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pulse width output
Blade Number: 4
You can use it to connect some serial device to your PC via USB port
This module can be used for making colour sorting robots
After applying Eneloop Pro batteries
LM324 Quadruple Operational Amplifier TTGO ESP32 Display pulse width outputIntroduction : LM324 Quadruple Operational Amplifier from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. Features : Wide gain bandwidth: 1. 3 MHz Input common mode voltage range includes ground Large voltage gain: 100 dB Very low supply current amplifier: 375 A Low input bias current: 20 nA Low input voltage: 3 mV max Low input offset current: 2 nA Wide power
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