ran across this schematic and thinking of incorporating into my next sign PCB.
QUESTION maybe a 1K resistor before the gate to protect the gate?
Planning on using a smd pot
ran across this schematic and thinking of incorporating into my next sign PCB.
QUESTION maybe a 1K resistor before the gate to protect the gate?
Planning on using a smd pot
after some research, the most the mosfet will have to handle is approx 5 watts.
The pot will be hard wired to the PCB. The company selling the LED/neon rope lights has a dimmer that can be used. Will consider
after some research, the most the mosfet will have to handle is approx 5 watts.
The pot will be hard wired to the PCB. The company selling the LED/neon rope lights has a dimmer that can be used. Will consider
You can use a PWM circuit to drive a power FET high (P)ch) or low side (Nch) such as a LM555 PWM with a pot. Then it will be efficient. Choose f = 1k to 5 kHz or buy a proper remote control controller with LEDs is best.
FWIW, the 28-pin 18F2221 has two CCP/PWM peripherals... CCP1 and CCP2.
CCP1 output is on pin RC2, and CCP2 output can be either RC1 or RB3 depending on the CONFIG CCP2MX setting.