Lux Meter
Gerber file
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
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Components
The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
Want to learn more about our BOM list? Read the BOM list article for extra information.
Component list
Resistors
Default ratings: 1%, 0.1W, SMD0603
R1 = 200kOhm
R2 = 2kOhm
R3 = 3.9kOhm
R4,R5,R6,R8,R10,R13 = 10kOhm
R7 = 82kOhm
R9 = 33kOhm
R11 = 47kOhm 5%
R12 = 33Ohm 5%, 0.2W
R14,R15 = 220Ohm 5%, 0.2 W
P1 = 10kOhm 20% trimpot, SMD, Vishay TS53YJ103MR10
Capacitors
Default ratings: 10%, 10V, SMD0603
C1 = 1nF 5% 50V, C0G/NP0
C2 = 3.3µF 20V, SMD case A, tantalum
C3,C5 = 470nF
C4,C13 = 4.7µF 20V, SMD case A, tantalum
C6,C12 = 10µF, SMD Case A, tantalum
C7,C14 = 10nF 50V
C8,C9 = 22pF 50V, C0G/NP0
C10,C11 = 100nF 25V
Inductors
L1 = 10µH 20%, 250mA, 1.05Ohm, SMD 0603
Semiconductors
D1 = BPW21R, TO-5
D2 = TS4148 RY, SMD 0805
D3 = PMEG2010AEH, SMD SOD-123F
T1 = IRLML6402PBF, SMD SOT-23
T2 = BC848B, SMD SOT-23
T3 = 2N7002, SMD SOT-23
IC1 = ATmega328P-AU, programmed, SMD TQFP 32A
IC2 = MCP3421A0T-E/CH, SMD SOT-23-6
IC3 = MCP6061T-E/OT, SMD SOT-23-5
IC4 = LP2951-50D, SMD SO-8
Miscellaneous
K1 = 6-pin (2x3) pinheader, 0.1’’ pitch
BT1,JP1,JP2,K2 = 2-pin pinheader, 0.1’’ pitch (K2 optional)
JP3 = 2-pin pinheader, 0.1’’ pitch, right angled
K3 = 5-pin pinheader, 0.1’’ pitch, right angled
JP1,JP2,JP3 = jumper, 0.1’’ pitch
S1 = pushbutton, 6x6 mm, vertical, make contact
BT1 = 9-V-battery clip with wires, optionally with receptacles for pinheader pins
RE1 = relay, bistabile, 2 contacts, coil 4.5V / 202.5Ohm, 1A/110VDC contacts (Panasonic AGN2104H)
X1 = 10.24MHz quartz crystal, 18pF, HC-49/4H
LCD1 = LCD module, 2x8 characters, backlit, 58x32 mm, TC0802B-01YA0 (Elektor Store # 120061-75)
PCB # 130109-1
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