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ZK-TB21 Version 5

Status: Open.

#6 In PEARLPALMS/ZK-TB21_bluetooth_remove;

· lightingman117 opened on Jan 22, 2026

More information about these BT chips

Status: Open.

#5 In PEARLPALMS/ZK-TB21_bluetooth_remove;

· nicknugget opened on Sep 27, 2025

master volume switch to turn off the power of the entire board

Status: Open.

#4 In PEARLPALMS/ZK-TB21_bluetooth_remove;

· fanyangto opened on Jun 28, 2025

not working with zk-mt21

Status: Open.

#3 In PEARLPALMS/ZK-TB21_bluetooth_remove;

· dk5ra opened on Apr 13, 2025

thanks

Status: Open.

#2 In PEARLPALMS/ZK-TB21_bluetooth_remove;

· tktq40 opened on Oct 30, 2024