Here is the simple low noise filter circuit for any FSK signals that weak and have noise. This use few parts so easy and cheap. Fig 1: The schematic of this project As Figure 1 is the schematic diagram. This circuit include the low filter circuit through R1 and C2, the frequency cut off at […]
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Today, let’s look at 2 model of traffic light circuits. They use the LEDs for display and the digital circuit as based. This circuit include IC-4027,CD4017,IC-555 and a few parts so easy and cheap. First model circuit. This circuit is designed in first. We use many circuit to mix together. As circuit in Figure 1 […]
Here is the datasheet of the CD4027BC dual J-K flip-flops are monolithic complementary MOS (CMOS) integrated circuits constructed with N- and P-channel enhancement mode transistors. Each flip-flop has independent J, K, set, reset, and clock inputs and buffered Q and Q outputs. These flip-flops are edge sensitive to the clock input and change state on […]
Sometimes I can not buy electronic devices. Because, far from an electronics store. No products you want, or expensive. I always use the online order. I envy my friends who live in America. That they can order electronics from amazon.com. There are a lot of items. Very cheap, fast delivery and free. But now, I […]
- This is a simplest slave flash trigger circuit. – It will help the slave flash immediately works almost simultaneously with the main flash. – This circuit better than others circuits because without the external power supply. – Since (look at circuit below) use the solar cell get light from the main flash. – The […]