Mounting And Connection - Velleman K4021 Bedienungsanleitung

- R9 and R10, 120 ohms (brown, red, brown)
- R11, 220 ohms (red, red, brown)
- R12, 390 ohms (orange, white, brown)
- R13, 15K (brown, green, orange)
Mount the following LEDs on this print:
(See also note above)
- LED 13 to LED 24, YELLOW LEDs
- LED 1 to LED 12, GREEN LEDs
- LED 25 to LED 28, YELLOW LEDs
Mount the following resistors on the other print:
- R1, 1K5 (brown, green, red)
- R2, 330 ohms (orange, orange, brown)
- R3, 270 ohms (red, purple, brown)
- R4 and R10, 820 ohms (grey, red, brown)
- R5 and R11, 680 ohms (blue, grey, brown)
- R6, 560 ohms (green, blue, brown)
- R7, 470 ohms (yellow, purple, brown)
- R8 and R9, 1K (brown, black, red)
- R12, 1K2 (brown, red, red)
- R13, 5K6 (green, blue, red)
Mount the following LEDs on this print:
(See also note above)
- LED 13 to LED 24, YELLOW LEDs
- LED 1 to LED 10, GREEN LEDs
- LED 11 and LED 12, RED LEDs
- LED 25 to LED 28, YELLOW LEDs
Mount the print pins for LF, -V, GND and +V on the SOLDERING
side. On both prints mount the ICs in their sockets:
IC1, type LF357 with its notch in the direction of the LEDs.
IC2 to IC4, type LM339 with their notches towardts the LEDs.

MOUNTING AND CONNECTION

H4021-ED1-17