Very low-cost Robotic tool -The Servo Tester.

It is a very low-cost device at less than Rs 200/- absolutely required for testing small servo motors. It is. a must device for hobby robotics. It is basically to both test and ensures the center position ( at 90 degrees) of a (non-continuous spinning only ) small Servo Motor which is very important for robotic applications as, the unit that is procured from the market, its shaft may not be in the center position. Thus if used without fixing its shaft position in the center, for any robotic application, say a humanoid biped, hexapod, pick and place, gripper, claw, etc during assembling,  then it gives erratic operation at the time of switch on even if the programming is correct. 90-degree position of the shaft is the center position where from the non-continuous servo shaft moves exactly – 90 degrees…

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Geekcreit® 12V 4CH Channel 433Mhz Wireless Remote Control Switch Transceiver Receiver Module

Features: It is a simple user programmable wireless remote control switch. The receiver has an output way /working way which can be changed as desired to match the transmitter. It has 4 Relays which can make 2 DC motors turn or reverse, on/off. 1. It covers applications ranging from a simple domestic remote control to home automation control, like auto door, window, lifting equipment, entrance access, up and down the controller, alarm system industrial control and security, etc. 2. The remote control is designed to control a wide variety of electronic devices with RF signals. 3. Extremely easy to set up and use. 4. It is compatible with 2262 / 2260 / 1527 / 2240 etc chip and several code wireless remote control. So it can meet someone’s need of choosing the wireless remote control as they like to work…

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