![led - Why my hex inverter chips (all three of them) are not producing a HIGH output with low input? - Electrical Engineering Stack Exchange led - Why my hex inverter chips (all three of them) are not producing a HIGH output with low input? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/pDLPj.png)
led - Why my hex inverter chips (all three of them) are not producing a HIGH output with low input? - Electrical Engineering Stack Exchange
![open collector - What's the difference between a 74LS05 hex inverter and a 74LS04 hex inverter? - Electrical Engineering Stack Exchange open collector - What's the difference between a 74LS05 hex inverter and a 74LS04 hex inverter? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/nt3hw.jpg)
open collector - What's the difference between a 74LS05 hex inverter and a 74LS04 hex inverter? - Electrical Engineering Stack Exchange
![Bonus video intro to 74HC04 Hex inverter and making a dual NOT gate electronics H bridge circuit - YouTube Bonus video intro to 74HC04 Hex inverter and making a dual NOT gate electronics H bridge circuit - YouTube](https://i.ytimg.com/vi/3srp16_uxb0/maxresdefault.jpg)