The article explains 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 […]
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Selectable 4 Step Low Voltage Battery Cut off Circuit
The post explains 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 […]
Bike Magneto Generator 220V Converter
The post discusses 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 […]
Simple Battery Voltage Monitor Circuits
The post describes simple battery charge monitor circuits or battery status circuits. The first design is a 4 LED voltage monitor circuit using the versatile IC LM324. The idea was […]
2 Simple School Bell Timer Circuits Explained
In this article we learn 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. […]
10 Simple LED Chaser Circuits Explained [Knight Rider, Scanner, Reverse-Forward, Cascaded]
The article discusses the construction of 10 interesting yet simple LED chaser circuits, which not only create beautiful running light effect but are also easy to build. We also discuss […]