|
|
|
Issue 178
|
<< Issue 177 | Issue 179 >>
|
|
Circuit Notebook
8 Jul, 2003
(1)Infared Remote Receiver Has Four Outputs;(2) Wide-Range Inductance Meter;(3) Simple Circuit Charges Up To 12 Nidcads; (4)Simple Knock Alarm With Piezo Sensor; (5) Gym agility Stratergy Game; (6)Adding A 100V Line Transformer To The SC480 Amplifier Module.
|
|
A Programmable Continuity Tester
15 Jul, 2003
Easy-to-build unit lets you set the continuity "pass" threshold to anywhere between 1Ω and 100Ω. It makes an Ideal go/no-go tester.
|
|
RFID Tags - How They Work
17 Jul, 2003
RF ID tags are set to replace barcode labelling systems and could even be used to identify people. Here's how they work.
|
|
A 'Smart' Slave Flash Trigger
18 Jul, 2003
Does your camera's flash operate in red-eye reduction (multiple flash) mode only? This clever unit counts the number of "pre-flashes" before triggering a slave flash unit.
|
Serviceman's Log - 5 Jul, 2003 Mailbag - 10 Jul, 2003 Ask Silicon Chip - 15 Jul, 2003
|
|
|
|
|
|