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Support > Frequently Asked Questions > How many volts can the SLCD43 reset line take? We want to hold the reset line at 5 volts high, and set it low to reset, but weren’t sure if the board could handle it.

How many volts can the SLCD43 reset line take? We want to hold the reset line at 5 volts high, and set it low to reset, but weren’t sure if the board could handle it.

The RESET input is driven high (to 3.3v) by the onboard reset controller. You can drive it low through an open-collector circuit to reset the board, but you should not drive it high. If you need to, use the voltage present on J1 pin 1.