A Taser circuit also known as Stun Gun circuit is one non-lethal electric shock producing unit used to paralyze a person for a time being without causing any severe damage […]
Search Results for: cellphone
Cell Phone Triggered Night Lamp Circuit
Feeling difficult to grope for a light switch in deep sleep when someone calls you at night? Then may be this cellphone triggered RF night lamp circuit can solve your […]
Ultraviolet (UV) Sanitizer Circuit for Disinfecting Home Materials
The post explains the making of a simple, cheap yet effective ultraviolet or UV-C home sanitizer circuit using ultra violet rays or UV-C. The idea was requested by Mr. Shah […]
DTMF based FM Remote Control Circuit
The post discusses a DTM based FM remote control circuit which can be used for controlling 4 individual appliances remotely by pressing four corresponding buttons on the DTMF transmitter handset. […]
5V 3 Amp Fixed Voltage Regulator Circuit using IC LM123
The article explains the main specifications, datasheet and circuit application notes of the IC LM123, LM323 which are precision 5V, 3 amp fixed voltage regulator IC. These ICs can be […]
How to Connect 5mm LEDs to a 3.7V Li-Ion Cell
The article explains regarding how to connect and illuminate a few 5mm LEDs using a 3.7V Li-Ion cell, normally used in cell phones. I keep receiving requests from the readers […]