Tag Archives: elektronika

3D Printer: ANYCUBIC I3 MEGA

Anycubic I3 Mega Dimenzije Printera: 405mm*410mm*453mm Dimenzije radne površine: 210mm*210mm*205mm Brzina printanja: 20-100mm/s Rezolucija sloja: 0.05-0.3mm (ovisno koju diznu koristite) Preciznost po X-osi: 0.0125mm Preciznost po Y-osi: 0.0125mm Preciznost po Z-osi: 0.002mm Ekstruder: Bowden sa 0.4mm diznom Hotbed: ANYCUBIC Ultrabase Maksimalna temp. Ekstrudera: Maksimalno 260°C

Jednostavni Termostat sa dva tranzistora

  Parts List: Part Description Radio Shack # DigiKey # Notes R1  1K resistor  brown black red gold R2  1K, NTC R3  10K resistor  black brown orange gold P1  10K trim pot  bourns, multi-turn D1  Led, red  Light Emitting Diode D2  1N4148 diode  276-1101  1N4148DICT-ND

Regulator struje (Booster)

Volt regulators such as the LM708, and LM317 series (and others) sometimes need to provide a little bit more current then they actually can handle. If that is the case, this little circuit can help out. A power transistor such as the 2N3772 or similar

Relej aktiviran tamom

Popis dijelova: Otpornici su 1/4 Watt, 5% R1, R3 = 1K5 R2 = 6K8 R4 = 3K3 Rx = 1K-10K (vidi tekst. Sam 3K3) P1 = 20K, trimer pot LDR1 = Optokopler Q1, Q2 = PN200, 2N3906, NTE159, 2N4403, itd. Q3 = 2N3053, 2N2219, 2N699,

PWM s NAND Schmitt Triggerom

Pulse width modulator Popis dijelova: R1 = 330 oma R2 = 1 MegaOhm P1 = 100K potenciometar (Lin) C1 = 0.1uF, (100nF) keramike C2 = 0.01uF, (10nF) keramike C3 = 0.01uF, (10nF) keramike D1 = 1N4004 (ili Schottky) Led = Vaš izbor Q1 = IRF513,

PWM s 555 timer/oscilatorom

Pulse width modulator Popis dijelova: R1 = 1K R2 = 47 Ohm P1 = 50K potenciometar C1 = 0.1uF, (100nF), keramike C2 = 0.01uF, (10nF) keramike C3 = 470uF, 25V, elektrolita D1, D2 = 1N4148, opće namjene signalne diode D3 = MBR1645, NTE6081, ili slično.

PWM s ograničavanjem struje

Variable Frequency Pulse width modulator Popis dijelova: R1,R6,R11 = 10K C1 = 1000uF, 64V R2,R9 = 1K8 C2 = 10nF, polyester R3 = 100 ohm C3 = 100uF, 64V R4,R8 = 1K C4 = 22nF R5 = 22K C5 = 47uF, 35V R7 = 1M *R10

Precizno napajanje 0-40V, 0-2A

Precizno napajanje 0-40V, 0-2A Popis dijelova : Otpornici : Svi su otpornici 1/4W , osim ako nije drugačije naznačeno R1 = 1K2 RV1 , RV2 = 5K R2 = 7K5 RV3 = 500 oma R3 = 15k RV4 = 100K R4 = 160 Ohm P1

DC/AC Inverter (NE555)

DC/AC Inverter (NE555) Popis dijelova: R1 = 10K R2 = 100K R3 = 100 oma R4 = 50K potenciometar, Linearni C1, C2 = 0.1uF C3 = 0.01uF C4 = 2700uF Q1 = TIP41A, NPN, ili ekvivalent tranzistora Q2 = TIP42A, PNP, ili ekvivalent tranzistora L1

Relej s odgodom paljenja

Relej s odgodom paljenja Popis dijelova: R1, R3 = 10K R2 = 680K (vidi tekst) R4, R5 = 6K8 Q1 = 2N3906, ili ekvivalent IC1 = CD4001, ili ekvivalent CMOS D1, D2, D3 = 1N4001, ili ekvivalent C1 = vidi tekst Ry = Relay, 12V