![]() ![]() Both connect to the same TWI interface to allow you to create a chain of TWI devices. 2 TinkerKit TWI: these connectors (4-pin in white) are routed on the Arduino TWI interface.2 TinkerKit Outputs: OUT5 and OUT6 (in orange), these connectors are routed to the Arduino PWM outputs on pins 5 and 6.2 TinkerKit Inputs: IN2 and IN3 (in white), these connectors are routed to the Arduino A2 and A3 analog input pins.The relays are controlled by the following Arduino board pins: Relay 1 = Arduino pin 4 Relay 2 = Arduino pin 7 Relay 3 = Arduino pin 8 Relay 4 = Arduino pin 12 The shield features several TinkerKit input/output and communication interfaces.Ĭonnecting TinkerKit modules can simplify the creation of a project or a prototype. The shield doesn't need external power: it will be provided by the base board, through the 5V and 3.3V pins of the Arduino board used as base. The Shield features four relays, each relay provides 2 pole changeover contacts (NO and NC) in order to increase the current limit of each output the 2 changeover contacts have been put in parallel.įour LEDs indicate the on/off state of each relay. ![]() The Arduino 4 Relays Shield is a solution for driving high power loads that cannot be controlled by Arduino's digital IOs, due to the current and voltage limits of the controller. Are there also people making the power strip themself Im thinking about building a box with 8 power outlets and just use a 5V 8-relay board to switch one wire of each power outlet with the relays.
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