- an 2025-08-18 in (IC Chips)
- What is Hartley Oscillator Step-by-Step Build Guide
- A basic Hartley oscillator is a type of electronic oscillator that produces a continuous sinusoidal wave. You often find a Hartley oscillator used in radio transmitters and receivers because it genera
- Learn more >
- an 2017-06-20 in (IC Chips)
- PWM lamp dimmer using NE555
- A simple and efficient PWM lamp dimmer using timer IC NE555 is discussed in this article. Yesterdays linear regulator based dimmers can only attain a maximum efficiency of 50% and are far inferi
- Learn more >
- an 2025-05-24 in (IC Chips)
- Why Every System Needs a Watchdog Timer for Reliability
- Imagine a system crashing unexpectedly during a critical operation. Such failures can lead to downtime, data loss, or even safety risks. Watchdog timers act as your system's safety net. They monitor o
- Learn more >
- an 2016-08-05 in (IC Chips)
- 12V battery level indicator circuit (LED bargraph)
- The heart of this circuit is the LM3914 from Texas Instruments (formerly National Semiconductor). The LM3914 can sense voltage levels and drive a display of 10 LEDs in dot mode or bar mode. The bar mo
- Learn more >
