or 10A 30V DC (current limited by trace size on PCB).

Available on Tindie: http://www.tindie.com/products/Nanohawk/tinytimer-duo/

Features:

• Two Relays, one protected for heavy AC load.
• ATTiny85 based chipset
• Arduino IDE compatible – limited command set on Tiny series processors.

Reason Designed: I needed a two stage timer to control a reverse osmosis system.

Manual: tinytimer-duo-manual

Arduino Code: Arduino Code – TinyTimerDuo

Eagle Files: TinyTimer-Duo-Eagle-Files

Included Parts: