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I am back onto my circuit building after the arrival of my little boy (he took a lot more looking after than I was expecting :p). Given I am now really short on tie I was wondering if someone would be kind enough to help me with the list of parts that I need to purchase? I am based in the UK...

I need to build a circuit for a 4 LED chaser circuit and Ive found the following schematic which apparently does exactly what I want however when I try to replicate it in Circuit Wizard it tries to light all 10 outputs of the 4017: Will the above work or can anyone suggest an alternate...

Thanks, a ribbon cable sounds perfect

I need to run some leds away from the main PCB and will need some cable to extend them to the location. Its going to be approximately 30cm in distance and the circuit will be powered by a 9v battery. The circuit will be similar to the 555 knightrider circuit and will run up to 10 leds so a...

Im not sure how I can find out which 4017 Yenga is simulating but I have switched programs to the one you recommend and it works fine so presumably the Yenga 4017 was one that only accepted 1V. Many thanks for your help.

Hi :) Very rusty with my electronics knowledge and I have been trying to recreate this circuit in Yenka but I keep getting too much voltage to the 4017 chip. 3V instead of the maximum 1V apparently. I have double checked the schematic but I cant seem to spot any obvious mistakes anywhere. Here...