purchase of 1) microcontroller board- preferable make: arduino mega 2560 features: microcontroller board based on the atmega2560 with following specihcatios: 54 digital input/output pins 16 analog inputs 4 uarts [hardware serial ports) 16 mhz crystal oscillator, a usb connection, a power jack, an icsp header a reset button. 2) dmos micro stepping driver with translator and over current protection f c q t u r c s * low rds(on) outputs, automatic current decay mode detection/selection, mixed and slow current decay modes, synchronous rectification for low power dissipation interna uvlo, crossover-current protection, 3.3 and 5 v compatible logic supply, thermal shutdown circuitry, short-to-ground protection, shorted load protection, selectable step modes: full, 1 / 2 , 1 / 4 , 1 / 8 , and 1/16 3) graphic smart controller features: sd-card reader, a rotary encoder, 128 x 64 dot matrix lcd display is needed smart, adapter to connect ramps board plug and play on the ramps. 4) raspberry pi 4 model b features: 1. hardware quad core 64-bit arm-cortex a72 running at 1.5ghz 1, 2 and 4 gigabyte lpddr4 ram options h.265 (hevc) hardware decode [up to 4kp60) h.264 hardware decode [up to 1080p60) video core vi 3d graphics supports dual hdmi display output up to 4kp60 2.2 2,interfaces 802.11 b / g / n / a c wireless lan bluetooth 5.0 with ble lx sd card, 2x micro-hdmi ports supporting dual displays up to 4kp60 resolution 2x usb2 ports, 2x usb3 ports, lx gigabit ethernet port (supports poe with add-on poe hat), lx raspberry pi camera port (2-lane mipi csi), lx raspberry pi display port (2-tane mipi dsi), 28x user gp10 supporting various interface options: - up to 6x uart - up to 6x i2c - up to 5x sp1 - lx sdio interface - lx dpi [parallel rgb display) - lx pcm - up to 2x pwm channels - up to 3x gpclk outputs 6 release 1 raspberry pi 4 model b datasheet 1 3. software armv8 instruction set mature linux software stack gpu functions using standard apis should be available 5) raspberry pi 7 touch screen display features: screen dimensions: 194mm x 110mm x 20mm (including standoffs) viewable screen size: 155mm x 86mm screen resolution 800 x 480 pixels 10 finger capacitive touch. 6) camera of raspberry -pi features: high definition camera module compatible with all raspberry pi models is needed. provides high sensitivity, low crosstalk and low noise image capture is needed pi board via the csi connector designed specifically for interfacing to cameras. the csi bus is capable of extremely high data rates, and it exclusively carries pixel data to the processor, 7) led indicator features: operating temperature [top): -55c to +70c. storage temperature (tstg): -55c to +100c. the led indicator is available in bright or black chrome reflector. the 7th digit has to be coded with 0 or 1. bright chrome = 0 black chrome = 1 8) 3d printer power module high power 210a mosfet module for 3d printer with connection cable features: based on powerful mosfet ha210n06 dimensions: 60x50mm. mounting holes: 3.2mm diameter, for m3 screws. distance between holes: 54x43mm very powerful mosfet to withstand higher current than normal ramps or other 3d printer controller can handle, voltage: 12v-24v maximum current with active cooling: 210a current: 50-80a safe for prolonged times without active cooling, 9) 1.75mm v6 hotend bowden extruder, v6 extruder ah metal j-head hotend full set, 0.5mm nozzle features: 1 piece v6 hotend with a nozzle 1 piece blue fan ductfinjection moduled pc) 4 pieces m3 screws to attach the fan to the fan duct 1 piece fan (12v) 1 piece 12v40w heater 1 piece 100k ntc thermistor 10) 3d printer 5a limit switch endstop with lm long cable features: voltage rating : 125 vac current rating :5 a dimensions in mm (lxwxh) :20xl5x6 11) power supply features: input voltage 100-240 vac, 50/60 hz output voltage 24 vdc, 2 maximum load 35w: 1.46 a 60w: 2.5 a 100w: 4.16a connection type ftying leads operating temperature -25 c to +50 c (-13 f to +122 f) 12) power supply (12v 2oa 240w dc switching switch power supply for led strip) features: ac input 110/220v 15 percent tolerance dc output - 12v with 20a max output output over voltage protection over current protection short circuit protection surge protected outputs output led indicator cooling fan is needed 13) 5 meters gt2 6mm open timing belt + 4 pes gt2 timing pulley 20 teeth 5mm bore features: colour: multi ean:7426883931195 height: 5 centimetres length : 8 centimetres manufacturer series number: gt-10018 model number :gt-10018 14) nema 17 4.2 kg-cm bipolar stepper motor for cnc robotics reprap 3d printer features: voltage : 3-6 v torque: 4.2 kg-cm step angle: 1.8 d e g / s t e p motor shaft diameter: 5 mm shaft length: 22mm motor size: 42x42x40 mm specification: nema 17 stem sku: isc 224 3 15) thermoplastic abs features: abs (acrylonitrile butadiene styrene) excellent mechanical properties: tensile modulus, impact resistance and toughness matt surface quality withstand operating temperatures up to 85c should be uv sensitive for a better print quality use an enclosure thermoplastic pla extruder temperature: 190-230 c printing speed: 50-90+ mm/s bed temperature: 60-70 c bed adhesion: blue painters tape thermoplastic tpu abrasion resistance < 0.1 mg (h18 500 cycles 1kg) none colour various none elongation at break > 500 none highest recommended working temperature 120 c none lowest recommended working temperature -50 c none shore hardness (shore a) 85 0 shore none tensile strength > 50 mpa materials polylactic acid, pla filament (l-pla natural, f= 1.75 mm; makerbotj industries, us-ny); ethyl cellulose, ec (ethoceltm std. 100 premium, dow, us-my); - hydroxy propyl cellulose, hpc (klucell lf, ashland, us-nj); hydroxypropyl methyl cellulose, hpmc (affinisoltm 15cp, dow, us-ca); hydroxypropyl methyl cellulose acetate succinct, hpmcas (aquot-lg1; shin-etsu, j); methacrylic acid copolymer eudragitl l 100-55, edr l, and eudragitl rl po, edr rl (evonik, d); polyethylene oxide, peo (sentry polyoxtm wsr n10 leo nf, colorcon, uk); polyvinyl alcohol, pva (gohsenoll eg 05pw, nippon goshei, j); polyvinyl alcohol-polyethylene glycol graft copolymer, kir (kollicoatl ir, basf, d); polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer, slp (soluplusl, basf, d); glycerol, gly (pharmagel, i); polyethylene glycols, peg 400 and peg 8000 (clariant masterbatches, i); triethyl citrate, tec (sigma aldrich, d); acetaminophen, aap (rhodia, i); furosemide, fur (metapharmaceutical, e) 16) ramps 1.4 features: supply voltage: 12v standard interfaces (as that of the extruder) . reserved gci like i2c and rs232 mosfets are applied to the heater/ fan and thermistor circuit. another 5a added to protect the component parts. an 11a fuse is added to the hotbed. support 5 stepper drive board 17) mk 2b dual power pcb heat bed with 14 awg cable features: dimensions (outer): 214 x 214 mm. dimensions (heat bed): 200 x 200 mm. come with resistor and leds soldered, basic soldering skills needed to solder the power layer, 35nm copper. copper plated holes very good in combination with rumba or taurino power power input: 12v / 24v dc 18)extruder ( mk8 extruder left hand ) features: 1. right short side mk8 extruder 2. high-quality replacement for your blocked/damaged mk8 extruder 3. material: aluminum alloy
