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How to Assemble Karel Lower Board - WorkshopAgape Cristina-MariaFirulescu Georgiana-MdlinaPalatul Copiilor Dr. Tr. Severin Filiala Orsova

KAREL, Comenius Project MeetingRybnik, 22 29.03.2015

KAREL

This project has been funded with support from the European Commission.This communication reflects the views only of the authors, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

The Purpose of the WorkshopAssembling line detector components on Karel Lower PCBTesting & Debugging line detector

Karel Lower BoardPrinted Circuit AssemblySingle sided PCBMixed THD and SMD3 ModulesBattery (2s LiPo) Protection CircuitBattery ChargerLine Detector (4 sensors)Complex

Karel Lower Board3D Bottom View

Karel Lower BoardCopper & Silkscreen Top View

Line Detector Schematic

Schematic

KAREL

Line Detector BoM (Bill of Materials) Copper & Silkscreen Drawings

OS1-4 = KTIR0711s optical sensorsR39-42 = 18 kOhmsR43-44 = 100 OhmsC15-18 = 220 pFC14 = C19 = 1uF

What do we need?

Kit componentsTools & Materials

Kit, Tools, and Materials

Tools & Materials

Check the kitDont loose small SMDs!PCB 1 pcSMD componentsKTIR0711s optical sensors 4 pcsResistors18 kOhms (183) 4 pcs110 Ohms (111) 2 pcsCapacitors220 pF 4 pcs1uF 2 pcsConnectors (wires, contacts, and plugs)Drawings (Schematic & Silkscreen)

Put flux onto the PCB

Put the component in place with right orientation

Solder first terminal & visual check

Solder all terminals & visual check

Next component

Next component

Soldering a sensor

Next component

Next component

and so on

FBI test - Find the differences between the two images?

Testing & DebuggingSupply the detector with +5V voltageUse a multimeter to check the voltage variation of each output for different distances between sensor and reflective material

Q&A Session

Good Luck!