Issues with Security? Fight Fire with Fire!
Flashbulb-Protected Analogue Memory Add-on For the Tamper-Evident Box

Continue reading this Elektor article?
- Unlimited access to online Member Only articles
- 3 new editions Elektor Magazine (digital)
- More than 5000 Gerber files
- 20% member discount on e-books (at elektor.com)
- 10% member discount on Products (at elektor.com)
Stops Automatically.
What is Members Only
Elektor is committed to providing high-quality content on electronics, catering to tens of thousands of paying members. As part of this commitment, Elektor has launched Premium, an initiative that offers exclusive online articles to members sometimes even before they appear in the magazine.
Every day, members can access in-depth articles that showcase the best of Elektor's premium content.
This initiative aims to reward members with early access. Once logged in, members can easily enjoy this exclusive content and engage in discussions about featured projects. While Premium adds to the existing resources available, Elektor will continue to provide a wealth of free information.
Join the Elektor community today to take advantage of Premium and other benefits!
Materials
Component list
Component List
[illustration 200647-005-94]
[illustration 200647-006-94]
Resistors (5%, 0805, 0.125 W)
R1,R2,R3 = 100 k
R4,R15 = 10 k
R5,R8, R11 = 220 Ω
R6,R14 = 1 M
R7,R10,R12 = 1 k
R9 = 330 k
R13 = 560 k
R16 = 5.1 k (5.6 k // 56 k)
Capacitors
C1 = 10 µF (1206)
C2,C3 = 2200 µF 6V3, 5 mm pitch
C4,C6,C7 = 100 nF (0805)
C5 = 47 nF (0805)
Inductors
L1 = 1 mH, 10 Ω
Semiconductors
D1,D3,D4 = 1N4148W
D2,D5,D6 = BAT54
IC1 = 74HC154D
IC2 = MAX9915
IC3 = BME280
IC4 = LM234Z-3
IC5 = LM285D-1.2
LED1,LED2 = LED, red, 0805
T1 = BC857
T2 = BSS205N
Miscellaneous
K1 = 10-way pin socket, 0.1” pitch
K2 = 2-way clamping connector, 5.08” mm pitch, Wago 236-402
SW1,SW2 = Push-button, RS282G05A3
SW3 = Slide switch, SS12SDP2
Discussion (0 comments)