how to assemble karel lower board - workshop
TRANSCRIPT
Slide 1
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!