In this article I have explained how to make a simple RF remote control circuit using ready-made RF 433MHz and 315MHZ RF modules, and without incorporating microcontroler ICs. With the easy availability of RF modules today making an RF remote control has become a childs play. It’s all about procuring the RF modules ready made […]
Newly Updated Circuit Projects:
Selectable 4 Step Low Voltage Battery Cut off Circuit
In this post I have explained a circuit configuration which facilitates a multi-step low voltage selection and cut-off for the battery being used and monitored. The circuit was proposed by Mr. Pete. Technical Specifications Dear Swagatam,Your assistance during the past few days has been incredible, thanks to which I think I have managed to get close to […]
Bike Magneto Generator 220V Converter
In this post I have explained a circuit design which converts a generator low voltage output into 220V DC and produces sequencing light illuminations across many bulbs in response to increasing voltage from the generator. The idea was requested by Mr. Ken. Technical Specifications I am a student from Singapore polytechnic. I know you’re a […]
Battery Voltage Monitor Circuits using LM324 and LM3915 ICs
The post describes simple battery charge monitor circuits or battery status indicator circuits using 4 LEDs to 10 LEDs, and using ICs like LM324 and LM3915. The first design is a 4 LED voltage monitor circuit using the versatile IC LM324. The idea was requested by Ms. Piyali. Technical Specifications I’ve a project, if you […]
2 Simple School Bell Timer Circuits Explained
In this article I have explained two very useful school bell timer circuits which can be used for ringing school bell automatically for each period as per the set time duration. The first circuit is designed using a handful of IC 4060, and the second circuit concept is configured around the IC 4017. I have […]
LED Chaser Circuits: 10 LED Running Light Designs Discussed
In this article I have compiled 10 interesting yet simple LED chaser circuits, which not only create beautiful running light effect but are also easy to build. These primarily incorporate LEDs as well as mains operated bulbs through triacs. The proposed circuit is transformerless and is thus a lot compact and light weight. Which LED […]