The following useful circuit of a TV antenna amplifier was sent to me by an avid reader of this blog Mr. Miljenko Farkas. I am extremely grateful to him for his kind contribution to this site. Here’s what he wrote in his email: Overview So this antenna amplifier is made to really enhance how well […]
Newly Updated Circuit Projects:
Furnace Vent Controller Circuit Diagram
This interesting furnace vent controller circuit was designed and submitted to me for publication by a dedicated reader of this blog and a keen electronic enthusiast Mr. August Peterson. I am extremely thankful to Mr. August for his very useful and generous contribution to this site. Here’s the email sent by him, with the technical […]
1 watt LED Lamp Circuit Diagram using SMD LEDs
The post comprehensively discusses the construction procedure of a 1 watt LED lamp using SMD LEDs such as 3528 smd LEDs or 2214 SMD LEDs. I have explained the details. 1 Watt LED vs 3528 smd LEDs or 2214 SMD LEDs Today 1 watt LEDs are very popular and these are utilized in most LED lamp […]
1 to 10 minutes Timer Circuit Diagram
The post narrates a simple yet highly accurate adjustable 1 to 10 minute timer circuit with display. The idea was requested by one of the dedicated readers of this blog. Technical Specifications I am trying to build a circuit to help me with giving speeches. I have a bunch of parts already and I would […]
1 Hz to 1 MHz Frequency Reference Generator Circuit Diagram
This circuit is an universal frequency generator which you can use in numerous frequency and time period testing applications. It is primarily well suited for a gate pulse generator in frequency counters. The circuit is capable of generating an entire range of reference frequencies such as 1 Hz, 5 Hz, 10 Hz, 50 Hz, 100 […]
0.6V to 6V/12V Boost Converter Circuit Diagram
In this post I have explained how to make a 0.6V to 6V or 12V boost converter circuit using a single chip MC74VHC1G14, which uses under 1V to operate. About the IC MC74VHC1G14 Normally, we all know that a silicon transistor would find it difficult functioning below 0.7V, unlike germanium counterparts which are capable of doing it […]