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Proto-PIC 4-Channel RC Servo Multiplexer with Partial Kit - 24.6 mm x 24.6 mm (0.97″ x 0.97″)

The Pololu 4-Channel RC Servo Multiplexer can be used with standard hobby radio control systems and servo controllers to allow easy switching of servo control between two independent sources using a separate auxiliary channel as the input selector. This makes it ideal for applications in which you have two possible control sources and want to be able to switch between them on the fly. For example, you could connect two RC receivers to the same set of servos or electronic speed controls (ESCs) and allow the master transmitter to decide whether the master or slave transmitter is in control, thereby setting up your own buddy-system training setup. Another possible application would involve multiplexing between an RC receiver and a servo controller, which would allow you to switch between autonomous and manual control of a set of servos.

The RC multiplexer measures the width of incoming RC pulses on the channel labeled SEL and compares it to a user-configurable threshold (with ±64 μs of hysteresis) to decide whether the master (M1–M4) or slave (S1–S4) inputs to the multiplexer should show up on the output channels (OUT1–OUT4). By default, the threshold is approximately 1700 μs and the slave inputs are only selected when the pulses on SEL are above this threshold. The multiplexer has a learning mode that allows you to change the threshold and activation direction. A yellow indicator LED provides feedback about the state of the RC multiplexer.

When the RC signal on the SEL channel is lost or invalid, the optional FAILMODE jumper determines the output behaviour. If the jumper is left off, the master inputs will be in control. If the jumper is connected, the output channels go low and stay low for as long as the signal on the SEL channel remains invalid. For many servos and ESCs, a constant low on the signal line will turn them off, which might be desirable if the control signals are known to be bad.

The multiplexer considers the RC signal on the SEL channel to be valid if it has a 10–330 Hz pulse rate and 0.5–2.5 ms pulse width. The other inputs (S1–S4 and M1–M4) are unrestricted.

The power supplied by the master RC device should be between 2.5 and 16 V, and it must be capable of supplying the current that the servos connected to the outputs draw. The power pins of the SEL, M1–M4, and OUT1–OUT4 channels are all connected to the same VM rail, and the multiplexer draws its power from those pins. The power pins of the S1–S4 inputs are connected to each other on the VS rail but are not used by the board.

Features:

4-Channel RC Servo Multiplexer with partial kit
The size of the multiplexer is 24.6 mm x 24.6 mm (0.97″ x 0.97″)
The mounting hole diameter is 2.18mm (0.086″)
The weight of the multiplexer is 1.6g

Specifications

Mounting Hole Diameter 2.18mm (0.086″)
Weight 1.6 g
Type RC Servo Multiplexer
MPN 2807
Brand Proto-PIC
Channel 4 Channel
Includes Partial Kit

ABOUT US

Welcome to the Hot Solder Ebay Store – an Electronic Components Supplier in Scotland and a central hub for all Educators and Makers. Your source for all things Proto-PIC, BBC Micro:Bit, Sparkfun, Pololu, Raspberry PI and Arduino. Founded in 2006, our first in-house developed product was the Proto-PIC Arduino Starter Kit. We have sold over 10,000 of these to date. We now have a full range of products that are our own concept and design.

We are one of the country’s most knowledgeable, quality-driven electronics components supplier. A passionate group of engineering, technical and industry experts. Our mission is to help our customers quickly find the electronic components they need at competitive prices either by sourcing through our suppliers or manufacturing ourselves. We are fluent with Arduino and Raspberry PI languages.

Hot Solder is proud to work with schools, colleges, universities and other educational organizations around the UK working collaboratively to develop computer science in the classroom, support professional development, provide kits and components, as well as, online training via our online Academy. We have helped educational institutions create STEM curriculum for their academic year, design a series of projects for progression and implement makerspaces and more.

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Hot Solder Limited, Unit 26, Dunnikier Business Park, Kirkcaldy, Fife, Scotland, KY1 3LW

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